The bubbles produce strong, stable voids with low thermal conductivity, helping the coating achieve the necessary compressive strength. A bubble is a globule of a gas substance in a liquid. Glass Bubbles K20 are engineered hollow glass spheres made from water-resistant and chemically-stable soda. 300/hr. 2. 3M glass bubble breakage may occur if the product is improperly processed. Provides immediate and long-term moisture. 99. Surprisingly, defects in a glass will influence beer and champagne differently, with more bubbles forming in beer compared with champagne when larger imperfections are present, the researchers say. 1- Increasing the melting temperature so that the viscosity decreases which in turn facilitates the bubble removal. High-strength, low-density hollow glass microspheres made from soda-lime borosilicate glass. These hollow glass. 99. Bubble Number: The bubble chandelier with 12 glass bubbles. This physical transformation makes expanded perlite an extremely efficient, low. When purchased online. 3. They are nonporous, chemically stable and virtually insoluble in water or oil. That means less moisture can form on. ADS. To minimize breakage, avoid high shear processes such as high speed Cowles Dissolvers, point contact shear such as gear pumps or 3-roll mills, and processing pressures above the strength test pressure for each product. High melt viscosity materials in high pressure Glass Bubble Survival During Twin Screw Compounding (PDF, 576 KB) “Plug-N-Play” Weight Reduction Solution by Hollow Glass Microspheres (PDF, 882 KB) Benefits & Processing Behavior of Glass Bubbles in Polymer Wood Composites (PDF, 397 KB) The use of 3M™ Glass Bubbles to increase time until condensation forms on painted surfaces (PDF, 667 KB) Glass bubble breakage may occur if the product is improperly processed. champagne glass bubble. Blown glass artisans began to shift away from functionality in the 1960s. "Find many varieties of an authentic piece of bubble glass available at 1stDibs. Changes in their composition with time, e. An icon. The diameter of the bubbles ranges from 10 to 100 µm, with a large population of bubbles of smaller sizes. Based on the published literature record, this document provides an overview of the research and development of glass bubbles bulk-fill thermal insulation systems for cryogenic equipment in general and, in particular, for large-scale cryogenic liquid hydrogen (LH2) storage spheres. 46 g/cc and an excellent isostatic crush strength of 16,000 psi, providing an additive with a superior strength-to-density ratio for use in injection molding extrusion and sheet molding compounds. The site is inclusive of artists and content creators from all genres and allows them to monetize their content while developing authentic relationships with their fanbase. Buy glass bubblers for less. To minimize breakage, avoid high shear processes such as high speed Cowles Dissolvers, point contact shear such as gear pumps or 3-roll mills, and processing pressures above the strength test pressure for each product. The K42HS glass bubble is a versatile product used in a number of industries – wherever low density additives with intermediate crush strength are required. Quick view. Typically, a transfer system uses 3-in (76mm) components. Bubble Glass: A short explanation: Bubbles can occur in glass either because the glass-maker intends it, as part of the design, or because the techniques used were so crude that bubbles remain, as sometimes found in very old glass or in the work of novice glassmakers. 00. Gas bubblers are used to exclude air from a reaction or a. wine glass. In this study, hollow glass bubbles (HGBs) of about 70 μm with through-holes of about 5 μm were successfully separated from a commercialized product and were used as targets to be sealed/covered by sheets of size about 24 μm. These K-20 series bubbles are actually hollow glass spheres. These glass bubbles are designed for buoyancy and insulation in ultra-deep water applications in oil and gas drilling. When incorporated into organic coatings, glass bubbles offer several advantages. Credits and distribution permission. 99 $ 9. Historical Summary. Bubble glass: an age-old technique in glass esthetics. Light Blue bubbles mixed blown glass silver pendants. 3M™ Glass Bubbles K20HS are hollow microspheres made of soda-lime borosilicate glass with a true density of 0. Add to Favorites Aqua blue Double Sided Earrings,brush print Stud earring,bubble earring,glass bubble earring,Ear Jacket,candy ball stud earring (1. Glass bubbles are finely scattered, free-flowing fine particles with an average diameter of 15-65µm, and consists of thin-walled, sphere-shaped glass particles (0. Wysłocki 6, Katarzyna Błoch 6 and Marcin. Jerome Baker Designs Mothership Glass Bubble Base Bong. $7999 ($40. Mix the bubble paint with either palette knife or brush, continue to add a drop or two and mix until you have the thickness of cream. 3M™ Glass. Select options. Hand Blown Glass and Sterling Silver Small Geometric Pendant. Glass bubble collapse strength is a function of their diameter and wall thickness according to the following theoretical equation. Mar 10, 2020, 7:00 AM PDT. They were first developed in the 1960s, as an extension after the production of solid glass beads. Information on glass bubble handling can be found on pages 6-7. Located in historic Ohio City, we offer beauty, Morty the Rooster, and a unique. Pumping guideline: The glass bubble selected must have enough strength to survive the pump’s maximum hydrostatic pressure. $1299 ($0. 99. 60 g/cc and an isostatic crush strength of 6,000 psi. Glass bubble breakage may occur if the product is improperly processed. Glass Bubbles. Minimalist Bubble Earrings, Glass Bubble Hoop Earring, Hollow Glass Ball, Clear Glass Ball, 14K Gold plated Small Hoop Earring, Gift for Her Lisabeth Bennett. 6 out of 5 stars 1,360. There are 7 Bubbles with Basecamp Terlingua: 2 One Room Bubbles (Bubbles 1 & Bubbles 2), the Two Room Bubble (Bubble X) , 2 Deluxe Two Room Bubbles (Bubbles X2, X3 & X4) and the Two Room Bubble Plus Pool (Bubble X5) . That’s been a puzzling question until now, as a team of mathematicians from the University of Limerick has shown that the sinking bubbles result from the shape of a pint glass, which. Add to Favorites Sterling Silver and Cubic Zirconia Bubble Pendant (38) $ 102. ) Property 3M™ Glass Bubbles S38 Crush strength, 80% survival by volume (psi) 4,000 True density (g/cc) 0. Crafted from glass and metal, this modern 6- light clear glass bubble semi-flush mount features several clear glass globes while the bulbs are hidden in it to finish its look. 99. These general purpose spheres have a good strength-to-density ratio and are designed for use in a variety of intermediate depth (e. screen protection film made of high-quality tempered glass. 99. He leads a team focused on finding new automotive application solutions with 3M™ Glass Bubbles. Great for minor surface repairs. Remember to mix only what you will use at that time and discard. 6k) $5. from £178. In total, a glass of beer of this volume would generate between 200,000 and 2. With Q Cells, you can easily make your own fairing. $6599. 125 g/cc) and an isostatic crush strength of 250 psi. LA Pipes Color Raked Fumed Sherlock Bubbler Pipe. It will be the new composite materials at twenty-first century. Blown glass may not have bubbles. They can reduce final part weight by 15% or more without compromising the mechanical. 3M™ Glass Bubbles K1 are hollow glass microspheres that are ideal for a number of applications including – shallow (e. CYS EXCEL Glass Bubble Bowl (H-6" W-8", Approx. Advanced Materials. It utilizes renewable energy sources and employs advanced filtration systems to reduce pollutants. About this item 【Designed for iPhone 11:Designed for iPhone 11 Screen Protector. blown glass bubbles. Coat the Q-tip or cotton swab with a thin layer of oil. com FREE DELIVERY possible on eligible purchases1. The solution: 3M Glass Bubbles. PRODUCT CONFIGURATION: glass cups set includes 4 Wide Mouth Mason Jar 24 OZ,4 nature bamboo lids, 4 reusable stainless steel straws, 2 white Lids with hole, 2 airtight white Lids with seal silicone and 2 cleaning brushes, Classic design, Very practical combination suit. 50. Thousands of new, high-quality pictures added every day. slide 1 to 3 of 3. 99 (25% off) Hand Blown Hollow Glass bubbles 20mm color soft color shifting purple beads. The extracted glass bubbles are then dried and preserved for weighing andPay $74. The wrinkles emerged in an isolated annular region near the. High-speed photography then showed the bubbles getting bigger as they rose, capturing even more CO2 from the beer. Options: 2 sizes. Additionally, the hollow glass bubbles lead to reduced warpage, improved scratch resistance, reduced cycle times in injection moulding – all whilst maintaining a decent level of mechanical. An icon of a circle with a diagonal line across. Just the utterance of the word conjures slow-motion images of exhaling huge clouds and memories of laughter and good times with even better friends. From $116. To minimize breakage, avoid high shear processes such as high speed Cowles Dissolvers, point contact shear such as gear pumps or 3-roll mills, and processing pressures above the strength test pressure for each product. The newest member of 3M’s high-strength hollow glass bubbles product line, provides a unique, low-loss high speed high frequency (HSHF) resin additive for composite materials that designers use to build 5G devices and assemblies. Place the glass bubble in an annealing oven to cool it slowly and evenly. Logan 3 - Light Dimmable Sphere Chandelier. Click here to see more detailed information about each Bubble and an. Add to Favorites. 3M™ Glass Bubbles K25 glass bubbles have a density of 0. up to 2,000 feet of sea water) water flotation devices and lightweight wall repair compound. glass beads. Measure 6 cups of water into your container. 99 ($7. This product has a density of 0. No Suck Bubble Pipe (via Twodaloo) This is a new twist on. When the bubbles reach the top and crowd at the head, some liquid gets pushed to the sides, which in turn pushes down the bubbles sticking to the wall. 3M S60 Glass Bubbles Categories: Ceramic; Glass. $ 15. Sale. “Glass bubbles by. An icon of a desk calendar. Hold your plastic card at an angle over the center of the screen. 00 $ 69. 2012YQ230043], the Science and Technology Program of Guangzhou, China [Grant No. Glass Bubble Project, Cleveland, Ohio. The object is to get some of the oil under the screen protector. 03 0. 99 ($1. Glass bubble breakage: Breakage may occur if the product is severely processed. These glass bubbles can be used in a variety of applications including oil and gas drilling and tooling board. php:50. woman in glass bubble. 00. 46 g/cc and an excellent isostatic crush strength of 16,000 psi, providing an additive with a superior. Find Glass Bubbles stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. And if its because the larger size of the sight glass lets some of the liquid flash, why then dont I always see it. Learn how these lightweight, high-strength additives can improve the performance, durability and sustainability of your products, from automotive to aerospace, from construction to. choose color. Add cornstarch to make the bubbles strong. 5 Pcs Glass Bubble Beads for Jewelry Making, Clear Hollow Globes, Spiral Brown Black Stripe, Hand Blown, 10mm 11mm 12mm & 14mm, Two Hole 1mm. 29. Glass. Bubble number - The bubble chandelier with 20 glass bubbles; Bulb Requirements- It comes with six E26 base led bulbs (brightness adjustable), casting a warm and soft light up to 6W (per bulb). Its shape makes for the perfect fishbowl or terrarium. A person who blows glass is called a glassblower, glassmith, or gaffer. Glass bubbles are finely dispersed, free-flowing powders consisting of thin-walled (0. Add to cart. These general purpose glass bubbles are a reliable, light-weight additive used in a variety of industries and applications, including sporting goods. Materials. Its versatile design also makes an excellent piece that can be used for a lavish fish aquarium, creative plant terrarium, or adapted to fit a stunning wedding centerpiece. Glass Bubbles K20 are engineered hollow glass spheres made from water-resistant and chemically-stable soda. In the opposite case, a globule of a liquid in a gas, is called a drop. Briar smoking pipe, greek briar, hand made, freehand cut. Gentle stirring of the water will help degas the water. g up to 2,000 feet of sea water) buoyancy applications, as well as emulsion explosives. Apply gentle pressure and push the card from the center of the screen to the outer edges. Select options. 3M Glass Bubbles. The history of glass blowing starts in Syria, where the technique of blowing into molten glass was invented. 999 products. 3/4 Gal. Continuous bubbles at 1500 RPM, RECIRC, doors open, at ambient temps above 80F usually indicate low refrigerant. 100+ bought in past month. 006 Maximum quantity per 100 cm3 10 4 2 Tab. 02 0. 11 $ 65. Add smaller quantities to resin make a sandable 'primer' or in higher quantities, combined with fumed silica, to make a lightweight filler. Choose options. 3M™ Glass Bubbles iM16K will change the way you think about plastic parts. Add to Favorites 5pcs TINY BUBBLE PIPES Vintage Scary Faces Plastic Monsters Soap Pipe Novelties Lot (30. 99 $ 45. 99. 40 0. 13Lt 5Lt Only -5 in stock Add to cart On Sale. We would like to show you a description here but the site won’t allow us. Glassblowing is a glassforming technique that involves inflating molten glass into a bubble (or parison) with the aid of a blowpipe (or blow tube). 99. Add to Favorites Mini Bubble ball beads 1-3mm mixed tiny beads for epoxy resin molds nail art glass globe filler 4 colors choose (10. This is a DIY light that I made myself, and I did that for two reasons. comAbout this item 【Designed for iPhone 11 pro:Designed for iPhone 11 pro Screen Protector. White. 00 $1,042. Hollow glass microspheres. 3M Stock. To minimize breakage, avoid high shear processes such as high speed Cowles Dissolvers, point contact shear such as gear pumps or 3-roll mills, and processing pressures above the strength test pressure for each product. Put simply, depending on the grade and quantity used, adding glass bubbles to a resin system produces lower thermal conductivity from the air to the wall. increasing CO 2 content, often indicated their long dwell time in the glass melt [25]. List: $69. 37 Packing factor (bulk density to true particle density) 60% pH (at 5 wt% loading in water) 9. glass bubble materials, which represents a possibility for faster cycle times. 3M™ Glass Bubbles S32. 6k) $ 1. 3M™ Glass Bubbles iM16K will change the way you think about plastic parts. 3M™ Glass Bubbles VS5500 glass bubbles have a true density of 0. Financial markets are headed for a "huge crash," the bearish hedge fund manager Mark Spitznagel says. Smile more. They are nonporous, chemically stable and virtually insoluble in water or oil. The sodium silicate (Na 2 SiO 3) and sodium hydroxide (NaOH) were mixed before being added to the fly ash, aggregates, and glass bubble for another 10 min. the different size design the glass bubble lampshade makes the light refract fantasy lighting effects. Add to Favorites. Options: 2 sizes. Advanced Materials. 5%, 5. The low thermal conductivity of 3M glass bubbles makes them ideal for cryogenic insulation. Scotchlite glass beads are made of borosilicate glass with low alkali content, so they can be mixed with cement. Light Blue bubbles mixed blown glass silver pendants. For over 25 years, The Glass Bubble Project has been a premier Cleveland glassblowing studio. When used in paint formulations, S32 can help reduce burnish and distortions. Oxygen bubbles may be generated by electrolytic conduction. The research and development for the use of glass bubbles bulk-fill material as part of a cryogenic tank insulation system began in the early 1970s by Dr. First, use any kind of liquid soap as your base. Product Color. 5-1. Add to Favorites. Introducing Q Cell, the perfect solution for creating light-weight, sandable fairing compounds. Reduce your boil-off rate, increase your tank capacity, lower your operating expenses, and. We have dozens of high-quality glass bubbler pipes available at low prices. The resultant glass bubbles are chemically. com: LEMONSODA Crystal Bubble Base Whiskey Glass Tumbler - Set of 4 - Thick Weighted Bottom - Unique Design - Great for Scotch Whiskey, Old Fashion, Manhattan, Bourbon & Cocktails : ElectronicsTap water contains atmospheric gases, such as nitrogen and oxygen, dissolved in it. header-hamburger. To minimize breakage, avoid high shear processes such as high speed Cowles Dissolvers, point contact shear such as gear pumps or 3-roll mills, and processing pressures above the strength test pressure for each product. Light Blue bubbles mixed blown glass silver pendants. This product has a density of 0. Whether you’re going for playful or dramatic, creating centerpieces with these bowls is easy when paired with your favorite. These low-cost, economical bubbles have a very low typical density (0. Bubble lights have a liquid inside glass that is held under a vacuum. Lowering the water temperature slightly will also help, as cooler water holds more dissolved gas naturally, but don't cool more than a few degrees at a time. Hollow spheres with thin walls. Rub the cotton swab along the edges with the air bubble. Slowly stir until the soap is mixed in, being careful to not let foam or bubbles form. But if the bubbles are caused by de-lamination, then you may have a more difficult repair to. Clear Bowl Glass Vase Glass Bubble Bowl Glass Round Vase Clear Bubble Planter Terrarium Fish Bowl Fish Bowl Vase for Wedding Event Home Decor Flowers Fish (6 Pcs, 4. 8 in (63 cm) in width, 103. They are commercially manufactured by melting a unique glass formula. Product information 3M™ Glass Bubbles S 22. Bubbles in water brought to a rolling boil consist of water vapor. charliechicago Member Posts: 130. 23 g/cc and an isostatic crush strength of 3,000 psi. Our eco-friendly work appears in a variety of commercial and residential buildings from the Ritz Carlton hotel to private homes all across the country We call our artwork "Clevetion Glass" which is the opposite of the dainty and fragile Venetion Glass from Italy. Maximum injection pressure and post gate temperature of PPT20 and PP GF5/GB5 under Standard and Optimized processing conditions Material Molding Condition filled Max Injection Pressure (psi) Max Post Gate reformulated to a 20% Temperature (oF) PP T203M™ Glass Bubbles S32HS are hollow glass microspheres engineered from water-resistant, chemically-stable soda-lime borosilicate glass. If the bubbles aren’t strong enough, power it up by adding dish soap (washing up liquid, for my UK readers) and glycerin. 270 Paint ST- Rockledge FL 32955. 3M glass bubble breakage may occur if the product is improperly processed. Cooling time reductions of up to 15–25% have been reported in production-scale use. 99. High melt viscosity materials in high pressureGlass Bubble Survival During Twin Screw Compounding (PDF, 576 KB) “Plug-N-Play” Weight Reduction Solution by Hollow Glass Microspheres (PDF, 882 KB) Benefits & Processing Behavior of Glass Bubbles in Polymer Wood Composites (PDF, 397 KB) The use of 3M™ Glass Bubbles to increase time until condensation forms on painted. The base polymer resin viscosity and the level of pressure fields experienced in the process influence the survival rate of the glass bubbles. 7 x 5. g. 30 $ 168. 10 0. The bubbles produce strong, stable voids and low thermal conductivity, helping the. Lightweight, buildable coverage. 4. Glass bubbles were developed in the 1960s as an outgrowth from the manufacture of solid glass beads. Our bongs are of the highest quality and within our wide range of shapes, sizes, colors, and. Find a wand. 4 MB) 3M™ Glass Bubbles S42XHS are hollow glass spheres with a typical density of 0. Be certain that it is not so wet that the oil drips off. Product Color. $65. When adding to an extrusion process, the material should be added downstream of the feed hopper via a side stuffer or top feeder (similar5 Pcs Hollow Blue Glass Bubble Beads, Unique Clear Hand Blown Round Lampwork Globes, 10mm 11mm 12mm 13mm 14mm & 20mm, Two Holes 1mm (3. All 3M Products. Glass bubble , Hollow Glass Microspheres & Floater Manufacturer - China Supply of Sinosteel glass beads,glass bubble,floater, pearl drift from Sinosteel Maanshan Institute of Mining Research Co. ADS. 5-1. Helps lips feel softer, smoother and more supple. 20 0. Every connaisseur should own a quality bubbler, and we’re confident you’ll find the perfect one here at Fat Buddha Glass. 25-million-gallon tank will be used to fuel rocket launches, including future Artemis missions to the Moon and Mars. Effect of Processing Conditions on the Extent of Glass Bubble Survival During Twin Screw Compounding (PDF, 945 KB) Innovative High Strength Glass Microspheres for Extruded and Injection Molded Plastics (PDF, 363 KB) “Plug-N-Play” Weight Reduction Solution by Hollow Glass Microspheres (PDF, 1. (640) $1,240. 9k) $20. Glass bubbles are finely dispersed, free-flowing powders consisting of thin-walled (0. B40064637. Browse 18,958 authentic glass bubbles stock photos, high-res images, and pictures, or explore additional champagne glass bubbles or beer glass bubbles stock images to find the right photo at the right size and resolution for your project. Potential applications 4 Injection molded thermoplastics 5 Sheet/bulk molding composites (SMC/BMC) 6 Seam sealants and underbody coatings Emerging applications in 5G & Electrical ConnectorsEffect of Processing Conditions on the Extent of Glass Bubble Survival During Twin Screw Compounding (PDF, 576 KB) Innovative High Strength Glass Microspheres for Extruded and Injection Molded Plastics (PDF, 364 KB) “Plug-N-Play” Weight Reduction Solution by Hollow Glass Microspheres (PDF, 882 KB)The purpose of this study is to improve the mechanical durability and surface frictional characteristics of polymer/ceramic-based composite materials. 99 As low as $54. 125 g/cc) and an isostatic crush strength of 250 psi. 5k) $374. Yang greatly acknowledges the partial financial support from HKUST Start-up Fund (R9365). 30 0. 125 g/cc) and an isostatic crush strength of 250 psi. (51) $133. 5µm). 4. 1 bullseyeglass. Our nomenclature guide explains. A study of physico-mechanical properties of hollow glass bubble, jute fibre and rubber powder reinforced polypropylene compounds with and without MuCell® technology for lightweight applications. The glass bubble chandelier is perfect for many areas, including the dining room, living room, kitchen, bar, club, restaurant, and so on. 00. Other user's assets Some assets in this file belong to other authors. Hand made glass nearly always has a few small bubbles. 2-Pack LED Outdoor Wall Sconce Black Modern Porch Light with Crystal Bubble Glass, Exterior Waterproof Wall Mounted Light Fixtures, 10W 3000K 100% Aluminum Wall Lights for Garage Doorway Patio Balcony. 39 (5 used & new offers) Glaver's Highball Glasses Set Of 4, 16 Oz. 58. 90. 2. Hello All. These low-cost, economical bubbles have a very low typical density (0. No reviews. Regular Price $54. 40. , Ltd. by Joss & Main. If you’re interested in glass bubblers but have no idea what to expect, it can be overwhelming. 38 Packing factor (bulk density to true particle density) 60%Fire Pit Glass Fire Reflective Tempered Glass 1/2" Copper (Multiple Packing) Pack of 10 LBS, Free Shipping. 3M Stock. These foams displace 4-6 times their weight in most resins and improve the handling characteristics of the base resin. If you reboil water, bubbles may not form. 2023-08-07 15:59:25 102. 00. 97 £198. 2- Adding some fluxing agents (i. The process of blowing the glass is designed to remove air from the surface and create a smooth, bubble-free piece. Glass Bubbles synonyms - 62 Words and Phrases for Glass Bubbles. Glass microspheres are microscopic spheres of glass manufactured for a wide variety of uses in research, medicine, consumer goods and various industries. Discover the Light Factory's stunning handmade lighting, crafted with care in the Pacific Northwest. Today, advancements in the strength-density ratio of glass bubbles enables these materials to be used at any. 60 g/cc and an isostatic crush strength of 6,000 psi. Put the glycerin or corn syrup into the mix and stir. All 3M Products. 3M™ Glass Bubble S32HS. February 2013 in A-C, Heat Pumps & Refrigeration. 0. Glass Bubble Images. The 218,000 L liquid hydrogen tank is shown with its annulus being filled with glass bubble insulation from an over-the-road pressure differential trailer. An icon of a block arrow pointing to the right. 99 Glass bubble breakage: Breakage may occur if the product is severely processed. – 65 µm. 30" Retro Glass Table Lamp with 3-way Switch Purple - Ore International. This work is the evolution of extensive materials testing, laboratory scale testing, and system studies leading to the use of glass bubbles insulation as a cost efficient and high performance alternative in cryogenic storage tanks. By slowing down the ramp rates and adding a hold in the slumping range, you can accomplish a ‘bubble squeeze’ and encourage the air to escape as the glass fuses. $ 99. Feb 23, 2022. For best results, use strips of bubble wrap that are free from rips, tears, and other damage. 0% and 30. Potential applications 4 Injection molded thermoplastics 5 Sheet/bulk molding composites (SMC/BMC) 6 Seam sealants and underbody coatings Emerging applications in 5G & Electrical Connectors Effect of Processing Conditions on the Extent of Glass Bubble Survival During Twin Screw Compounding (PDF, 576 KB) Innovative High Strength Glass Microspheres for Extruded and Injection Molded Plastics (PDF, 364 KB) “Plug-N-Play” Weight Reduction Solution by Hollow Glass Microspheres (PDF, 882 KB) lower than the glass bubble samples (GB1=94. 95. Options available. These general purpose spheres have a good strength-to-density ratio and are designed for use in a variety of shallow water (e. $6. To use bubble paint for fused glass projects, you will need the following supplies: – Bubble. e. A glass bubble (also known as glass microsphere or glass microballoon) is a type of lightweight filler material used in epoxy and polyester resin formulations.