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Wacker develops new liquid silicone for radiator gaskets

Monday, July 28, 2014

Munich, Germany - Wacker is expanding its product range with a new liquid silicone rubber for the production of automotive gaskets. Molded parts made from the new silicone are resistant to heat and coolant and exhibit low compression set even under permanent stress. Car radiators and cooling-system components can thus be reliably sealed. Elastosil RT 728, as the new silicone grade is called, can be injection molded or mechanically dispensed straight onto the part to be sealed. The new liquid silicone rubber, which is resistant to coolant, has been specially developed for the automotive industry. It is suitable for injection molding and for cured-in-place gaskets applied by dispensing equipment. Elastosil RT 728 has been chiefly developed for the production of fluid- and heat-resistant gaskets for the automotive industry. The liquid silicone is characterized by high coolant resistance. Gaskets made from Elastosil RT 728 exhibit no more than 30 percent compression set after 1,000 hours in coolant at a temperature of 105°C. After 1,000 hours at 125°C, the permanent deformation is still less than 65 percent as soon as the stress is removed. The elastomer’s high resilience delivers constant contact pressure and optimum leak-tightness in the seal groove. Moreover, even long-term stress has very little effect on the overall property profile of Elastosil RT 728. Vulcanizates of the new liquid silicone meet delivery specifications of leading car manufacturers concerning gaskets for use in engine cooling systems. Elastosil RT 728 supports cost-efficient series production of parts by injection molding. However, the liquid silicone can also be applied by dispensing equipment straight onto the part to be sealed; automotive subcontractors use this method to produce two-component parts. Elastosil RT 728 meets all the key requirements of this application. By virtue of its shear-thinning properties, it can be applied by dispensing equipment and is self-adhesive. Automotive suppliers, such as Stuttgart-based MAHLE, uses the product to make radiator components. - * Email

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RheinChemie

Creative Materials introduces new conductive silicone adhesive

Monday, July 28, 2014

Ayer, MA - Creative Materials, Inc. has introduced 102-32D to its family of conductive silicone adhesives. This new product offers some enhanced features over our standard 102-32, which is one of our most versatile and widely used products. Some innovative features of 102-32D are improved working life and dispensing characteristics. 102-32D was designed for high throughput and automated dispensing processes, allowing for enhanced features such as no tailing or stringing and low bleeding. Creative Materials' standard and custom formulations of silicone adhesives feature flexibility, heat resistance and moisture resistance. Typical applications for our silicone adhesives include manufacturing and assembly of products and components in consumer, medical, aerospace and industrial applications. Features of 102-32D include: room temperature cure and snap cure; high conductivity (0.0001 Ω-cm); easy-to-dispense; high elasticity; resistance to high temperatures; excellent resistance to thermal cycling; low bleeding; non-tailing; low modulus; and low stress. The silicone adhesives adhere well to PTFE, silicone, and other low-surface-energy substrates, and are suitable for delicate and stress-sensitive substrates. Application methods include spraying, screen-printing, and syringe dispensing. Silicone adhesives exhibit good electrical properties and are often used when a wide-range of operating temperatures and high-temperature resistance are required. Other advantages of these products include little exothermic heat rise during cure and resiliency when bonding substrates with dissimilar coefficients of thermal expansion. - * Email

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McLube

Everkem introduces TruSil 100 silicone sealant for industrial applications

Monday, July 28, 2014

Winston-Salem, NC – Everkem Diversified Products, manufacturer of sealants, adhesives and specialty chemical compounds used for construction and industrial applications introduces TruSil 100 Silicone Sealant to its Seal Tite brand of sealants and adhesives. TruSil 100 derives its name from its one hundred percent silicone formulation, which gives it greater adhesion, less shrinkage, higher temperature resistance & lower temperature application, and overall increased performance over “extended” silicone formulations. TruSil comes in a redesigned caulk tube featuring a screw on nozzle which allows for easy cleaning, storage, and reuse after product has been opened. The added removable tip helps reduce waste and costs by limiting open product’s exposure to air and moisture between uses. “In addition to the removable nozzle making cleaning and storage easier, when multiple tubes are required for a project the installer can swap out nozzles between tubes to ensure their desired bead size remains consistent throughout the entire job,” said Jason Lynch, president of Everkem Diversified Products. Available in several popular colors and mildew resistant options TruSil 100 is NSF-51 Certified, ensuring that it does not cause food borne illnesses when coming into contact with food and/or beverages, making it ideal to use in and around food processing and storage. TruSil 100 meets ASTM-C920 performance criteria (+/- 25% joint movement), remains flexible at temperatures as low as -55°F (-48.3°C), and can withstand continuous exposure to temperatures up to 400°F (204.4°C), all while meeting low volatile organic compounds (VOC) requirements. “A huge part of the Everkem experience is our commitment to developing and providing progressive product solutions to better serve our customers to help them remain competitive in an ever-changing marketplace,” continued Jason Lynch. “That was the motivation to develop TruSil 100; we wanted to provide our customers with a superior silicone solution.” - * Email

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Firestone Liberia distributes rubber stumps to farmers across Liberia

Monday, July 28, 2014

Monrovia, Liberia - The Management of Firestone Liberia has commenced the distribution of free rubber stumps to Liberian farmers from across the country. Speaking in Harbel where the farmers had gathered on Saturday, July 19, 2014, to receive their rubber stumps as applied for, Firestone Liberia's rubber purchase manager, Jimmy Hina, said the distribution of rubber stumps was part of the company's commitment to regular Liberian rubber farmers to help with the process of either replanting or expanding their farms. According to the rubber purchase manager, this commitment on the part of the company has been fulfilled every year. Hina appealed to the recipients to fully utilize the high yielding rubber stumps by planting them on their various farms. "I'm appealing to you, do not take the stumps and misuse them; do not take the stumps and sell them." He disclosed that after the issuance of the stumps, his department will conduct what he called "a post issue audit. We are going to come to your farm and verify whether you used the stumps for the intended purpose; if you didn't, you can rest assured that you won't receive stumps from Firestone anymore. So please use the stumps for the intended purpose." He disclosed that the company intends to issue seven hundred and seventy thousand (770,000) free rubber stumps to local farmers this year. Hina noted that the farms assessment is always a continual process to ascertain how well farmers are utilizing the rubber stumps they received from Firestone. Receiving the stumps on behalf of his colleagues, Emmanuel S. Moore of Grand Bassa County, thanked the management of Firestone Liberia and assured that the stumps would be used for the intended purpose. It can be recalled that since the Firestone Liberia Free Rubber Stumps Distribution program was launched in August of 2006, Firestone has distributed more than 4 million rubber stumps to Liberian rubber farmers across the country at no cost to the farmers. The program is aimed at assisting small rubber farmers in their replanting efforts to help rebuild Liberia's rubber industry. - * Email

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ITW Fluids launches new non-flammable aerosol water-based mold release

Monday, July 28, 2014

Glenview, IL — ITW Fluids North America is excited to announce the launch of our new aerosol line of products. These products are the same high performance, high quality products they currently provide in a convenient, easy-to-apply aerosol. Unlike many release agents currently available in aerosols, the Franklynn DiamondKote aerosol products utilize a non-flammable nitrogen propellant and the products themselves are water-based. The initial products being offered are DiamondKote DKW-4013A, DKW-4064, and DKW-4080. All of these products are excellent choices for a variety of elastomers with some differences in where they excel. DiamondKote DKW-4013A is a water-based, silicone free semi-permanent mold release agent designed for use in the molding of silicone elastomers. DiamondKote DKW-4013A promotes good rubber flow without significant transfer and excellent release characteristics. Typical applications include the molding of seals, o-rings, gaskets. DiamondKote DKW-4013A can also be effective on a variety of peroxide cured elastomers including EPDM, FKM and HNBR. DiamondKote DKW-4064 is a water-based, semi-permanent mold release agent designed for use in the molding of various peroxide cured elastomers such as EPDM and FKM. It is especially effective in the molding of elastomeric seals and gaskets and promotes good rubber flow while minimizing transfer and helping to keep molds clean. DiamondKote DKW-4080 is a water-based, semi-permanent mold release agent designed for use in the molding of various peroxide cured elastomers such as EPDM, FKM, and silicone. It is especially effective in the molding of elastomeric seals and gaskets and promotes good rubber flow while minimizing transfer and helping to keep molds clean. - * Email

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APS Elastomer develops TPV for automotive exterior applications

Monday, July 28, 2014

Romulus, MI - APS Elastomers has developed a thermoplastic vulcanizates (TPV) for use in automotive exterior applications. Viprene TPVs are a cost-effective, lightweight alternative for use in mirror mounts, mud guards and splash shields, bumpers, antenna bezels, and gaskets, seals and grommets. Available in natural or black pellets with a durometer hardness range of 35A-50D, Viprene TPVs provide flexibility over a wide temperature range and resistance to degradation from water, oil and grease. Additionally, Viprene TPVs offer a better compression set, are fatigue resistant, dimensionally stable and offer heat aging stability, low temperature flexibility and excellent U.V. and ozone stability. "Our Viprene TPV can be formulated to individual specifications needed in a variety of automotive exterior applications", says Stephane Morin, owner of APS Elastomers. For more information on Viprene grades for extrusion and injection molding, as well as other grades for conventional, unique or highly durable applications, contacts APS Elastomers, info@apstpe.com. APS Elastomers is committed to providing in-depth and high level customer and technical service, problem-solving, product development and support to designers, OEMs and processors; building relationships based on knowledge, trust and experience. APS Elastomers also provides beside-the-press consulting, full laboratory services and expedited shipments. - * Email

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Cooper Standard opens new technical center in Shanghai, China

Monday, July 28, 2014

Shanghai, China - Cooper-Standard Holdings Inc., the parent company of Cooper-Standard Automotive Inc. ("Cooper Standard"), demonstrated its commitment to global expansion in the Asia Pacific region during the grand opening event for its new Asia Pacific Technical Center in Shanghai, China. The company's Asia Pacific headquarters will also relocate from Kunshan, China to the new Shanghai facility. The new Asia Pacific Technical Center and headquarters covers 762 square meters with 55 employees who support the entire region's customer base. From this location, the company will provide local technical support with engineering and design capabilities to the entire Asia Pacific region customer base. "The opening of this facility is the latest step in executing Cooper Standard's profitable growth strategy," said Jeffrey Edwards, chairman and CEO, Cooper Standard. "The Asia Pacific region represents the greatest growth in automotive production through 2020. The new facility expands Cooper Standard's technical presence by providing additional engineering capabilities and support for our customers in the region and on a number of global platforms." At the event, Edwards and Cooper Standard's Global Leadership Team highlighted the company's growth strategy, including its current and future goals. The Shanghai facility showcases technology innovations and underscores the company's commitment to grow in the region. Attendees were also invited to tour the new technical center. The opening of the Asia Pacific Technical Center is another example of the company's global expansion efforts to support its automotive customers around the world. In June 2014, the company opened a 19,200 square meter facility in Sremska, Serbia to manufacture sealing systems in the European region. Other recent expansions include sealing production in Aguascalientes, Mexico and fluid transfer and fuel and brake delivery systems in Fairview, MI, both in the North American region. - * Email

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Far East looks to Iran, India for butadiene as supply tightens

Monday, July 28, 2014

Dubai, UAE - Platts reports, "East Asian countries, especially South Korea and Taiwan, are increasingly importing butadiene cargoes from Iran, India and Southeast Asia as supplies within the region have been tight for a while, trade sources said this week. About 9,000 metric tons of Iranian-origin butadiene is expected to arrive in the Far East by mid-August. The first parcel of 4,500 metric tons is to be delivered to an end-user by end-July. The second cargo, also with a volume of 4,500 metric tons is to delivered to South Korea shores by mid-August. The Japanese trader who bought a 2,000 metric ton cargo from Thailand's Bangkok Synthetics Co. Ltd. subsequently offered it into South Korea and Taiwan at $1,600/metric ton on a CFR basis. Several trade sources said that a 4,000 metric ton tender, for early August loading, expected to be allotted by India's Reliance Industries this Friday is also expected to head either to Taiwan or South Korea. End-users in the region are now entering into negotiations for European-origin butadiene cargoes. An acrylonitrile-butadiene-styrene manufacturer in China was heard to be currently negotiating a European-origin 3,000-4,000 metric ton butadiene cargo this week. "We are still negotiating," the end-user said. The rise in demand for imported butadiene cargoes was reflected in data released by China's General Administration of Customs showing that imports of butadiene in June more than tripled from the previous month to 14,399 metric tons. However, downstream manufacturers are not finding enough cargoes to run their plants at full rates. China's Ningbo LG Yongxing Chemical has lowered the operating rate of its 700,000 mt/year ABS plant at Ningbo to 75 percent of capacity from more than 80 percent at the start of July, on butadiene shortage. The prime reason for the sudden demand for imported cargoes in the Far East is the turnaround season that began in early July and is expected to last until September. Taiwan's CPC shut its No. 4 naphtha-fed steam cracker in Linyuan for a two-week maintenance in early July, sources said. The cracker can produce 380,000 metric tons/year of ethylene, 193,000 metric tons/year of propylene and 90,000 metric tons/year of butadiene. However, CPC's No. 5 naphtha-fed steam cracker at Kaohsiung, which can produce 500,000 mt/year of ethylene, 250,000 metric tons/year of propylene and 80,000 metric tons/year of butadiene continues to remain shut. Taiwan's Formosa also plans to shut its No. 3 naphtha-fed steam cracker in Mailiao from August 15 for 45 days of annual maintenance. The No. 3 steam cracker is able to produce 1.2 million metric tons/year of ethylene, 600,000 metric tons/year of propylene and 180,000 metric tons/year of butadiene. In South Korea, Yeochun NCC will slash the operating rate of its 240,000 metric ton/year butadiene plant at Yeosu in mid-September to 80 percent from near 100 percent currently, a company source said. The company has three naphtha-fed steam crackers at Yeosu. It plans to shut its No. 3 cracker mid-September for a month long annual maintenance, the source said. The cracker is able to produce 450,000 metric tons/year of ethylene, 230,000 metric tons/year of propylene and 150,000 metric tons/year of crude C-4 feedstock. YNCC supplies crude C-4 feedstock to the butadiene plant from the No.3 steam cracker. Further, the use of LPG as a feedstock instead of naphtha in most of the crackers in South Korea has considerably reduced the butadiene yield, a South Korean producer said. "Considering the high demand for butadiene, we want to raise production but we cannot considering we already have a long-term contract for LPG and are forced to use it as a feedstock," a South Korean producer said." - * Email

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