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Rubber o-ring materials
This global o-ring and seals provider has introduced seven more materials that qualify for the 3-A symbol under 3-A Sanitary Standards. They meet the Standard 18-03 for "Multiple Use Rubber and Rubber-Like Materials," and include one NBR (black), two Viton (one black and one green), one EPDM (gray) and three silicones (all translucent). The 3-A designation represents the cooperative set of standards by professional sanitarians, equipment manufacturers and processors. These groups represent associations like the National Association for Food Protection, the Food Processing Suppliers Association, the International Dairy Foods Association and the American Dairy Products Institute, among others. The designation assures products that the firm supplies continue to meet sanitary standards for protecting food from contamination.

RT Dygert
www.rtdygert.com

Post date: 7/11/2014

 
Gasket sealing solution
Gasket sealing solution The OmniGasket sealing solution is being utilized in the aerospace market as a flanged sealing component on aircraft wing slats and their de-icing telescopic duct system. Retained in a gasket, this sealing solution is machined from a Meldin 7001 polyimide plate with a static OmniSeal seal installed inside, and is mounted at the interface between the telescopic duct and the wing leading edge. When flying at high altitudes in subzero temperatures, ice forms on the wing of aircraft and a de-icing protection system destabilizes the ice using hot air coming from the engine, thus allowing the slipstream to dislodge it and remove it from the wing. The OmniGasket component is currently installed on the Dassault Falcon 7X (a large-cabin, long range business jet) and is being tested for use on a new mid-size jet. The product is composed of Meldin 7001 thermoset polyimide materials and OmniSeal spring-energized seals, and can handle extreme service conditions.

Saint-Gobain Seals
www.seal.saint-gobain.com

Post date: 7/11/2014

 
Butyl rubber products
This synthetic rubber manufacturer has undertaken a complete rebranding of its butyl rubber products. A package encompassing a global ability to deliver products anywhere, anytime, extensive technical expertise, a focus on innovative solutions and customer demands are said to represent the X-Butyl brand. All existing product grades have been renamed. For example, Regular Butyl 301 is now called X_Butyl RB 301. Bromobutyl 2030 has become X_Butyl BB 2030. And Chlorobutyl 1240 has been renamed X_Butyl CB 1240. X_Butyl RB (regular butyl) is a copolymer made of isobutene and small amounts of isoprene, and is distinguished by its high impermeability to gas and good resistance to heat, weather and ozone. In addition, it is very resistant to chemicals and demonstrates a high capacity to absorb energy. X_Butyl CB (synthetic rubber) is created by the chlorination of X_Butyl and, compared to regular butyl, is characterized by faster vulcanization times and improved adhesion to other unsaturated polymers. The properties of vulcanizates made from brominated X_Butyl BB are largely identical to those produced from chlorinated X_Butyl. However, vulcanization takes place even more quickly.

Lanxess
www.lanxess.com

Post date: 6/12/2014

McLube
High-performance polymers
High-performance polymers like Exceed and Enable metallocene polyethylene resins (mPE), Vistamaxx propylene-based elastomer (PBE), polypropylene (PP) resins and Santoprene thermoplastic vulcanizates (TPVs) can create value in flexible and rigid packaging, automotive and polymer compounding applications, according to the company. By combining its polymer, application and processing expertise with state-of-the-art machine technology, the company is said to help deliver high-performance products that meet companies' needs. Santoprene TPVs have proven to be dependable polymers for flexible engineered parts that require long-term performance, according to the company. Santoprene TPVs are said to consistently deliver excellent performance for automotive and demanding industrial applications.

ExxonMobil Chemical
www.exxonmobilchemical.com

Post date: 6/12/2014

 
UV curable bonding
Specially formulated to optimize bond strength, UV15-42C is a UV curable system for bonding, sealing and coating applications. This smooth paste can be applied vertically without sagging. As an optically clear compound, it is often used in the fiber-optic, optical, electronic, aerospace and specialty OEM industries. This one-part system is said to bond well to a wide variety of substrates, including rubbers, composites and most plastics. Adhesion to acrylics and polycarbonates is said to be exceptional. UV15-42C also features a tensile strength of 5,000-6,000 psi and a tensile modulus of 250,000-300,000 psi at room temperature. Its roughness enables it to withstand thermal cycling as well as mechanical shock. UV15-42C is also resistant to chemicals such as water, oils, cleaning agents, acids and bases. It cures readily upon exposure to a UV light source.

Master Bond
www.masterbond.com

Post date: 5/15/2014

 
Antifungal EPDM rubber
An antifungal EPDM rubber compound is specifically developed to be used in situations where rubber is expected to operate in a high-humidity, high-ambient-temperature environment, such as the rubber door seal on front-loading washing machines. As the popularity of those machines has increased with consumers, many have complained about mold and mildew develoing on the door seals. The combination of soil that comes in with dirty clothes, cotton residues and the warm, humid environment of a machine all can lead to mold growth and objectionable odors. After simulation testing, the compound is said to exhibit no fungal growth per the ASTM International standard and prevents mold issues. The antifungal properties are said to be achieved without detrimental effects to human health.

Trostel
www.trostel.com

Post date: 5/15/2014

Struktol
EPDM curing process
Curing technology for EPDM rubber has been introduced. Zeolite can be used as a new co-activator for resol curing, enabling both high cure speed and high curing efficiency. Resol curing is said to open up an alternative approach of EPDM rubber processing besides established sulfur vulcanization and peroxide curing, which are the main crosslinking technologies for EPDM rubber. So far, according to the company, resol curing could be designated as the work horse for the dynamic vulcanization of EPDM/PP-based thermoplastic vulcanizates (TPVs). However, for thermoset vulcanization of EPDM, it is hardly used, because it is considered to be too slow and suffers from marching cure. Depending on the particular resol curing system and rubber under investigation, the cure rate is said to be strongly increased. This means a reduction of scorch and vulcanization times up to 75 percent. The final degree of crosslinking is said to be clearly enhanced, almost up to the double value. (Lanxess) www.lanxess.com

Lanxess
www.lanxess.com

Post date: 5/15/2014

 
Styrenic block copolymers
Two high-performance styrenic block copolymers, MD6951 and MD1648, are said to present a unique balance of high elasticity, extraordinary tensile strength and exceptional lower melt viscosity, which will allow for a host of new process applications to be explored. Both polymers are an extension of the company's versatile family of HSBCs, Kraton A and ERS polymers, and will enable innovators to pursue melt blown, injection molding, rotational molding, compression molding or textile processes, while maintaining the softness, strength and pliability of their products, according to the company. MD6951 has an enhanced flow capability never before seen on the market, according to the firm. It has several potential applications, including soft touch overmolding. MD1648 is an enhanced rubber segment styrenic block copolymer that is compatible with polyolefins.

Kraton Performance Polymers
www.kraton.com

Post date: 5/15/2014

 
Flame-resistant compound
MR35-70-46 is a flame resistant compound that recently passed the Bombardier SMP 800-C toxicity testing, certified by Exova Warringtonfire North America. A standard method used in the NFPA130, the SMP 800-C test analyzes toxic smoke gases produced when a test material is burned. The compound also meets regulations for ASTM C1166 (flame propagation of elastomers), ASTM E162 (surface flammability of materials using a radiant heat energy source), ASTM E662 (specific optical density of smoke generated by solid materials) and ASTM E1354 (heat and visible smoke release rates for materials using an oxygen consumption calorimeter).

Mechanical Rubber
www.mechanicalrubber.com

Post date: 5/15/2014

McLube
Foamed blowing agents
Mikrofine blowing agents used in rubber and plastic to make foamed products, both in the thermplastics and thermoset industry, are distributed by this company. Blowing agents are typically divided into two different classes, including chemical and physical. Chemical blowing agents release gas on heating while the physical class involves the addition of a highly pressurized gas to the polymer matrix. Exothermic, endothermic and Endex chemical blowing agents are being distributed. Exothermic blowing agents are based on azodicarbonamide and hydrazides and release maintly nitrogen. Endothermic blowing agents release mainly carbon dioxide. Endex blowing agents are blends of exothermics and endothermics. They each have their place in the foamed industry to make compounds for a myriad of applications.

Harwick Standard Distribution
www.harwickstandard.com

Post date: 5/15/2014

 
Integrated aliphatic TPU
The company's integrated aliphatic thermoplastic polyurethane (TPU) range of solutions features the latest developments and improvements in Merquinsa legacy aliphatic TPUs for molding. Building on the improved UV and staining resistance shown by Pearlthane 91T85 (88 durometer A hardness) in molded parts like watch belts and weatherable electronic devices, the firm has expanded its aliphatic TPU offering, commercialized under Estane Engineered Polymers. The aliphatic portfolio now includes new and improved molding grades for the industrial, automotive, sports and recreation, and electronics markets. Driven by the increasing demand for light colors and/or optical clarity in several technical and fashion-end applications, the latest developments from Estane Engineered Polymers are said to have resulted in an improved formula for Pearlthane D91T80. This aliphatic TPU grade (82 durometer A hardness) is said to offer excellent color stability upon UV exposure, and also features excellent elasticity properties, according to the company. Additionally, Pearlthane D91T86 has been recently introduced, with a 90 durometer A hardness, to obtain a faster processing and better cycling time.

Lubrizol
www.lubrizol.com

Post date: 4/15/2014

 
Mold release systems
TraSys water-based release coatings are offered by the company. These mold release agents use highly effective, stable raw materials that are synthesized in a unique process to provide the proper balance of durability and release for an application. Product consistency, reliability and availability are said to help keep production running smoothly. TraSys coating and release systems are water-based release coatings that enable molders to meet even the most stringent existing and anticipated environmental regulations, without sacrificing production. They are free of chlorofluorocarbons, ozone-depleting chemicals and volatile organic compounds. The water-based technology in TraSys mold release coatings helps avoid the challenges associated with solvents and alcohol. High levels of performance and longevity are offered at a competitive price.

Stoner
www.stonersolutions.com

Post date: 4/15/2014

Struktol
Propylene-based elastomer
Addition of Vistamaxx PBE to a masterbatch from Shanghai Xiner enables a low processing temperature of about 120C (248F). This is said to be particularly important if heat-sensitive additives are being used. Also, when the masterbatch is used in applications such as films, almost no adjustment in processing temperature is required. Use of Vistamaxx PBE in masterbatch is said to allow for excellent dispersion of functional additives and color pigments.

ExxonMobil Chemical
www.exxonmobilchemical.com

Post date: 4/15/2014

 
Light-curable adhesives
Light-curable adhesives Cyclic olefin polymers/copolymers (COP/COC) are said to have become popular choices in the point-of-care device industry because of their many advantages, including high strength, hardness, low water absorption and excellent biocompatibility. The company's 1072-M MD adhesive is a UV/broad-spectrum-cured adhesive specifically designed for bonding COC/COP film laminates and other difficult-to-bond polymers. Designed to be LED optimized, 1072-M will cure in less than three seconds after exposure to LED or broad spectrum UV light. Optimal cure time can be achieved by using this product in conjunction with an LED light curing system from the company, designed to provide users with significant advantages over conventional lamp-curing systems, including cooler curing temperatures, more consistent cure results, lower intensity degradation over time, lower energy consumption and reduced costs.

Dymax
www.dymax.com

Post date: 4/15/2014

 
Advanced SBR and BR
High quality, advanced technology SBR and BR products from Synthos S.A. are distributed by the company. Synthetic rubber production is executed by two main technologies, including emulsion and solution polymerization. Two groups of emulsion rubber are offered, including emulsion styrene-butadiene rubbers (ESBR) and high styrene rubbers (HSR), as well as one solution rubber, butadiene rubber (NdBR). Styrene-butadiene rubbers are sold under the Kralex and KER product names. Kralex rubber is produced in the Czech Republic, and KER is produced in Poland. Styrene-butadiene rubbers are produced by a technology of cold emulsion polymerization and coagulated by a system of acid and synthetic coagulant, and are stabilized by staining or non-staining antioxidants. Some grades are solid, and some are modified by extender oils, including treated distillate aromatic extract (TDAE) or residual aromatic extract (RAE). Styrene-butadiene rubbers are suitable for rubber compounds used in the production of tires, conveyor belts, footwear, wire and cable, hose and various other molded goods.

Harwick Standard Distribution
www.harwickstandard.com

Post date: 4/15/2014

McLube
Molecular imprinting
The Handbook of Molecularly Imprinted Polymers is said to provide a useful guide to preparing molecularly imprinted polymers (MIPs) for diverse practical applications. The first chapters focus on specific applications, such as MIPs for sample concentration, MIPs for chromatography and related techniques, MIPs as sensor components, MIPs as traps for medical and bioremediation, MIPs as catalysts and artificial enzymes, and MIPs as components of drug delivery systems. The book examines interest in the MIP approach for specific applications, specific aspects of the synthesis of MIPs for this aim, and representative examples of MIPs and their performance in various applications.

Smithers Rapra
www.smithersrapra.com

Post date: 3/6/2014

 
Radial shaft seal rubbers
Radial shaft seal rubbers HSS radial shaft seals are designed to promote optimized performance and reliability for critical steel mill and metals industry assets. The all-rubber, reinforced sealing solutions are said to provide metal rolling mills with high-performance and easy-to-install solutions to protect large-size bearings from the ingress of potentially harmful contaminants. HSS seals are manufactured from nitrile rubber (NBR), SKF Duratemp (HNBR) and SKF Duralife (FKM). The standard grade of these materials is used for the sealing lip and a harder grade is engineered for the part of the seal body contacting the housing bore to impart improved stability during installation and in operation. SKF Duratemp is a hydrogenated nitrile rubber (HNBR) that is said to combine the wear resistance of SKF Duralip with increased high-temperature resistance. SKF Duratemp is also said to be more resistant to chemical attack, weather, aging and ozone. SKF Duralife is a fluoro rubber compound said to be characterized by its very good wear, and thermal and chemical resistance. Its resistance to weather and aging from UV light and ozone is said to be very good and its gas permeability is very slight.

SKF USA
www.skfusa.com

Post date: 3/6/2014

 
NdPBR rubber grades
Two easy processing grades of neodymium polybutadiene (NdPBR) are said to ease the production of, for example, fuel-efficient tires. Buna Nd 22 EZ and Buna Nd 24 EZ are said to be characterized by high molar masses necessary to fabricate tires with outstanding low rolling resistance, but are still exceptionally easy to process due to new rubber modification technology from the company. Hence, these modified NdPBR grades are said to represent attractive alternatives for the high performance NdPBR Buna CB22 and CB24 rubbers already widely applied in the tire industry, according to the company.

Lanxess
www.lanxess.com

Post date: 3/6/2014

Struktol
Monol oligomer technology
Krasol LBH 5000M is the latest addition to the company's portfolio of liquid polybutadiene additives. The mono-hydroxyl functional oligomer (monol) is said to be a versatile additive that supports new applications for reactive polybutadienes. The monol can also be hydrogenated to produce a clear liquid (Krasol HLBH 5000M). As a long-chain alcohol (C250), the monol retains resistance to acids and bases in harsh environments, is hydrolytically stable and is compatible with hydrocarbons. In composite systems, the oligomeric chain can promote surface modification and adhesion.

Cray Valley
www.crayvalley.com

Post date: 3/6/2014

 
Semi-permanent release
Frekote Aqualine R-220 is said to offer excellent release and slip properties and is recommended for the most demanding rubber molding applications, such as EPDM rubber. When properly applied to a preheated surface, this water-based product chemically bonds to the mold surface to form a thin, inert, thermally stable release coating. Frekote Aqualine R-220 is used as received and is normally spray applied to hot mold surfaces ranging in temperature between 140F (60C) to 400F (204C). Four applications are recommended for warm mold temperatures, while six applications are recommended for hot molds. These mold releases are said to be fast curing and non-flammable, and offer reduced reject rates and improved storage stability.

Rudolph Bros.
www.rudolphbros.com

Post date: 3/6/2014

 
Bio-based TPOs
Bio-based TPOs Oflex is a bio-based thermoplastic polyolefin coated fabric made from Gaialene, a sustainable thermoplastic plant-based resin. This resin, made from starch by Roquette, is a specific flexible grade. The Oflex bio-based line consists of a textile material or foam coated with these new bio-based TPOs. As developed, the coating lends itself readily to dyeing, is free of plasticizers, and is recyclable in the polyolefin stream. It is said to offer numerous design options with a high level of performance. The technical partnership of the company with Roquette allowed it to develop an entire line of fabrics coated with bio-based TPOs that are free of phthalates and PVCs. Thanks to their great flexibility and softness, the products offer a genuine alternative to coated PVCs and leathers, according to the company. The Oflex bio-based line contains 25-35% plant-based resources, which sets it apart from conventional coated fabrics.

Chomarat
www.chomarat.com

Post date: 1/2/2014

McLube
Cable insulation rubber
Cable insulation rubber Aflas 150E is an advanced insulation material option for HEV/EV cable. Aflas 150E fluoroelastomers outperform XL-PE cable systems, providing superior chemical resistance, flexibility and high temperature performance (200C versus 150C), according to the company. Cable constructions using Aflas are thinner, lighter weight and more flexible than those using XL-PE. Aflas fluoroelastomers are said to be ideal for HEV/EV cable for automotive applications that need to be lightweight and continue performing reliably at high temperatures. The material is compatible with aluminum and copper wire cores, is non-flammable, vibration resistant and flexible. Lightweight cable constructions with sustained performance are said to have become a necessity in the automotive industry. Aflas 150E is said to be a more durable, flexible, high temperature material that allows for thinner wire insulation at equivalent performance levels, according to the manufacturer.

AGC Chemicals Americas
www.agcchem.com

Post date: 1/2/2014

 

 
 
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