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Product Spotlight

Urethane cutting production time reduced
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Rubber World's Product News Online

Equipment | Materials | Instruments | Hardware/Software | Services

Predispersed short fibers
Rhenogran wood pulp type and Rhenogran aramid type short fibers are used as additives in rubber compounds. Rubber products, such as tires, automotive components, industrial or technical rubber goods, are said to be under continual pressure for improved performance, while concurrently facing downward cost pressure, according to the company. Reinforcement is said to be an extremely important aspect of compounding, and plays a significant part in this cost versus performance analysis. The use of short fibers as an additive to rubber compounds has been shown to both improve physical properties and have a lowering effect on the cost of producing rubber products.


Post date: 11/20/2017

Fluoroelastomer grades
Aflas 400E has been added to the company's line of extrudable fluoroelastomer grades. Aflas 400E is a tetrafluoroethylene propylene (FEPM) material that is said to offer performance and processing advantages over FKMs and other Aflas grades. The product incorporates a new cure-site monomer, making Aflas 400E ideal for wire and cable constructions, according to the company. It is said to cure rapidly and is colorable, while maintaining the characteristics and resistance of standard Aflas. Products made with Aflas 400E are said to last longer in harsh environments, and they do not deteriorate under prolonged exposure at 230C. Additional processing advantages of Aflas 400E over conventional FKMs and other Aflas grades are said to include easier extrusion, excellent electrical resistivity, superior thermal resistance, outstanding resistance to bases and acids, improved compression set, enhanced tear resistance, white base resin color, and a specific peroxide is not required.

AGC Chemicals Americas

Post date: 11/20/2017

EPDM product solutions
Three Nordel EPDM (ethylene propylene diene terpolymer) products are said to enable automotive part manufacturers and brand owners to make higher performing weatherstrip parts and meet consumer demands and market trends for lightweighting, safety and aesthetics. The extra fast cure (XFC) grades of Nordel EPDM are said to allow OEMs to create high quality dynamic and static automotive weatherstrip products more efficiently so brand owners can meet increasing consumer and regulatory demands for lightweight, fuel-efficient cars with dampened vibrations, isolated road noise and appealing aesthetics, according to the company. Used in automotive sealing applications for car doors, glass and window, trunk and hood seals, Nordel EPDM XFC products are said to be extremely high quality, low gel polymers that provide the optimum balance of surface sealing and aesthetics, part strength, and improved elastic and compressive properties.

Dow Elastomers

Post date: 11/20/2017

Process oils for rubber
HyPrene process oils have the ability to adapt to fit specific processing appliction needs. Due to their solvency power, low pour points, low odor and good color stability, these oils can be used in a wide variety of products and applications, including tire oils, rubber compounding, adhesives, defoamers and more, according to the company. Viscosity ranges from low (40 SUS) to high (4,900 SUS). HyPrene process oils are said to offer great quality, as well as versatility. Many who use process oils to create products are said to constantly monitor changing regulations to make sure their oils are to specification. With HyPrene, customers can trust that they will always receive products that meet current specification requirements and perform consistently, according ot the manufacturer. HyPrene products are sold in more than 90 countries from a network of strategically located refineries and terminals.


Post date: 11/20/2017

Natural rubber distributor
This large and diversified distributor of elastomers, masterbatches, carbon black, natural and synthetic rubber and process oils is said to focus on the customer, from the first meeting, to product delivery, to sales and product support, and maintaining a supplier/customer partnership. The firm is said to have detailed expertise with the purchase, handling, packaging and shipment of natural rubber. The company searches the world for the best purchase oppportunities, and repackaging, if necessary, to meet the requirements of its customers. The company's Nashville, TN, distribution center is said to have the U.S.A.'s leading natural rubber handling facility, complete with thawing, drying, cutting, repackaging and inspection services. Natural rubber is sold on a spot basis, but supply frequently turns into longstanding repeat distribution. Details on natural rubber and other materials are available from this distributor.

Intertex World Resources

Post date: 11/20/2017

Natural latex compounds
Natural latex is produced from the Hevea brasiliensis rubber tree. Latex is placed into a centrifuge, stabilizers are added and the latex is centrifuged to remove some of the water and increase the rubber content. After centrifuging, the material is known as latex concentrate, and contains roughly 60% rubber. This latex concentrate is then compounded by the company by adding other raw material ingredients. These raw materials are water-based dispersions which are added to the latex to achieve the desired performance characteristics. The company produces high quality, custom formulated natural latex compounds for a multitude of market applications and processing possibilities. Formulations are offered using both high and low ammonia natural latex. The firm also offers pre-vulcanized compounds, along with specialty additives, dispersions and coagulants.


Post date: 11/20/2017

Dry natural rubbers
Vytex ultra-low protein and non-rubber latices are said to allow for affordable, broader range end use applications with reduced risk of causing or triggering latex allergies. New formulations, including nitrosamine-free Vytex latex and their formulations, also can meet the demand for more sustainable production and grades of natural rubber and safer work environments for products such as foam pillows, packaging, adhesives, toys, balloons and medical devices, according to the manufacturer. Two solid dry rubber grades are being field tested in tire and non-tire applications.


Post date: 11/20/2017

Epoxide natural rubber
A patented grade of epoxide natural rubber for tires is not only capable of substituting for the expensive solution-polymerized styrene butadiene rubber (S-SBR), widely used for high-performance car tires, including winter tires, it also provides a sustainable solution to future high performance tires, according to the company. This innovation is said to be the result of the company's commitment to replace synthetic materials with green and more environmentally-friendly, naturally occurring materials. The company collaborated on this invention with the Rubber Research Institute of India.

Apollo Tyres Ltd.

Post date: 11/20/2017

Natural, halogen-free rubber used for matting
Entrance matting made by U.K. firm EMS uses natural, halogen-free, fire retardant rubber, Natural-FR, and is now being used in 18 London Underground stations. The development and commercialization of Natural-FR is said to have resulted in a unique compound with green credentials that provides the industry with material flammability, used either on its own or as a cover layer. London Underground needed a solution for entrances that are exposed to multi-directional foot traffic. The design of the matting is said to be unique to EMS, and consists of an aluminum extrusion with the rubber infill arranged in a checkerboard pattern. The design is said to provide maximum grip in any direction, hence the name Multi-Track. The matting is designed to withstand heavy foot traffic in any direction, as well as benefiting from a debris channel system, according to the company. Natural-FR is a sustainable, zero halogen, low smoke, low toxic rubber compound based on natural rubber. It starts its journey from the latex of the natural rubber tree Hevea brasiliensis. Natural-FR has passed the flammability requirements for floor composites and flexible rubber-metal units as specified in the EU standard EN45545-2 (2013). Natural-FR in third party laboratory testing has passed the following criteria for a flooring application, and is authorized for use in entrance matting in London Underground stations: smoke density, smoke toxicity, heat release rate, flame spread, ignitability, and dry and wet slip resistance.

Rubber Consultants

Post date: 11/20/2017

Performance additive
Harmonite is said to be a versatile, multi-functional, operation-friendly base compound or performance additive that can improve current formulations by increasing tack, viscosity, hardness, durability and shortening cure times, depending on the application; reduce or eliminate the consumption of higher cost formulation ingredients such as plasticizers, tackifier resins, aromatic oils, titanium dioxide, powdered coal, hard clay, petroleum pitch and Gilsonite; and dramatically reduce mixing time, up to 50% in some cases, with up to 36% lower power consumption during production, according to the company. Harmonite is an asphaltene and resin rich product; a high molecular weight complex mixture in which lighter weight fractions have been driven off due to natural oxidative aging and patented high heat processing steps. Asphaltenes have been shown to exhibit polymeric behavior, be soluble in aromatics and longer straight-chain hydrocarbons, and insoluble in alcohols and water, increase viscosity and stiffness, and harden softer petroleum fractions. Harmonite is a finely divided powder that is operation-friendly, according to the company. It is said to flow well at room temperature.


Post date: 11/13/2017

Reactor TPO technology
Catalloy technology creates reactor thermoplastic polyolefins that are said to combine the advantages of polyolefins with those of elastomers. Their wide range of highly balanced and tailor-made properties is said to make these materials unique. Catalloy rTPO resins can also be recycled to guarantee full sustainability throughout a product's life cycle and beyond. Catalloy is a multi-stage gas phase polymerization process, not just a resin or a product name. This process is said to produce materials over a much wider property spectrum and with a high degree of consistency. From the Catalloy process, the company is said to produce an innovative family of reactor thermoplastic polyolefins. Using a series of independent gas phase reactors with independent composition and sophisticated catalysts, the Catalloy process is said to produce a polymer alloy using multiple monomer inputs.


Post date: 11/13/2017

Crosslinking peroxides
Organic peroxides for the crosslinking of elastomers and thermoplastics are said to find use in a huge range of industrial and consumer products. These include automotive parts (i.e., seals, gaskets, hoses, belts, spark plug boots and o-rings), golf ball cores, footwear soles, adhesive tapes, wire and cable, and foamed products (rubber and thermoplastics). Organic peroxides are also said to find growing use in polymer modification (CR-PP), grafting, processes (silane, maleic anhydride) and dynamic vulcanization (TPV production). Compression set properties improve with higher peroxide amounts. Whereas the crosslink density is mainly affected by the amount of peroxide, the rate of crosslinking is mainly determined by the temperature and the type of peroxide. The company's slip and anti-blocking additives, which trade under the names Armid and Armoslip, are also used as processing aids for elastomers.


Post date: 11/13/2017

Thermoplastic vulcanizates
Santoprene thermoplastic vulcanizates are said to have a successful track record for flexible, high quality engineered parts used in a wide range of automotive applications. Combining the characteristics of vulcanized rubber with the processing ease of thermoplastics, Santoprene TPVs are said to deliver excellent long-term performance, the potential for reduced system costs, and the possibility of sustainability benefits. Santoprene TPV grades are available for basic molding and/or extrusion, glass encapsulation, interior, extrusion, slip coat, corner molding and special bonding. Under-the-chassis applications for Santoprene include steering boots, suspension boots, control cables and air dams. Under-the-hood applications include air duct systems, plugs, bumpers and grommets, tubes and connectors, and fuel line systems. Santoprene can be used in weatherseals for such applications as glass encapsulation, inner belt line, outer belt line, end cap and corner molding, glass run channel, cowl vent/hood to cowl, cut line, gap filler, tailgate trunk, windshield, sunroof and roof line. Interior applications include flapper door seals, steering column covers, mats and cup holders, and more.

ExxonMobil Chemical

Post date: 11/13/2017

Millable PU rubber
Millathane polyurethane rubber is said to possess a combination of physical properties not found in natural or other synthetic rubbers, and is said to make a significant contribution to the high performance rubber market. Key properties of a polyurethane rubber demanded by high performance applications include abrasion resistance, high strength properties, low temperature flexibility, ozone resistance, load bearing ability, outstanding oil resistance and resistance to nitrogen permeability. Peroxide cured compounds, especially of polyester polyurethane grades, are said to have good heat and compression set resistance, being able to withstand continuous temperatures up to 100C, and intermittent temperatures up to 120C. Sulfur cured compounds generally have higher strength properties, including abrasion resistance, versus peroxide cured. Isocyanate cured compounds have outstanding strength (tensile and tear), and abrasion resistance in higher hardness compounds (75-99 durometer A to 65 durometer D), according to the company. Millathane millable polyurethane rubber is used in many industrial markets, such as business machines, automotive, textile, footwear and others.

TSE Industries

Post date: 11/13/2017

Food grade thermoplastics
Thermoplastics for food technology, including solutions for food processing, packaging and conveying, are offered by the company. Food compliant materials are FDA, CFIA, NSF, USDA, 3A-SSI and ED STD certified, and are said to provide improved productivity and product lifetime through reduced friction and wear. Self-lubricating formulations lower maintenance costs.

Quadrant Engineering Plastic Products

Post date: 11/13/2017

Medical grade TPEs
Medical grade TPEs Mediprene thermoplastic elastomers for medical applications include several grades for solvent bonding. Many customers are said to be joining tubes with injection molded components, such as connectors, by solvent bonding. Traditional TPS based formulations do not bond well with solvent; cyanoacrylate glue with or without primer is an alternative to achieve high bond strength in these situations, according to the company. In addition, the company has developed a range of Mediprene TPE compounds which are said to achieve high bond strength when applying solvents such as cyclohexanone. Representative Mediprene grades are said to have passed cycotoxicity tests according to ISO 10993-5 and biocompatibility tests according to ISO 10993-10 (intracutaneous reactivity), ISO 10993-11 (acute systemic toxicity) and USP Class VI. Mediprene solvent bondable TPEs for injection molding are available in hardnesses from 70 durometer A to 45 durometer D, and can be further expanded.

Hexpol TPE

Post date: 11/13/2017

Urethane cutting production time reduced
Urethane cutting production time reduced Upgraded controls on an Esco machine are said to help reduce urethane cutting production time from over three hours to 20 minutes. Advanced motors, drives and rapid feedback controls are said to make substantial improvements in machine performance at a supplier to the poly foam insulation and padding industries. Esco supplies the furniture, mattress, automotive, packaging, pipe insulation, healthcare and other industries with automated CNC profilers and horizontal cutting machines. Production speeds up to 840 inches per minute are achieved on flexible and rebonded polyurethane, latex and viscoelastic materials, when used as either stand-alone cutting machinery or in tandem with automated materials handling and packaging lines. Esco was seeking a controls platform that would have global support and standards compliance. While the axes of motion are relatively limited on the machine lines, the high tension maintained and the need for precise positioning of the cutting wire on this machine made it necessary to have the most accurate and durable drive combinations available onboard. Incorporating the Simotion motion controller, Sinamics low-voltage drives and Simotics S-1FK7 servomotors was said to give Esco not only the performance levels desired, but also the global application engineering, technical support and parts inventory benefits of this international supplier. The control package allowed a single, common DC bus without stand-alone drives, plus the system provided is scalable to allow the cutting machine to be interfaced with additional mechanisms and loading/unloading devices.

Siemens Industry

Post date: 11/13/2017

Polyurethane binders
Tru-Motion Play Series products have been expanded to include a line of aromatic binders for pour-in-place safety surfaces. These products have been developed to cover the wide range of climate conditions encountered in the United States. The line replaces the previous product range and consists of four products that provide the optimal cure speed and working time in a broader spectrum of installation conditions. Tru-Motion H3712 HH is the slowest reacting aromatic binder in the Tru-Motion Play Series. It is designed for installation at high temperatures and high humidity. H3712 HT is a slightly faster reacting version of H3712 HH for moderate high temperatures and humidity. Tru-Motion H3712 MT is the most universal system in the series. It is designed for installation under most normal conditions in the continental United States. H3712 DC is the fastest reacting aromatic binder in the series, meant for installation in low temperatures.

Accella Polyurethane Systems

Post date: 11/13/2017

TPU resin products
With their excellent physical and technical properties, Songstomer thermoplastic polyurethanes (TPUs) are ideally suited for extrusion and injection molding, and have been designed to improve the performance of end products ranging from automotive components to cables and wires (e.g., for flame retardant, transparent and high heat applications), according to the company. With its dedicated TPU testing laboratory, the firm is able to develop customized TPU grades according to specific customer needs. All of the high quality grades in the Songstomer series are said to meet the industry's stringent EH&S standards.


Post date: 11/13/2017

TPE replacement grades
Working replacements are offered for Kraton thermoplastic elastomer compounds. The company is said to understand that the right material is critical to product performance and offers thermoplastic elastomers that will drop in and run just like materials that are being re-qualified. The change in the TPE landscape has caused manufacturers to look at re-qualification and validation of material to safeguard compatibility with their processing parameters, according to the company. Manufacturers must document material equivalency and acceptance. Factors that can prompt re-qualification include change in manufacturing process; change in manufacturing sites; need for cost containment; change in manufacturing equipment; change in material; and/or change in knowledge base. Re-qualification of materials can be time-consuming and costly, according to the company. Many companies look to maximize their investment by expanding the material options that they put through the testing process. The firm offers working replacments for Kraton in the StarFlex, StarMed and DynaStar TPE lines.

Star Thermoplastic Alloys & Rubbers

Post date: 11/13/2017

Thermoplastic polyurethane
Texin thermoplastic polyurethane resins are used in soaker hoses to create a lightweight, kink resistant, long lasting polyurethane hose that also meets standards for potable water. Texin TPU is said to bridge the gap between rubber and plastics. Benefits are said to include natural flexibility in a wide temperature range without the addition of plasticizers or phthalates; does not sustain or support mold and mildew; excellent hydrolysis resistance; good abrasion resistance; and easy processing.

Covestro LLC

Post date: 11/13/2017

TPU material solutions
Thermoplastic polyurethane (TPU) materials are said to help to make life more active, healthy and comfortable. SmartLite PF 1560 TPU is said to be a super lightweight, high energy return TPU that can transform the comfort and performance of sports footwear. The low density, elastic material is 100% recyclable and has the potential to deliver an energy return of up to 50%. Various TPU grades from the company can be used to create waterproof textiles, which can help to make life at home more comfortable and clean. The company offers a variety of TPU grades that have received food contact material approval and are said to be ideally suited for use in the production of conveyor belts used in supermarkets and food processing.


Post date: 11/13/2017


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