Rubbers for Plastic Parts

Viton™ A-331C by Chemours is an intermediate viscosity, fluoroelastomer dipolymer grade consisting of hexafluoropropylene and vinylidene fluoride plus cure chemicals. It offers good mold flow, excellent storage stability, improved demolding hot tear resistance, good mold release with less mold fouling and good compression set resistance. It is fully precompounded with reduced curative level and incorporated process aid. It is suitable for processing by transfer molding, injection molding, compression molding and extrusion. Viton™ A-331C is suitable for O-rings, seals, gaskets, profile and extruded O-ring cord & hose applications.

Wevosil 23030 by Wevo-Chemie is a classic liquid silicone rubber (LSR). It offers higher strength and excellent mechanical properties, including elongation and tensile strength. After post-curing, the material exhibits good adhesion to substrates such as metals and plastics.

• It is suitable for applications with demanding requirements for long-term stability and temperature resistance.
• Wevosil 23030 is designed for silicone textile coatings and electronics.
• It is used for sealing as cured- or formed-in-place gaskets (CIPG or FIPG) in stacks and bipolar plates for fuel cells and electrolyzers.
• It is also suitable for attaching electronic components to clothing for added functionality.

Wevosil 23010 by Wevo-Chemie is extra-soft, self-adhesive liquid silicone rubber. It combines high elasticity with robustness, offering an elongation and tensile strength. Exhibits good processability, and temperature resistance. Provides good initial adhesion on textiles or polymer surfaces without the need for primers.

• It enables the manufacture of smart textiles, such as protective clothing for firefighters or soldiers, or sportswear with added functionality.
• Wevosil 23010 is designed for silicone textile coatings and sealing applications (CIPG/FIPG).
• It optimizes mechanical properties while ensuring high durability.
• It can also be used to permanently bond a textile layer and an embedded electronic.

Tecnoflon® PFR X6965M by Syensqo is a high temperature non-fluorosurfactant perfluoroelastomer (FFKM). It withstands extreme heat and delivers unmatched purity and reliability without the need for particle-causing fillers. It delivers exceptional sealing performance in the most demanding environments.

• It offers continuous operating temperatures up to 320°C, surpassing the capabilities of conventional FFKMs.
• It offers excellent resistance to fluorine, oxygen, and hydrogen plasmas.
• Tecnoflon® PFR X6965M has low stiction making it particularly well-suited for gate and isolation valve applications.

Viton™ GFLT-600S A by Chemours is a peroxide cured, 67% fluorine, low temperature fluoroelastomer with a gum polymer. It is based on new advanced polymer architecture (APA) and FWRD technologies. It is a terpolymer of perfluoromethylvinyl ether, vinylidene fluoride, tetrafluoroethylene, and a proprietary cure site monomer. It possesses excellent fluid resistance to aromatic hydrocarbons and alcohols, including methanol, ethanol, biodiesel, oils, hot water and steam, as well acids.

• It is compatible with latest EV fluids, (oils and coolants, transmission, and thermal fluids) as well as cooling systems used in hydrogen applications.
• It is ideal for low temperature applications.
• It provides excellent physical properties with high elongation, both original and aged in standard compounds and in formulations with no or low filler, even after aging.
• It offers excellent storage stability and outstanding compression set resistance with either low or no post-cure.
• It is ideal for blending with Viton™ GFLT-200S A to reach intermediate viscosity ranges for injection molding as well as with other FWRD APA grades (e.g., GBL-S A, GLT-S A).
• Viton™ GFLT-600S A is manufactured without fluorinated surfactant.

ELASTOSIL® eco LR 5003/60 A/B by Wacker is a non-post cure liquid silicone rubber (LSR). It is additionally post-cured to achieve greater strength. It enables cost-efficient and high volume production. It is designed for lifestyle products, drinking straws, baking tins, dough scrapers and other items.

• ELASTOSIL® eco LR 5003/60 A/B is suitable for processing by injection molding.
• It is easily pigment-able two-component grade with very low volatile content.
• It is produced in a resource-efficient manner and stem from plant-based methanol derived from non-fossil sources.
• It is recommended for food, dairy, molded parts and household applications.
• It meets the requirements of BfR and US FDA 21 CFR 177.2600.

Viton™ A-361C by Chemours is an intermediate viscosity, fluoroelastomer dipolymer grade consisting of hexafluoropropylene and vinylidene fluoride plus cure chemicals and metal adhesion promoter. It is fully precompounded with reduced curative level and improved processing. It offers excellent storage stability, good mold flow, improved demolding hot tear resistance, good mold release with less mold fouling, good fluid resistance and good heat resistance. Also offers good metal bonding with standard industrial primers. It is processed by transfer molding, injection molding and compression molding. Viton™ A-361C is suitable for O-rings, gaskets, valve stem and crankshaft seal applications.

NORDEL™ IP 3722P EPDM by Dow is a semi-crystalline, very low diene-containing ethylene propylene diene monomer (EPDM) with low molecular weight. It offers low viscosity, excellent processability, heat and UV stability. It provides low unsaturation and excellent resistance to heat and UV. It supports the global transition to a low-carbon economy.

• It can also be used in peroxide cured molded and other extruded applications.
• It is specially designed for medium voltage wire and cable applications and plastic modification.
• NORDEL™ IP 3722P EPDM is Halal, Kosher, complies with TSCA, FDA 21 CFR 177.2600, FDA 21 CFR 175.105, Regulation (EU) 10/2011, GB 4806.11-2023, GB 4806.1-2016, GB 4806.7-2023, GB 9685-2016, MERCOSUR, ANVISA, EU Directive 2011/65/EU (RoHS) and conforms to EU 94/62/EC, CONEG.

Viton™ Extreme™ ETP-600S by Chemours is fluoroelastomer. It is a copolymer of ethylene, tetrafluoroethylene, perfluoromethylvinyl ether and a cure site monomer. It exhibits excellent thermal resistance and unique resistance to chemicals & environments. This grade provides excellent storage stability, excellent resistance to acid, hydrocarbon, and low molecular weight esters, ketones, and aldehydes. Also, offers inherent resistance to base attack and volume changes in highly caustic solutions, amines & hot water and low-temperature flexibility. The compounds based on Viton™ Extreme™ ETP-600S can be used for mixing, preforming, and molding conventional fluoroelastomers.

Viton™ A-100 by Chemours is an ultralow-viscosity, dipolymer of hexafluoropropylene and vinylidene fluoride. It is especially designed for use with Viton™ Curative No.50.

• It offers excellent storage stability & mold release and good compression set resistance.
• It is suitable for processing by transfer molding, injection molding and extrusion.
• It can be blended with other Viton™ types to enhance processibility & rheology and improve flow.
• It is used for molding of complex shapes, such as gaskets and for solution coating applications such as fabric & tanks or chemical containers.