Plastics and elastomers for Sealants, Seals & Gaskets

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.

BACTOSTAT® TPE TE-637K by DragonChem is an engineering TPE with bacteria-repellent feature up to 99.999%.

• It is suitable for food-contact applications without leaching of biocides, nanoparticles and heavy metals.
• It shows good adhesion to PP and PE.
• BACTOSTAT® TPE TE-637K is recommended for household articles, valves, closures, seals, translucent soft articles and toys.

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.

ELVAX™ 760 Ethylene Vinyl Acetate Copolymer by Dow is an ethylene vinyl acetate (EVA) copolymer grade with good mechanical performance. It offers impact and puncture resistance. It contains butylated hydroxytoluene (BHT) antioxidant as a thermal stabilizer. It shows very good adhesion to PE.

• It is suitable for processing by injection molding, compounding, sheet & shape extrusion, structural foam molding, blow molding and wire coating.
• It can also be processed using conventional rubber processing techniques such as Banbury, two-roll milling and compression molding.
• It is recommended for wire & cables, adhesives, wax blends, sealants and industrial applications.
• ELVAX™ 760 Ethylene Vinyl Acetate Copolymer complies with TSCA, EU Directive 2011/65/EU (RoHS), EU Directive 2012/19/EU (WEEE), EN 71-3, FDA 21 CFR 175.1350 (a) and conforms to CONEG, EU 94/62/EC.

Viton™ A-200 by Chemours is a low viscosity, fluoroelastomer dipolymer grade consisting of hexafluoropropylene and vinylidene fluoride. It is designed for use with the clean molding bisphenol curative, Viton™ Curative No. 50. It offers improved mold flow, excellent storage stability, less mold fouling, better mold release and improved compression set resistance. It is suitable for processing by transfer molding, injection molding and extrusion. Viton™ A-200 is suitable for O-rings, valve stem seals & shaft seals, parts with complicated shapes, fuel hose, tubing and solution coating applications such as fabric & tanks or chemical containers.

Viton™ A-401C by Chemours is fluoroelastomer dipolymer grade consisting of hexafluoropropylene and vinylidene fluoride plus cure chemicals. It offers increased mold flow, excellent storage stability, less mold fouling, good mold release and increased cure rate.

• Also offers good chemical & heat resistance, good processability and good compression set resistance.
• It is fully precompounded with O-ring curative level.
• It is suitable for processing by compression molding and extrusion.
• Viton™ A-401C is suitable for cord, gaskets, seals, and profile applications. It can be formulated to meet fluoroelastomer specifications Mil-R-83248B, AMS 7276D, and AMS 7259A.

Elastollan® 1190 A by BASF is a uncolored polyether-polyurethane elastomer based grade. It is a recyclable grade and offers good elastic recovery with resistance over a wide range of temperatures. It exhibits excellent abrasion, impact, wear, tear and kink resistance, oil and grease resistance and excellent resistance to hydrolysis and microbiological attack. It provides good flexibility at low temperature, high tensile strength, elasticity and good damping behavior. It exhibits excellent toughness, transparency, very good low temperature flexibility, hydrolytic stability and fungus resistance. It is processed by injection molding and extrusion method. It is applicable for industrial and automotive cable sheathing and jacketing, connectors, plugs and terminations, spiral tubing, ski-boot shells, ear tags, technical moldings, e.g. mining screens, railway pads, seals. Elastollan® 1190 A complies with FDA food contact section, book 21, section 177.2600 and also has NSF Standard 61 “Water Contact Material” certification..

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.

VERSIFY™ 3000 Plastomer by Dow is a resin with a medium melt flow rate. Offers softness, low temperature performance and outstanding optical properties. Provides ease of processability, excellent sealability through contamination, excellent toughness and unique haptics.

• It shows compatibility with PP and PE and provides adhesion.
• It is suitable for blow film, cast film and BOPP.
• VERSIFY™ 3000 Plastomer is particularly suitable for BOPE structures.
• Recommended for various packaging applications such as fresh produce, meat & cheese, dry food, home & personal care and medical packaging.
• It is designed for recyclability and can be used in soft-shrink films.
• Complies with EU No. 10/2011, U.S FDA FCN 909 and U.S FDA 21 CFR 175.150(c).

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.