Viton™ AL-300 is a low-viscosity gum fluoropolymer with improved low-temperature flexibility. Viton™ AL-300 is typically cured with Viton™ VC-50 curative.
Viton™ AL-300 is an AL-family fluoroelastomer gum that contains 66% fluorine and is composed of hexafluoropropylene (HFP), vinylidene fluoride (VF₂) and tetrafluoroethylene (TFE).
Viton™ AL-300 is the successor to Viton™ B-70N and has a lower viscosity, better flow, and improved mold release properties. Viton™ AL-300 is recommended for transfer, extrusion, and injection molding applications that require cold-temperature flexibility.
Physical form: Sheet
Appearance: Off-white
Odor: None
Nominal viscosity, ML1 + 10 at 121°C (250°F): Nominal 30
Specific gravity: 1.77
Storage stability: Excellent
Solubility: Low–molecular weight esters and ketones
Primary Chemistry: Terpolymer of hexafluoropropylene, vinylidene fluoride, and tetrafluoroethylene
Low-viscosity fluoroelastomer (FKM)
Enhanced compression set resistance
Improved low-temperature flexibility and properties
Resistance to mold fouling
Increased mold flow and processing properties
Wide range of temperature performance
Fluoroelastomers with low flexibility at low temperatures
Compatibility of fluoroelastomer gums with injection and transfer molding processes
Fuel injector O-rings, flanges, and FKM rubber parts
Molded parts that require low-temperature flexibility
Valve stem seals and elastomeric membranes
Air intake manifold gaskets and elastomers
Injection and transfer molding applications
Industrial coatings solutions and fabric coatings
Extruded cords, profiles, and tubing
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