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Masil® SF 201

MASIL® SF 201 is a vinyl-terminated silicone polymer that may be heat-cured or room temperature cured (RTV).  It is normally cured with 2 to 4% by weight of MASIL® XL-1 Crosslinker system and a catalyst at 20 ppm that must be incorporated into the polymer, not the crosslinker. This polymer vulcanizes via an addition reaction and does not produce volatile gases during curing.  MASIL® SF 201 can be used as the base polymer in silicone elastomers to provide a noncorrosive protective shield against water, dirt and other harmful contaminants in mold-making rubber and electical / electronic encapsulation applications.

Details

Attribute Value
Typical Properties
Appearance Clear colorless liquid
Silicone Content (%) 100
Solids 97.5 - 100.0
Viscosity 850 - 1,150
Shelf Life (Mos) 24
Flash Point (F, PMCC) >300
Specific Gravity (25C) 0.965
Refractive Index 1.404
Iodine Value (%) 2.20 - 3.60
Water % 0.10 Max.
Application Group Application Description  
Adhesives Electrical and Electronic Adhesives In Electrical and electronic Adhesives it's used as the base polymer in silicone elastomers to provide a noncorrosive protective shield against water, dirt and other harmful contaminants.
Electronics Encapsulants Highly recommended, Used as the base polymer in silicone elastomers to provide a noncorrosive protective shield against water, dirt and other harmful contaminants in Encapsulants.
Plastics Mold making Used as the base polymer to provide structural properties in Mold making.
Rubber Mold making Used as the base polymer to provide structural properties in Mold making.
North American Format International GHS Format European (REACH) Format
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