BC-8340 Urethane Elastomer
BC-8340 is a two-part polyurethane molding system. BC-8340 is mixed one-to-one by volume (or 100 Iso Side A to 95 Curative Side B by weight) and cures at room temperature. BC-8340 contains no fillers and cures to a firm (Shore A40 4), medium amber rubber.
BC-8340 is used to make molds of detailed masters that contain moderate undercuts. Some of the most common uses are molds for point-of-purchase displays, rapid prototypes, special effects, taxidermy, and sculpture reproductions.
Product Features:
Property Iso Side A Curative Side B
Color Clear Light Amber
Mix Ratio by Weight 100 95
Mix Ratio by Volume 1 1
Shelf Life 6 Months 6 Months
Specific Gravity @ 75 F (24 C) 1.046 0.992
Density @75°F (24°C) 8.72 lb/gallon 8.27 lb/gallon
Viscosity @ 75 F (24 C), CPS 1100 350
