Bluestar V-345 Silicone Rubber

Elkem (Bluestar) V-345 Silicone Rubber

Elkem (formerly Bluestar) V-345 is a 1:1 mix ratio version of our very popular V-340 silicone rubber. This material features high tear strength, long mold life, excellent detail reproduction, excellent release characteristics, as well as an improved resistance to cure inhibition. V-345 is an excellent choice for pattern shop, model shop, and prototype mold making.


Mix Ratio: 1:1 (by weight)
Pot Life: 90 minutes
Demold Time: 24 hours
Color: Beige
Hardness: 45 (Shore A)
Tensile Strength: 800 psi
Elongation: 425%
Tear Resistance: 150 ppi
Volumetric Yield: 23 cubic in/lb
Temperature Range: -65°F to 400°F
Elkem (Bluestar) V-345 1 KG Kit (2.2 lb.)
Elkem (Bluestar) V-345 5 KG Kit (11 lb.)