4420 QC Silicone
The workhorse of the film industry for more than a decade, 4420 QC is a RTV, platinum-catalyzed silicone with a 3 minute pot life and 12 minute cure that mixes at a 1:1 ratio. Examples of applications include:
- Moulding lifelike parts
- Creating quick reproduction moulds
- Animatronics; special effect skins
- Props for the film industry
- Theme park props
Key Benefits:
- Easy to use viscosity
- Translucent – can be pigmented
- Quick Cure
- Excellent reproduction of details
- Excellent mechanical properties
- Low linear shrinkage
- High resistance to inorganic chemicals and ultraviolet rays
A & B mixed
Method | Mix | |
---|---|---|
Hardness | ASTM D 2240 | 20 sh.A |
Pot life | ASTM C 603 | 2.75 min |
Elongation | ASTM D 412 | > 500 % |
Tear strength | > 56 lb/in | |
Tensile strength | ASTM D 412 | > 655 psi |