Dow 4 Catalyst is used with a liquid, silicone rubber base to create durable, flexible molds. 45 g Tube.
| Typical Use: | Used for potting and encapsulating electrical/electronic products and mold making; can be used as a catalyst for Dow 3110, 3112, and 3120. | 
| Color: | Beige | 
| Components: | 2 part | 
| Cure Time: | 3110: 20min; 3112: 20min; 3120: 30min | 
| Elongation: | 3110: 175%; 3112: 130%; 3120: 120% | 
| Flash Point: | >142 °C | 
| Hardness: | 3110: 45 A; 3112: 60 A; 3120: 60 A | 
| Mix Ratio: | 200:1 | 
| Service Temperature: | 3110: -55 to 200 °C; 3112: -55 to 250 °C; 3120: -55 to 300 °C | 
| Specific Gravity: | 3110: 1.14; 3112: 1.3; 3120: 1.45 | 
| Tensile Strength: | 3110: 400 psi; 3112: 700 psi; 3120: 900 psi | 
| Thermal Conductivity: | 3110: 5.7 x 10^-4; 3120: 7.5 x 10^-4 | 
| Viscosity: | 3110: 130; 3112: 280; 3110: 130 | 
| Working Time: | 3110: 5min; 3112: 5min; 3120: 5min |