Dow DOWSIL™ PR-4040 Prime Coat Clear is a one component, dilute solution of silane coupling agents dispersed in heptane, that is used to increase the bonding of room temperature and heat curing silicones to a variety of surfaces such as glass, plastics, and metals. 2.7 kg Pail.
| Typical Use: | Used as a prime coat. |
| Brand: | DOWSIL |
| Color: | Clear |
| Flash Point: | -12.8 °C |
| Specific Gravity: | 0.74 @ 25 °C |
| Spray: | No |
| Viscosity: | 1 |