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Draft-Block is a one component expanding polyurethane foam sealant that expands to 3-times its original dispensed volume. It is designed to reduce heating and cooling costs by filling and insulating openings. Draft Block is an effective acoustical sealant and reduces sound transmission. Its dielectric formula will not transmit an electric current and adheres readily to wood, glass, metal, tile, concrete and most plastics.
RectorSeal® Draft-Block Expanding Polyurethane Foam, 12 oz Net Content, Aerosol Can Container, Beige, Slight Odor/Scent, Composition: <25% Polymethylenepolyphenylisocyanate, 1 to 15% Dimethyl Ether, 5 to 10% Propane, 1.1 Specific Gravity, 100 g/L VOC, Applicable Materials: Concrete, Glass, Metal, Most Plastics, Tile, Wood
| Applicable Materials | : | Concrete, Glass, Metal, Most Plastics, Tile, Wood |
| Color | : | Beige |
| Composition | : | <25% Polymethylenepolyphenylisocyanate, 1 to 15% Dimethyl Ether, 5 to 10% Propane |
| Container Type | : | Aerosol Can |
| Net Content | : | 12 oz |
| Odor/Scent | : | Slight |
| Specific Gravity | : | 1.1 |
| VOC Content | : | 100 g/L |
- Reduces heating and cooling costs by filling and insulating openings
- Reduces sound transmission - an effective acoustical sealant
- Tack-free approximately 45 min after being dispensed, cures to a firm resiliency in about 8 hr at 50% relative humidity
- Totally dielectric - will not transmit an electric current
- Expands to 3-times its original dispensed, R-factor of 5 at 1 in Thick
- 2 year shelf life
SDS