Four p international pvt ltd offers various types of pulses. Dow corning 991 is a part of those products. It is medium-modulus electrometric sealant designed for weather-proofing sensitive porous stone and metal panel substrates. Dow corning 991 is used for sealing expansion and control joints, metal panel joints, curtain wall joints, joints between natural stone and perimeter seals around window frames. Salient features are as follows:
1. improved aesthetic performance reduces long-term residue rundown on metal panels and reflective glass or staining on porous substrates.
2. good working time and tooling time.
3. all-temperature ability from -29 to 50 degree c
[-20 to 122 degree f], permitting application in all seasons.
4. medium modulus, high movement capability - can accommodate +/_ 50 percent movement in a properly designed joint.
5. unprimed adhesion to most glass, granite, gfrc and fluropolymer painted substrates.
6. excellent weatherabilty, non-reverting silicone durability.
7. compatible with open-cell polyurethane, closed-cell polyethylene and non-gassing polyolefin backer rods.
