Page 535 - Handbook of Adhesives and Sealants
P. 535
Application Characteristics (a) and Performance Capabilities (b) of Generic Classes of Sealants 2,3
(a) Application characteristics
Joint Adhesion to common building materials Shrinkage, Nonvolatiles, limits (unprimed) % weight % w d, in. 1 ⁄4 1 ⁄4 good 10–20 70–90 1 ⁄4 1 ⁄4 good 4 96–99 3
Cure type oxidation oxidation solvent rel. oxidation none thermoplastic water rel. water rel. solvent rel. solvent rel. solvent rel. catalyst cure catalyst cure
Generic type Butyl/polybutylene Emulsion acrylic (low One part polysulfide Two part polysulfide One part urethane Two part urethane Silicone structural (medium modulus)
TABLE 12.5 Oil base Oil resin base Butyl mastics Butyl curable Polyisobutylene Emulsion acrylic (high modulus) modulus) Hypalon Solvent acrylic Block copolymer Silicone

