Page 524 - Handbook of Adhesives and Sealants

Curing time Toxicity during Application and temp Remarks application methods Pot life range Two-part Chemical reaction Systems (Catalyst-cured) Economical, handles easily. N

Hardening Sealants, Nonrigid (flexible) Type 1 Curing characteristics Thermosetting liquid polymer, cures at room temperature. El- evated temperature reduces cure time Thermose

TABLE 12.2 Sealant base Polysulfide ........ Polyurethane ...... Silicone ........... Modified epoxy ......... Neoprene Polysulfide ........ 454