Page 523 - Handbook of Adhesives and Sealants

Remarks Formulations available which are easy to apply because of low viscosity. Available in thixotropic form. Normally very brittle More commonly used as ad- hesives, but ha

Application methods GM, G, K, B GM, GP, K, S GM, B, S GM, GP, K GM, GP, K GM, GP, K, B, S

Pot life, hr 1 ⁄4–3 1 ⁄6–2 ......... Very long Very long 4–8

Curing time and temp range 1–8 hr at 75 F. Some formula- tions require 4–6 days. 1 ⁄2–3 hr at 150 F 1 ⁄2–8 hr at 75 F Varies, depend- ing on formula- tion and curing s

Curing characteristics Cures at room temperature because of addition of cur- ing agent (accelerator) or hardener. No fumes re- leased during epoxy polym- erization Thermosetti

Hardening Sealants, Rigid Type 1 Sealant form Two-part liquid Two-part liquid modified with polysulfide polymer Made in one- part emulsion, one-part sol- vent release, and

TABLE 12.1 Sealant base Epoxy ........... Modified epoxy . . . .......... Acrylic Oleoresin ........ Asphalt and ...... bituminous squeegee. S—spray.

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