FRJ-551 is a heat-reactive alkyl phenolic resin that is excellent for use in polychloroprene contact adhesives.
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FRJ-551 is heat reactive and designed for use in polychloroprene-based contact adhesives. It imparts low initial viscosity and maintains viscosity stability.
Contact adhesives typically depend on the interaction between the elastomer and metal oxides to develop high cohesive strength at room and elevated temperatures. FRJ-551 is an excellent choice for such types of adhesives.
Physical form: Solid flakes
Specific gravity: 1.03
Softening point (ball and ring): 100°C–110°C
Methylol content: 12.0%–16.0%
Primary Chemistry:
Alkyl phenolic resin
High initial viscosity in polychloroprene adhesive formulations
Viscosity stability issues in contact adhesives
Low cohesive strength at elevated temperatures
Polychloroprene adhesives
Contact adhesive formulations
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