SP-103 is a phenolic resin used for the manufacture of polychloroprene cement and adhesives because of its light color and ability to extend open time.
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SP-103 is an alkylphenol–formaldehyde resin explicitly developed for general-purpose and heat-activating polychloroprene cement. It extends the tack life of polychloroprene contact cement. SP-103 increases films’ adhesion and cohesive strength to metal and glass. It is also used in rubber-based adhesives, including NBR, SBR, natural, and reclaimed rubbers.
Form: Solid flakes
Specific gravity: 1.10
Softening point (ball and ring): 87°C–95°C
Methylol content: 8.0%–11.0%
Primary Chemistry: Alkylphenol–formaldehyde resin
Compatibility issues of phenolic resins with polychloroprene or nitrile rubbers Short life of tackiness in cements or adhesives Adhesion issues of adhesives or contact cement to glass and metals
Polychloroprene contact cement NBR, SBR, natural, and reclaimed rubber Adhesives
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