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HRJ-10518 is a heat-reactive resin that is based on octylphenol and formaldehyde. It is explicitly developed to cure natural rubber and unsaturated elastomers.
HRJ-10518 is excellent for use in curing natural rubber and unsaturated elastomers. It crosslinks rubber through C-C bridges, which provides an inherent ozone-resistant and heat-resistant to cured rubber system.
Due to its high reactivity, HRJ-10518 is a reliable choice for elastomeric systems where an increased rate of cure or a low-temperature cure cycle is desired. HRJ-10518 features a low melting point for an easy blend with rubber stock.
HRJ-10518 combined with catalysts such as halide-bearing elastomers and metallic chlorides to provide outstanding resistance to high dry heat and compression set.
Physical form: Solid flakes
Specific gravity: 1.05
Softening point (Ball and Ring): 80-95°C
Methylol content: 6.0-9.0%
Primary Chemistry: Octylphenol and formaldehyde phenolic resin
Highly reactive phenolic resin
Excellent ozone and heat resistance
Outstanding resistance to high dry heat and compression set
Low melting temperature and easily blended in rubber stocks
Low reactivity in traditional phenolic resins
Poor resistance to ozone and heat in adhesives
Difficulties blending with rubber stocks
Natural rubber and unsaturated elastomers
Rubber and elastomeric tapes
Tire curing bags, conveyor belts, gaskets, and heat resistant packings
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