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HRJ-10518
HRJ-10518 is a heat-reactive resin based on octylphenol and formaldehyde. It is explicitly developed to cure natural rubber and unsaturated elastomers.
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- Manufacturer: SI Group
- Product Line: SI Group Phenolic Resins
- Product: Reactive Phenolic Resins
- Industries: Adhesives
- Authorized Countries: Canada | United States
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Canada
United States
Overview
HRJ-10518 is excellent for use in curing natural rubber and unsaturated elastomers. It cross-links rubber through C-C bridges, providing inherent ozone resistance and heat resistance to cured rubber systems.
Due to its high reactivity, HRJ-10518 is a reliable choice for elastomeric systems where an increased cure rate or a low-temperature cure cycle is desired. HRJ-10518 features a low melting point for easy blending with rubber stock.
When combined with catalysts, such as halide-bearing elastomers and metallic chlorides, HRJ-10518 provides outstanding resistance to high dry heat and compression set.
Specifications
Physical form: Solid flakes
Specific gravity: 1.05
Softening point (ball and ring): 80°C–95°C
Methylol content: 6.0%–9.0%
Primary Chemistry: Octylphenol and formaldehyde phenolic resin
Features & Benefits
- 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
Problems Solved
Low reactivity in traditional phenolic resins Poor resistance to ozone or heat in adhesives Difficulties blending with rubber stocks
Applications
Natural rubber and unsaturated elastomers Rubber and elastomeric tapes Tire curing bags, conveyor belts, gaskets, and heat-resistant packings
Related Chemistries
Adhesives
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