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SP-1056
SP-1056 is a heat-reactive phenolic resin based on brominated octyl phenol-formaldehyde. It is similar to SP-1055 but with higher bromine content.
SP-1056 is a brominated phenolic resin that is heat reactive and contains methylol groups for cross-linking and curing. It offers a faster cure of butyl rubbers and other unsaturated elastomers without the need for halogen donors. SP-1056 prevents quick deterioration by curing or cross-linking.
SP-1056 can also be used for cross-link elastomers in manufacturing pressure-sensitive adhesives. It provides improved cohesive strength while imparting little color to the finished adhesive, allowing high-clarity film formation.
Specifications
Form: Solid flakes Specific gravity: 1.05 Softening point (ball and ring): 85°C–95°C Methylol content: 9.0%–11.0% Bromine content: 6.0%–7.5%
High-temperature stability Superior processing properties Exceptional scorch safety for a wide processing range Supplied in flaked form for easy handling Faster cure than SP-1055 due to the higher bromine content
Problems Solved
Scorch safety issues with phenolic resins Poor cohesive strength or color changes while curing rubber adhesives
Applications
Butyl rubbers and unsaturated elastomers Rubber and elastomeric pressure-sensitive adhesives
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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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