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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.
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- Manufacturer: SI Group
- Product Line: SI Group Phenolic Resins
- Product: Reactive Phenolic Resins
- Industries: Adhesives
- Authorized Countries: Canada | United States
Fulfilled By ChemPoint
Fulfilled By ChemPoint
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Authorized Countries
Canada
United States
Overview
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%
Primary Chemistry: Brominated octylphenol formaldehyde resin
Features & Benefits
- 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
Related Chemistries
Adhesives
Related Functions
Adhesives
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