SP-1045P is a heat-reactive resin similar to SP-1045 but supplied in pastille form.
SP-1045P is used to produce butyl vulcanizates with advanced resistance to high heat and compression set.
Vulcanizates cured with SP-1045P are non-blooming, non-staining, and ozone resistant.
Physical form: Solid flakes
Specific gravity: 1.04
Softening point (Ball and Ring): 80-95°C
Methylol content: 8.0-11.0%
Primary Chemistry: Octylphenol and formaldehyde phenolic resin
Heat reactive resin
Excellent resistance to heat and compression set
Enhanced ozone resistance
Non-blooming and non-staining
Poor resistance of butyl vulcanizates to heat and compression set
Low compatibility of phenolic resins when mixed with rubbers or elastomers
Tire curing bladders
Rubber conveyor belts and gaskets
Heat resistant packing compounds
Printing inks
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