Sumitomo Bakelite Durez® 29421 Phenolc Resin

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Sumitomo Bakelite Durez® 29421 Phenolc Resin
Categories:	Polymer; Thermoset; Phenolic
Material Notes:	Durez 29421 is an oil-soluble, thermoplastic tackifier resin supplied in flake form. Durez 29421 is recommended to be used in tire manufacturing for tread and butt splicing cements. Durez 29421 is compatible with various synthetic elastomers including SBR, Butyl, Chlorobutyl, cis-Polybutadiene, SBR-BR blends, Polyisoprene, NBR and Neoprene rubbers. When used with these elastomers or elastomer blends, it functions as both a plasticizer and a tackifier imparting excellent building tack properties to tire and mechanical goods compounds employing plied-up construction. Information provided by Sumitomo Bakelite High Performance Plastics (sbhpp)
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Physical Properties	Original Value	Comments

Thickness	110 mil	Flake; DCT 0454

Thermal Properties	Original Value	Comments
Ring & Ball Softening Point	91.5 °C	DCT 104

Descriptive Properties
Appearance	Amber Flake

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PSUMIT238 / 194043

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