Styrene Butadiene Rubber (SBR) Heffco 230P

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Styrene Butadiene Rubber (SBR) (30 mesh crumb rubber) powder with 27% polymer content and 18% acetone expandable.

This material data has been provided by Heffco Elastomers Inc..

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts




Moisture absorption

2 %

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Relative density

1.3 - 1.5 [-]

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Ash content

55.0 %

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Technological properties

Particle size range table

100% passing 30 mesh