Expendable Pattern Casted Granules

Availability: In Stock
Chemical components: Copolymerization of 30%styrene and 70%MMA​
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Expendable pattern casted Granules

STMMA is series contains less carbon molecules than EPS, so it can reduce or eliminate fold defects and excessive lustrous carbon in castings which has been proved by our users in China and American such as BMW,GM,and Anhui QuanChai Engine.

*The STMMA series contains addtives such as Organic Bromide to help the pattern evaporation when injecting molten metal,or have an anti-static or mould release functions.It is appropriate for use in dehydrating gases in both thermally regenerative and pressure swing adsorption (PSA) process.

STMMA Spec.

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