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Copolymer of STMMA

Copolymer of STMMA. Expandable Styrene/MMA copolymer beads. castchem. STMMA is through Styrene and methyl methacrylate polymer one-step polymerization generated. These products are really have application in lost foam erea.

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Copolymer of STMMA

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  1. Copolymer of STMMA Expandable Styrene/MMA copolymer beads

  2. castchem • STMMA is through Styrene and methyl methacrylate polymer one-step polymerization generated. These products are really have application in lost foam erea. • STMMA’s carbon usually ≤ 0.06%, carburetting defects much less than EPS. • Best use date in three months on 25℃ normal temperature.

  3. Diameter classification table

  4. Proportion table

  5. Difference of STMMA and EPS • By STMMA is composed of methyl methacrylate and styrene. • Compared with EPS, STMMA series foamable copolymer resin beads have much excellent casting performances: Reducing carbon defect of castings;Reducing carburization defect on surface of steel castings;Reducing smoke carbon;Improving surface finish of castings.

  6. Expansion curve graph on 105℃

  7. The relation bewteen model shrinkage and temperature

  8. Our new product for Aluminum alloy casting---FD • EPS is extremely backward, we won't say it again. Our factory developed specifically to adapt to the aluminum alloy casting product---FD, it burns more fully than EPS, Carbon defects was less, foaming proportion lighter, only half price of the STMMA.

  9. Burning

  10. contact • Add:148#Zhang jia dun road,Tangqi, Hangzhou, China. • Post code: 311106 • Mob:+0086-18868775688 • Tel:+0086-571-89021292 • Fax: +0086-571-86381739 • Email: market@china-castchem.com • Http: www.china-castchem.com • Complaints Email: ling@china-castchem.com

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