RAS-302
Brand：Howin Weight：25kg/bag Supply Ability：300T/month
Product Description
Product Description
HOWIN® SMA-725 is a random copolymer of styrene and maleic anhydride. Its appearance is yellowish transparent granule.
Application
HOWIN® SMA-725 includes a mass of maleic anhydride group, which can be applied to:
² Heat resistant modifier for PMMA, maintaining PMMA’s optical transparency.
² Chain extender for PA, improving viscosity and mechanical strength of PA and PA+GF.
² Heat resistant modifier for ABS.
. Characteristics
Property | Test Method | Unit | Value |
Density | ASTM D792 | g/cm3 | 1.15 |
MAH content | Internal | wt% | 25±2 |
HDT（1.82MPa） | ASTM D648 | ℃ | 125 |
Glass Transition Temperature | DSC | ℃ | 150 |
Molecular Weight（×104） | GPC | g/mol | 10-12 |
Polydispersity | GPC | / | 2.0 |
TVOC | VDA277 | ppm | ＜40 |
MFR（230℃，2.16Kg） | ASTM D1238 | g/10min | 3±2 |
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