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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

HDT1.82MPa

ASTM D648

125

Glass Transition Temperature

DSC

150

Molecular Weight×104

GPC

g/mol

10-12

Polydispersity

GPC

/

2.0

TVOC

VDA277

ppm

40

MFR2302.16Kg

ASTM D1238

g/10min

3±2


SMA-725 case study.pdf


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