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MS

Summary

Toyo MS is a styrene-methyl methacrylate copolymer : an excellent resin having a well-balanced combination of the good moldability, low water absorption coefficient and high refraction factor of polystyrene and the high transparency, good weather resistance, high hardness and other properties inherent in polymethyl methacrylate.

Applications

lenses, precision optical parts, Lighting fixture covers, medical devices, cosmetics cases, decorative panels, etc.

Varieties

Up to three type it can be compared.

MS-200 MS-300 MS-600
MS-200NT MS-500 MS-750
Features
Injection molding Injection molding Injection molding Injection molding Injection molding Injection molding
Extrusion sheeting Extrusion sheeting - Extrusion sheeting Extrusion sheeting Extrusion sheeting
MS-200 MS-200NT MS-300 MS-500 MS-600 MS-750
Melt mass-flow rate ISO 1133 g/10min 1.8 1.8 2.8 1.8 1.0 4.0
Vicat softening temperature
(load 50N)
ISO 306 ゚C 99 99 99 100 100 105
Heat deflection temperature
under 1.8MPa load
ISO 75-2 ゚C 79 79 79 79 79 83
Charpy impact strength (notched) ISO 179 kJ/m2 2.2 2.2 1.4 1.3 1.5 0.8
Tensile stress at yield ISO 527-1 MPa 58 58 59 72 77 74
Tensile strain at break ISO 527-1 % 3 3 3 4 5 4
Flexural strength ISO 178 MPa 110 100 106 103 110 107
Flexural modulus ISO 178 MPa 3420 3420 3350 3270 3350 3230
Refractive index JIS K 7142 % 1.57 1.57 1.56 1.55 1.53 1.52
Ball pressure test ICE 60695-10-2 ゚C 90 90 90 - 90 -
Flammability
(UL94 Classification)
UL 94 HB HB HB HB HB -

※All values and information shown above are subject to revision without notice, they are given here for reference only, and not as guaranteed values.
Please consult Toyo Styrene concerning specifications before any purchase or use of the product.

Details

Toyo MS (catalog)PDF

Further details of the catalog grade

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