旭化成PMMA 70NH

旭化成PMMA 70NH--Special Grade for Light Guiding Plates

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Physical properties rating system of units test method

Density 1.19 g / cm? ISO 1183

Melting rate (melt flow rate) (230 ° C / 3.8 kg) 11 g / 10 minISO 1133

Spiral flow 40.0 cm internal method

Shrinkage 0.20 to 0.60% internal method

Water absorption (equilibrium, 23 ° C, 50% RH) 0.30% ISO 62

Hardness rating system of units test method

Rockwell hardness (M scale) 95 ISO 2039-2

Mechanical properties rating system of units test method

Tensile modulus 3300 MPa ISO 527-2 / 1A / 1

Tensile stress (fracture) 67.0 MPa ISO 527-2 / 1A / 5

Tensile strain (fracture) 5.0% ISO 527-2 / 1A / 5

Bending modulus 3200 MPa ISO 178

Bending stress 120 MPa ISO 178

Test method of impulse performance rating unit system

Notched impact strength of simply supported beam 1.2 kJ / M? ISO179 / 1ea

Notchless impact strength of simply supported beam 19 kJ / m ²ISO 179 / 1eu

Thermal performance rating system of units test method

Vicat softening temperature 105 ° C ISO 306 / B50

Heat Deflection Temperature 97 °C ISO 75-2

Optical properties - Rating - system of units - Test Method

Refractive index 1.490 ISO 489

Transmittance (total) 92.0% ISO 13468-1