阿科玛PMMA VM-100

阿科玛PMMA VM-100--物理性能

Physical properties rating system of units test method

Density 1.18 g / cm? ISO 1183

Melting rate (melt flow rate) (230 ° C / 3.8 kg) 15 g / 10 minISO 1133

Shrinkage - flow 0.20 to 0.60% ASTM D955

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

Hardness rating system of units test method

Rockwell hardness (M grade) 89 ASTM d785

Mechanical properties rating system of units test method

Tensile stress (yield, 23 ° C) 65.0 MPa ISO 527-2

Tensile strain (fracture, 23 ° C) 5.0% ISO 527-2

Bending modulus (23 ° C) 3100 MPa ISO 178

Bending stress (23 ° C) 97.0 MPa ISO 178

Compressive stress (23 ° C) 97.0 MPa ISO 604

Test method of impulse performance rating unit system

Notched impact strength of simply supported beam (23 ° C) 2.0 kJ/ M 2 ISO 179 / 2C

Notchless impact strength of simply supported beam (23 ° C) 11kJ / m ² ISO 179 / 2U

Notched impact strength of cantilever beam (23 ° C) 1.8 kJ / m ²ISO 180 / 1A

Thermal performance rating system of units test method

Thermal deformation temperature

0.45 MPa, not annealed 82.0 ° C ISO 75-2 / b

1.8 MPa, not annealed 77.0 ° C ISO 75-2 / A

Vicat softening temperature 90.0 ° C ISO 306 / b

Linear coefficient of thermal expansion flow (- 30 to 23 ° C)7.0e-5 cm / cm / ° C ASTM d696

Specific heat 2090 J / kg / ° C

Electrical performance rating system of units test method

Surface resistivity > 1.0e + 14 ohms ASTM D257

Volume resistivity > 1.0e + 15 ohms · cm ASTM D257

Dielectric strength: 20 kV / mm ASTM d149

Dielectric constant (60 Hz) 3.70 ASTM D150

Dissipation factor (1 MHz) 0.040 ASTM D150

Flammability rating system of units test method

UL flame retardant class HB UL 94

Optical properties - Rating - system of units - Test Method

Refractive index 1.490 ISO 489

Transmittance 92.0% ASTM d1003

Haze 0.50% ASTM d1003

Injection rating unit system

Drying temperature: 80.0 ° C

Drying time 4.0 HR

Processing (melt) temperature 200 ° C

Mold temperature 50.0 to 60.0 ° C