PMMA HI535韩国LG

PMMA HI535韩国LG----Specification level: high impact resistance, weather resistance

Appearance color: clear / transparent

Application: electronic display, lighting device, decoration design

Note: improved impact resistance, high impact resistance, good weather resistance

规格级别： 高抗冲, 耐候
外观颜色： 清晰/透明
产品用途： 电子显示器，照明装置，装饰设计
备注说明： 改良抗冲击性，高抗冲，耐气候影响性良好

Physical property table of hi535

Test method of physical performance rating unit

Specific gravity: 1.17 g / cm ASTM D792

Melting rate (230 ℃ / 3.8kg) 1.8g/10min ASTM d1238

Shrinkage (flow) 0.40-0.80% ASTM D955

Water absorption (24hr) 0.40% ASTM D570

Rockwell hardness (M scale) 59 ASTM d785

Mechanical properties - rating units - Test methods

Tensile strength (yield) 40.2 MPa ASTM D638

Elongation (yield) 90% ASTM D638

Bending modulus 1780 MPa ASTM D790

Bending strength (yield) 70.6 MPa ASTM D790

Notched impact strength of cantilever beam is 59 J / M ASTM D256

Thermal performance rating unit test method

Hot deformation temperature (1.8MPa, UN annealed) 80.0 ℃ ASTM D648

Coefficient of linear expansion (flow) 0.000070 cm / cm / ℃ ASTM d696

Optical performance rating unit test method

Refractive index: 1.490 ASTM d542

Tran***ittance (3000um) 92.0% ASTM d1003

Haze (3000um) 1.4% ASTM d1003

Yellowness index (3.00mm) 0.40 Yi ASTM d1925