NORYL Resin 731S NORYL 731S is an unfilled material, with a Vicat B/120 of 135C according ISO 306. NORYL 731S cust spec 1977 has been listed for potable water applications up to 85C by the UK WFBS according BS 6920 in limited colours. As of June 2007, this grade will no longer be supported with biocompatibility information and should not be used for medical applications which require biocompatibility. Alternative grade HN731SE. TYPICAL PROPERTIES (1) MECHANICAL Value Unit Standard Tensile Stress, yield, 50 mm/min 55 MPa ISO 527 Tensile Stress, break, 50 mm/min 50 MPa ISO 527 Tensile Strain, yield, 50 mm/min 5 % ISO 527 Tensile Strain, break, 50 mm/min 30 % ISO 527 Tensile Modulus, 1 mm/min 2300 MPa ISO 527 Flexural Stress, yield, 2 mm/min 75 MPa ISO 178 Flexural Modulus, 2 mm/min 2200 MPa ISO 178 IMPACT Value Unit Standard Izod Impact, notched 80*10*4 +23°C 15 kJ/m ISO 180/1A Izod Impact, notched 80*10*4 -30°C 5 kJ/m ISO 180/1A Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm 15 kJ/m ISO 179/1eA Charpy -30°C, V-notch Edgew 80*10*4 sp=62mm 5 kJ/m ISO 179/1eA THERMAL Value Unit Standard CTE, 23°C to 80°C, flow 7.E-05 1/°C ISO 11359-2 CTE, 23°C to 80°C, xflow 7.E-05 1/°C ISO 11359-2 Vicat Softening Temp, Rate B/50 135 °C ISO 306 Vicat Softening Temp, Rate B/120 140 °C ISO 306 HDT/Ae, 1.8 MPa Edgew 120*10*4 sp=100mm 115 °C ISO 75/Ae PHYSICAL Value Unit Standard Density 0.03 lb/in ISO 1183 Water Absorption, equilibrium, 73°F 0.23 % ISO 62 Moisture Absorption (23°C / 50% RH) 0.06 % ISO 62 Melt Volume Rate, MVR at 280°C/5.0 kg 8 cm/10 min ISO 1133 Parameter Injection Molding Value Unit Drying Temperature 210 - 250 °F Drying Time 2 - 3 hrs Melt Temperature 540 - 570 °F Nozzle Temperature 500 - 540 °F Front - Zone 3 Temperature 540 - 570 °F Middle - Zone 2 Temperature 500 - 540 °F Rear - Zone 1 Temperature 460 - 500 °F Hopper Temperature 140 - 180 °F Mold Temperature 180 - 250 °F 标签: 中山市食品级ppo 中山市食品级ppo厂家

中山市食品级ppo厂家
用于电热水壶的食品级PPO中山代理商731S