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商品详细描述

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
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