东莞市恒磊塑胶有限公司
POM THERMOCOMP KFZ24XXP
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 1.64 g/cc | 0.0592 lb/in3 | ASTM D792 |
1.64 g/cc | 0.0592 lb/in3 | ISO 1183 | |
Moisture Absorption | 0.100 % | 0.100 % | 50% RH, 24 hrs; ASTM D570 |
Linear Mold Shrinkage, Flow | 0.0066 cm/cm | 0.0066 in/in | 24 hrs; ISO 294 |
0.0070 cm/cm | 0.0070 in/in | 24 hrs; ASTM D955 | |
Linear Mold Shrinkage, Transverse | 0.013 cm/cm | 0.013 in/in | 24 hrs; ASTM D955 |
0.013 cm/cm | 0.013 in/in | 24 hrs; ISO 294 | |
Mechanical Properties | Metric | English | Comments |
Tensile Strength at Break | 105 MPa | 15200 psi | ASTM D638 |
109 MPa | 15800 psi | ISO 527 | |
Elongation at Break | 2.5 % | 2.5 % | ASTM D638 |
2.6 % | 2.6 % | ISO 527 | |
Flexural Strength | 165 MPa | 23900 psi | ASTM D790 |
171 MPa | 24800 psi | ISO 178 | |
Flexural Modulus | 7.58 GPa | 1100 ksi | ISO 178/1A |
9.40 GPa | 1360 ksi | ISO 178 | |
Izod Impact, Notched | 0.640 J/cm | 1.20 ft-lb/in | ASTM D256 |
Izod Impact, Unnotched | 5.34 J/cm | 10.0 ft-lb/in | ASTM D4812 |
Izod Impact, Notched (ISO) | 6.00 kJ/m2 | 2.86 ft-lb/in2 | 80*10*4; ISO 180/1A |
Izod Impact, Unnotched (ISO) | 36.0 kJ/m2 | 17.1 ft-lb/in2 | 80*10*4; ISO 180/1U |
Impact Test | 2.00 J | 1.48 ft-lb | Multiaxial Impact; ISO 6603 |
Instrumented Impact Energy at Peak | 10.0 J | 7.38 ft-lb | ASTM D3763 |
Tangent Modulus | 8540 MPa | 1.24e+6 psi | 50 mm/min; ASTM D638 |
8900 MPa | 1.29e+6 psi | 1 mm/min; ISO 527 |
POM THERMOCOMP KFZ24XXP 可提供COA、COC,ROHS.MSDS.UL黄卡等等资料,价格最优,质量保证!
特点
(1)POM加工前可不用干燥,最好在加工过程中进行预热(80℃左右),对产品尺寸的稳定性有好处.
(2) POM的加工温度很窄(0~215℃),在炮筒内停留时间稍长或温度超过220℃时就会分解,产生刺激性强的甲醛气体.
(3) POM料注塑时保压压力要较大(与注射压力相近),以减少压力降.螺杆转速不能过高,残量要少;
(4) POM产品收缩率较大,易产生缩水或变形.POM比热大,模温高(80~100℃),产品脱模时很烫,需防止烫伤手指.
(5) POM宜在“中压、中速、低料温、较高模温”的条件下成型加工,精密制品成型时需用控制模温
(6)具高机械强度和刚性
(7)最高的疲劳强度
(8)环境抵抗性、耐有机溶剂性佳
(9)耐反覆冲击性强,良好的电气性质,复原性良好,具自已润滑性、耐磨性良好,尺寸安定性优.
应用
.可代替大部分有色金属、汽车、机床、仪表内件、轴承、紧固件、齿轮、弹簧片、管道、运输带配件、电水煲、泵壳、沥水器、水龙头等.