POM 111P,杜邦,减少翘曲,减少空隙

材料说明:聚甲醛是一种®111p提高热稳定性和更精确成型的修改高粘度缩醛均聚物(减少翘曲,减少空隙)。它比美国®100P较高的拉伸强度和模量。
 POM 111P 的物性表:
 
Physical Properties Metric English Comments
Specific Gravity  1.42 g/cc 1.42 g/cc ASTM D792
Density  1.42 g/cc 0.0513 lb/in³ ISO 1183
Water Absorption   0.30 %
@Temperature 23.0 °C
0.30 %
@Temperature 73.4 °F
Immersion 24h; ASTM D570
  1.0 %
@Temperature 23.0 °C
1.0 %
@Temperature 73.4 °F
Saturation, immersed; ISO 62, Similar to
Linear Mold Shrinkage   0.017 - 0.020 cm/cm
@Thickness 3.20 mm
0.017 - 0.020 in/in
@Thickness 0.126 in
Transverse, 24h; ASTM D955
  0.018 - 0.021 cm/cm
@Thickness 3.20 mm
0.018 - 0.021 in/in
@Thickness 0.126 in
Flow, 24h; ASTM D955
Linear Mold Shrinkage, Flow 0.018 - 0.021 cm/cm
@Thickness 4.00 mm
0.018 - 0.021 in/in
@Thickness 0.157 in
Parallel, 24h; ISO 294-4
  0.021 cm/cm
@Thickness 2.00 mm
0.021 in/in
@Thickness 0.0787 in
ISO 294-4
Linear Mold Shrinkage, Transverse   0.019 cm/cm
@Thickness 2.00 mm
0.019 in/in
@Thickness 0.0787 in
ISO 294-4
  0.018 - 0.021 cm/cm
@Thickness 4.00 mm
0.018 - 0.021 in/in
@Thickness 0.157 in
Normal, 24h; ISO 294-4
Melt Flow   1.0 g/10 min
@Load 1.05 kg,
Temperature 190 °C
1.0 g/10 min
@Load 2.31 lb,
Temperature 374 °F
ASTM D1238
  2.4 g/10 min
@Load 2.16 kg,
Temperature 190 °C
2.4 g/10 min
@Load 4.76 lb,
Temperature 374 °F
ISO 1133
Melt Index of Compound  1.9 g/10 min
@Load 2.16 kg,
Temperature 190 °C
1.9 g/10 min
@Load 4.76 lb,
Temperature 374 °F
cm3/10 min; ISO 1133
 
Mechanical Properties Metric English Comments
Hardness, Rockwell M  92 92 ISO 2039/2
Hardness, Rockwell R  120 120 ISO 2039/2
  121 121 ASTM D785
Tensile Strength  72.0 MPa
@Temperature 23.0 °C
10400 psi
@Temperature 73.4 °F
5mm/min (0.2in/min); ASTM D638
Tensile Stress   60.799 MPa
@Strain 2.8574 %,
Temperature -40.0 °C
8818.2 psi
@Strain 2.8574 %,
Temperature -40.0 °F
ISO 527
  87.176 MPa
@Strain 5.7149 %,
Temperature -40.0 °C
12644 psi
@Strain 5.7149 %,
Temperature -40.0 °F
ISO 527
  94.877 MPa
@Strain 8.5723 %,
Temperature -40.0 °C
13761 psi
@Strain 8.5723 %,
Temperature -40.0 °F
ISO 527
  96.84 MPa
@Strain 11.43 %,
Temperature -40.0 °C
14050 psi
@Strain 11.43 %,
Temperature -40.0 °F
ISO 527
  97.432 MPa
@Strain 14.287 %,
Temperature -40.0 °C
14131 psi
@Strain 14.287 %,
Temperature -40.0 °F
ISO 527
  97.672 MPa
@Strain 17.145 %,
Temperature -40.0 °C
14166 psi
@Strain 17.145 %,
Temperature -40.0 °F
ISO 527
  98.055 MPa
@Strain 20.002 %,
Temperature -40.0 °C
14222 psi
@Strain 20.002 %,
Temperature -40.0 °F
ISO 527
  98.733 MPa
@Strain 22.86 %,
Temperature -40.0 °C
14320 psi
@Strain 22.86 %,
Temperature -40.0 °F
ISO 527
  99.053 MPa
@Strain 25.717 %,
Temperature -40.0 °C
14366 psi
@Strain 25.717 %,
Temperature -40.0 °F
ISO 527
  99.549 MPa
@Strain 28.574 %,
Temperature -40.0 °C
14438 psi
@Strain 28.574 %,
Temperature -40.0 °F
ISO 527
Tensile Strength, Yield  72.0 MPa
@Temperature 23.0 °C
10400 psi
@Temperature 73.4 °F
5mm/min (0.2in/min); ASTM D638
  72.0 MPa
@Temperature 23.0 °C
10400 psi
@Temperature 73.4 °F
ISO 527
Elongation at Break  40 %
@Temperature 23.0 °C
40 %
@Temperature 73.4 °F
nominal; ISO 527
  50 %
@Temperature 23.0 °C
50 %
@Temperature 73.4 °F
ISO 527
  73 %
@Temperature 23.0 °C
73 %
@Temperature 73.4 °F
5mm/min (0.2in/min); ASTM D638
Elongation at Yield  20 %
@Temperature 23.0 °C
20 %
@Temperature 73.4 °F
ISO 527
  21 %
@Temperature 23.0 °C
21 %
@Temperature 73.4 °F
5mm/min (0.2in/min); ASTM D638
Tensile Modulus  3.00 GPa
@Temperature 23.0 °C
435 ksi
@Temperature 73.4 °F
5mm/min (0.2in/min); ASTM D638
  3.20 GPa
@Temperature 23.0 °C
464 ksi
@Temperature 73.4 °F
ISO 527
Flexural Strength  80.0 MPa
@Strain 3.50 %,
Temperature 23.0 °C
11600 psi
@Strain 3.50 %,
Temperature 73.4 °F
ISO 178
  92.0 MPa
@Strain 5.00 %,
Temperature 23.0 °C
13300 psi
@Strain 5.00 %,
Temperature 73.4 °F
ASTM D790
Flexural Modulus  2.90 GPa
@Temperature 23.0 °C
421 ksi
@Temperature 73.4 °F
ISO 178
  2.97 GPa
@Temperature 23.0 °C
431 ksi
@Temperature 73.4 °F
ASTM D790
Izod Impact, Notched  0.960 J/cm
@Temperature 23.0 °C
1.80 ft-lb/in
@Temperature 73.4 °F
ASTM D256
Izod Impact, Unnotched  NB
@Temperature 23.0 °C
NB
@Temperature 73.4 °F
ASTM D4812
Izod Impact, Notched (ISO)   11.0 kJ/m²
@Temperature -40.0 °C
5.23 ft-lb/in²
@Temperature -40.0 °F
ISO 180/1A
  11.0 kJ/m²
@Temperature 23.0 °C
5.23 ft-lb/in²
@Temperature 73.4 °F
ISO 180/1A
Charpy Impact Unnotched  27.0 J/cm²
@Temperature -30.0 °C
128 ft-lb/in²
@Temperature -22.0 °F
ISO 179/1eU
  30.0 J/cm²
@Temperature 23.0 °C
143 ft-lb/in²
@Temperature 73.4 °F
ISO 179/1eU
Charpy Impact, Notched   0.900 J/cm²
@Temperature -30.0 °C
4.28 ft-lb/in²
@Temperature -22.0 °F
ISO 179/1eA
  1.10 J/cm²
@Temperature 23.0 °C
5.23 ft-lb/in²
@Temperature 73.4 °F
ISO 179/1eA
Tensile Creep Modulus, 1 hour  3000 MPa
@Temperature 23.0 °C
435000 psi
@Temperature 73.4 °F
ISO 899
Tensile Creep Modulus, 1000 hours  1700 MPa
@Temperature 23.0 °C
247000 psi
@Temperature 73.4 °F
ISO 899
 
Electrical Properties Metric English Comments
Volume Resistivity  8.00e+14 ohm-cm
@Temperature 23.0 °C
8.00e+14 ohm-cm
@Temperature 73.4 °F
ASTM D257
Surface Resistance  6.00e+14 ohm
@Temperature 23.0 °C
6.00e+14 ohm
@Temperature 73.4 °F
ASTM D257
Dielectric Constant  3.7
@Frequency 1.00e+6 Hz,
Temperature 23.0 °C
3.7
@Frequency 1.00e+6 Hz,
Temperature 73.4 °F
ASTM D150
Dielectric Strength  18.0 kV/mm
@Thickness 3.20 mm,
Temperature 23.0 °C
457 kV/in
@Thickness 0.126 in,
Temperature 73.4 °F
Short Time; ASTM D149
Dissipation Factor  0.0050
@Frequency 1.00e+6 Hz,
Temperature 23.0 °C
0.0050
@Frequency 1.00e+6 Hz,
Temperature 73.4 °F
ASTM D150
Comparative Tracking Index  600 V
@Temperature 23.0 °C
600 V
@Temperature 73.4 °F
IEC 60112
  600 V
@Thickness 3.00 mm,
Temperature 23.0 °C
600 V
@Thickness 0.118 in,
Temperature 73.4 °F
UL 746A
 
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow  500 µm/m-°C
@Temperature 23.0 - 55.0 °C
278 µin/in-°F
@Temperature 73.4 - 131 °F
ASTM E 831
  500 µm/m-°C
@Temperature -40.0 - 23.0 °C
278 µin/in-°F
@Temperature -40.0 - 73.4 °F
ISO 11359-1/-2
  500 µm/m-°C
@Temperature 23.0 - 55.0 °C
278 µin/in-°F
@Temperature 73.4 - 131 °F
ISO 11359-1/-2
  500 µm/m-°C
@Temperature 55.0 - 100 °C
278 µin/in-°F
@Temperature 131 - 212 °F
ISO 11359-1/-2
CTE, linear, Transverse to Flow  94.0 µm/m-°C
@Temperature -40.0 - 23.0 °C
52.2 µin/in-°F
@Temperature -40.0 - 73.4 °F
ISO 11359-1/-2
  110 µm/m-°C
@Temperature 23.0 - 55.0 °C
61.1 µin/in-°F
@Temperature 73.4 - 131 °F
ASTM E 831
  110 µm/m-°C
@Temperature 23.0 - 55.0 °C
61.1 µin/in-°F
@Temperature 73.4 - 131 °F
ISO 11359-1/-2
  140 µm/m-°C
@Temperature 55.0 - 100 °C
77.8 µin/in-°F
@Temperature 131 - 212 °F
ISO 11359-1/-2
Melting Point  178 °C 352 °F 10°C/min; ISO 11357-1/-3
  178 °C 352 °F ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)  165 °C 329 °F ISO 75-1/-2
  169 °C 336 °F Not Annealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)  100 °C 212 °F ISO 75-1/-2
  110 °C 230 °F Not Annealed; ASTM D648
  115 °C 239 °F Annealed; ISO 75-1/-2
UL RTI, Electrical  110 °C
@Thickness 3.00 mm
230 °F
@Thickness 0.118 in
UL 746B
  110 °C
@Thickness 1.50 mm
230 °F
@Thickness 0.0591 in
UL 746B
UL RTI, Mechanical with Impact  85.0 °C
@Thickness 1.50 mm
185 °F
@Thickness 0.0591 in
UL 746B
  90.0 °C
@Thickness 3.00 mm
194 °F
@Thickness 0.118 in
UL 746B
UL RTI, Mechanical without Impact  90.0 °C
@Thickness 1.50 mm
194 °F
@Thickness 0.0591 in
UL 746B
  95.0 °C
@Thickness 3.00 mm
203 °F
@Thickness 0.118 in
UL 746B
Flammability, UL94  HB
@Thickness 1.50 mm
HB
@Thickness 0.0591 in
IEC 60695-11-10
  HB
@Thickness 3.00 mm
HB
@Thickness 0.118 in
IEC 60695-11-10
  HB
@Thickness 3.00 mm
HB
@Thickness 0.118 in
UL94
  HB
@Thickness 1.50 mm
HB
@Thickness 0.0591 in
UL94
Oxygen Index  17 % 17 % ISO 4589-1/-2
 
Processing Properties Metric English Comments
Melt Temperature  215 °C 419 °F Optimum; Injection Molding
  210 - 220 °C 410 - 428 °F Injection Molding
Mold Temperature  90.0 °C 194 °F optimum; Injection Molding
  80.0 - 100 °C 176 - 212 °F Injection Molding
Drying Temperature  80.0 °C 176 °F Injection Molding
Dry Time  2.00 - 4.00 hour 2.00 - 4.00 hour Injection Molding
Moisture Content  <= 0.20 % <= 0.20 % Injection Molding
 
Descriptive Properties
Appearance Natural Color  
Drying Recommended Not normally required unless moisture content of resin exceeds recommended level  
Extrudable - Cast Film Yes  
Extrudable - Sheet Yes  
Extrudable - Tubing Yes  
Extrudable - Wire and Cable Yes  
Features Creep Resistance, Good  
  Dimensional Stability, Good  
  Fatigue Resistant  
  Homopolymer  
  Impact Resistance, High  
  Molecular Wt., High  
  Stiffness, High  
  Strength, High  
  Toughness, Good  
  Viscosity, High  
Forms Pellets  
Generic Acetal (POM) Homopolymer  
Material Status Current  
Part Marking Code >POM< ISO 11469
Polymer Family POM  
Polymer Type POM Homopolymer  
Processing Method Injection Molding  
Product Category Unreinforced Resins  
Region Available - Global Yes  
Resin Identification POM ISO 1043
RoHS Compliance Contact Manufacturer  
Ultrasonic Weldable Yes  
Uses Conveyors  
  Fasteners  
  Gears  
  Housings  
  Parts, Engineering  
  Sheet  
  Tubing
POM 的简介 
聚甲醛是一种表面光滑,有光泽的硬而致密的材料,淡黄或白色,可在-40- 100°C温度范围内长期使用。它的耐磨性和自润滑性也比绝大多数工程塑料优越,又有良好的耐油,耐过氧化物性能。很不耐酸,不耐强碱和不耐紫外线的辐射。
 
POM 物理性质
聚甲醛的拉伸强度达70MPa,吸水性小,尺寸稳定,有光泽,这些性能都比尼龙好,聚甲醛为高度结晶的树脂,在热塑性树脂中是最坚韧的。具抗热强度,弯曲强度,耐疲劳性强度均高,耐磨性和电性能优良。
 
POM 聚甲醛的性能:   
  性 能 数 值   
  比重 1.43  
  熔点 175°C    
  伸强度(屈服) 70MPa   
  伸长率(屈服) 15%  
  (断裂) 15%   
  冲击强度(无缺口) 108KJ/m2  
  (带缺口) 7.6KJ/m2
 
应用范围 
POM属结晶性塑料,熔点明显,一旦达到熔点,熔体粘度迅速下降。当温度超过一定限度或熔体受热时间过长,会引起分解。
POM具有较好的综合性能,在热塑性塑料中是最坚硬的,是塑料材料中力学性能最接近金属的品种之一,其抗张强度、弯曲强度、耐疲劳强度,耐磨性和电性都十分优良,可在-40度--100度之间长期使用。
 
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参考图如下:
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