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Product Info
Product Name
Brand Name
Usages
Properties
Certificates
POM C2521 CELANESE GERMANY
HOSTAFORM® 
Bottle cap、household electrical appl、Electrical applications、Automotive Applications
Hydrolysis resistance、High impact resistance、Oil resistant、antioxidant、Chemical resistance、Alkali resistant
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Plastic Datasheets

Basic performanceTest ConditionTest MethodCELANESE GERMANY/C2521
Water absorption rate23℃and50%RHISO 620.2 %
饱和23℃ISO 620.8 %
melt mass-flow rate1.5cmISO 11332.01 g/10min
densityISO 11831.34 g/cm
Mechanical propertiesTest ConditionTest MethodCELANESE GERMANY/C2521
tensile strength 50mm/min，屈服ISO 527 part 1/243 Mpa
Tensile creep modulus1000 hoursISO 899 part 11000 Mpa
elongation at break50mm/minISO 527 part 1/215 %
elongation50mm/minISO 527 part 1/212 %
Impact strength of simply supported beam without notch低温-30℃ISO 179 1eU5.0 J/cm
Charpy Notched Impact Strength23℃ISO 179 1eA0.5 J/cm
Tensile modulus1mm/minISO 527 part 1/22200 Mpa
Flexural modulusISO 1782000 Mpa
Impact strength of simply supported beam without notch23℃ISO 179 1eU5.0 J/cm
ball-indentation hardness30秒数值ISO 2039 part 1110 Mpa
Charpy Notched Impact Strength低温-30℃ISO 179 1eA0.45 J/cm
Tensile creep modulus1 hourISO 899 part 11800 Mpa
Electrical performanceTest ConditionTest MethodCELANESE GERMANY/C2521
Dissipation Factor1 MHzIEC 602500.007
低频100 HzIEC 602500.002
dielectric strengthIEC 60243 part 135 KV/mm
dielectric constant低频100 HzIEC 602503.80
1 MHzIEC 602503.80
Thermal performanceTest ConditionTest MethodCELANESE GERMANY/C2521
Linear coefficient of thermal expansion23-55℃ LongitudinalISO 11359 part 1/2140 µm/m-℃
melting temperatureDSC,10 K/minISO 3146 method C1b166 °C
Heat distortion temperature1.8MPa，HDTISO 75 part 1/284 °C
vicatVST/B/50ISO 306140 °C

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