Ticona HOSTAFORM POM XT 20是一款改良抗撞击性,抗撞击性良好,良好的柔韧性的聚甲醛(POM)共聚物.
Hostaform® acetal copolymer grade XT 20 is highly impact modifiedgrade for very demanding applications. Hostaform® XT 20 providesexceptional impact strength and flexibility over standard impactmodified acetal grades.
Chemical abbreviation according to ISO 1043-1: POM-HI
ISOData
Value | TestStandard | ||||||||||||
Density | kg/m³ | Meltvolume rate (MVR) | cm³/10min | MVRtest temperature | MVRtest load | kg | Moldshrinkage - parallel | % | Moldshrinkage - normal | Waterabsorption (23℃0.8 | ISO62 | ||
Mechanicalproperties | Unit | Tensilemodulus (1mm/min) | MPa | Tensilestress at yield (50mm/min) | Tensilestrain at yield (50mm/min) | Flexuralmodulus (23℃1100 | ISO178 | ||||||
kJ/m² | Charpyimpact strength @ -30℃NB | ISO179/1eU | |||||||||||
kJ/m² | Charpynotched impact strength @ -30℃15 | ISO179/1eA | |||||||||||
Thermalproperties | Meltingtemperature (10℃166 | ℃ISO11357-1,-2,-3 | |||||||||||
64 | ℃ISO75-1/-2 | ||||||||||||
124 | |||||||||||||
1.2 | Coeff.oflinear therm. expansion (normal) | E-4/℃ISO11359-2 | |||||||||||
Testspecimen production | Processingconditions acc. ISO | - |
3 )：<spancolor:#333333;"="" style="margin: 0px; padding: 0px; line-height:18.6667px; font-size: 10pt;">80 - 100 | ||||||||||
