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TPU 985 COVESTRO GERMANY
Desmopan® 
Engineering accessories
wear resistant,High transparency
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Plastic Datasheets

hardnessTest ConditionTest MethodCOVESTRO GERMANY/985
Shore hardnessShoreAISO 86885
ShoreAASTM D224085
Supplementary InformationTest ConditionTest MethodCOVESTRO GERMANY/985
CompressiveLoad5%DeflectionASTM D5751.03 Mpa
15%DeflectionASTM D5753.10 Mpa
20%DeflectionASTM D5754.31 Mpa
2%DeflectionASTM D5750.345 Mpa
10%DeflectionASTM D5752.07 Mpa
50%DeflectionASTM D57516.5 Mpa
25%DeflectionASTM D5755.52 Mpa
thermal performanceTest ConditionTest MethodCOVESTRO GERMANY/985
Brittle temperatureISO 974<-68.0 °C
ASTM D746<-68.0 °C
Glass transition temperatureDMA-46.0 °C
Vicat softening temperatureISO 306/5080.0 °C
ASTM D1525480.0 °C
mechanical propertiesTest ConditionTest MethodCOVESTRO GERMANY/985
Bending modulus-30°CASTM D79059.0 Mpa
-30°CISO 17859.0 Mpa
23°CISO 17826.9 Mpa
23°CASTM D79026.9 Mpa
Taber abraser1000Cycles,1000g,H-18WheelISO 464930.0 mg
1000Cycles,1000g,H-18WheelASTM D104430.0 mg
Physical propertiesTest ConditionTest MethodCOVESTRO GERMANY/985
Shrinkage rateMD：2.54mmASTM D9550.80 %
TD:2.54mmISO 25770.80 %
MD:2.54mmISO 25770.80 %
TD：2.54mmASTM D9550.80 %
agingTest ConditionTest MethodCOVESTRO GERMANY/985
Change rate of hardness (Shore) in the airShoreD,100°C,336hr,inASTM#1OilASTM D471-9.0
ShoreD,23°C,336hr,inReferenceFuelCASTM D471-10
ShoreD,23°C,504hr,inReferenceFuelCASTM D471-9.0
ShoreD,23°C,168hr,inReferenceFuelCASTM D471-8.0
ShoreD,100°C,504hr,inASTM#3OilASTM D471-15
ShoreD,100°C,70hr,inASTM#3OilASTM D471-10
ShoreD,125°C,336hrASTM D573-7.0
ShoreD,125°C,336hrISO 216-7.0
ShoreD,100°C,336hr,inASTM#3OilASTM D471-14
ShoreD,23°C,168hr,inReferenceFuelA(Isooctane)ASTM D471-1.0
ShoreD,100°C,336hrISO 216-4.0
ShoreD,23°C,70hr,inReferenceFuelA(Isooctane)ASTM D471-2.0
ShoreD,100°C,70hrISO 216-4.0
ShoreD,100°C,504hr,inASTM#1OilASTM D471-82
ShoreD,100°C,168hrASTM D573-5.0
ShoreD,100°C,168hr,inASTM#1OilASTM D471-8.0
ShoreD,100°C,70hr,inASTM#1OilASTM D471-8.0
ShoreD,23°C,504hr,inReferenceFuelA(Isooctane)ASTM D471-1.0
支撐D,125°C,168hrISO 216-5.0
ShoreD,100°C,168hrISO 216-5.0
ShoreD,100°C,504hrISO 216-4.0
支撐D,125°C,168hrASTM D573-5.0
ShoreD,125°C,504hrASTM D573-7.0
ShoreD,100°C,504hrASTM D573-4.0
ShoreD,125°C,70hrISO 216-5.0
ShoreD,125°C,504hrISO 216-7.0
ShoreD,23°C,70hr,inReferenceFuelCASTM D471-8.0
ShoreD,125°C,70hrASTM D573-5.0
ShoreD,100°C,70hrASTM D573-4.0
ShoreD,100°C,168hr,inASTM#3OilASTM D471-13
ShoreD,100°C,336hrASTM D573-4.0
ShoreD,23°C,336hr,inReferenceFuelA(Isooctane)ASTM D4710.0
Change rate of tensile strength in air300%Strain,23°C,168hr,inReferenceFuelA(Isooctane)ASTM D4713.0 %
100°C,70hrASTM D5734.0 %
23°C,70hr,inReferenceFuelA(Isooctane)ASTM D471-4.0 %
100°C,70hr,在ASTM#1油中BTM 00117-8.0 %
300%Strain125°C,70hrISO 21620 %
300%Strain,125°C,336hrASTM D573-8.0 %
100%Strain,125°C,70hrASTM D5734.0 %
300%Strain,100°C,336hr,inASTM#3OilBTM 0011710 %
100%Strain,100°C,336hr,inASTM#3OilBTM 00117-16 %
100%Strain100°C,504hrISO 216-10 %
300%Strain,23°C,336hr,inReferenceFuelCASTM D471-14 %
100%Strain100°C,70hrISO 216-10 %
100°C,336hrISO 2163.0 %
300%Strain,23°C,504hr,inReferenceFuelCASTM D471-10 %
100%Strain,100°C,70hr,inASTM#3OilASTM D471-20 %
300%Strain,23°C,168hr,inReferenceFuelCASTM D471-4.0 %
300%Strain,100°C,168hr,inASTM#1OilBTM 0011714 %
100%Strain,100°C,504hr,inASTM#1OilBTM 00117-3.0 %
100%Strain,100°C,336hr,inASTM#3OilASTM D471-16 %
100°C,168hrASTM D5737.0 %
300%Strain100°C,504hrISO 21615 %
100%Strain,23°C,504hr,inReferenceFuelA(Isooctane)BTM 001177.0 %
300%Strain,125°C,504hrASTM D573-10 %
300%Strain,125°C,168hrASTM D5738.0 %
100%Strain,125°C,336hrASTM D573-16 %
125°C,504hrASTM D573-70 %
100°C,168hr,inASTM#1OilASTM D471-24 %
100°C,168hr,inASTM#1OilBTM 00117-24 %
300%Strain,23°C,336hr,inReferenceFuelA(Isooctane)BTM 001172.0 %
300%Strain,23°C,168hr,inReferenceFuelCBTM 00117-4.0 %
300%Strain,23°C,504hr,inReferenceFuelCBTM 00117-10 %
100%Strain,23°C,168hr,inReferenceFuelA(Isooctane)BTM 001170.0 %
100%Strain,100°C,336hrASTM D5732.0 %
100%Strain,100°C,70hrASTM D573-10 %
125°C,70hrISO 216-37 %
100°C,336hrASTM D5733.0 %
300%Strain,100°C,336hr,inASTM#1OilASTM D47125 %
300%Strain,23°C,336hr,inReferenceFuelCBTM 00117-14 %
23°C,336hr,inReferenceFuelCASTM D471-50 %
125°C,70hrASTM D573-37 %
23°C,504hr,inReferenceFuelCASTM D471-36 %
100°C,504hr,inASTM#3OilASTM D471-44 %
100%Strain100°C,336hrISO 2162.0 %
100°C,168hr,inASTM#3OilASTM D471-15 %
300%Strain,23°C,504hr,inReferenceFuelA(Isooctane)BTM 001174.0 %
100°C,336hr,inASTM#1OilASTM D471-28 %
100°C,504hrISO 216-6.0 %
300%Strain100°C,70hrISO 2160.0 %
100%Strain,100°C,336hr,inASTM#1OilASTM D4711.0 %
300%Strain,100°C,70hr,inASTM#3OilBTM 0011713 %
300%Strain,100°C,168hrASTM D5737.0 %
23°C,504hr,inReferenceFuelA(Isooctane)BTM 0011713 %
300%Strain,23°C,336hr,inReferenceFuelA(Isooctane)ASTM D4712.0 %
100%Strain,23°C,504hr,inReferenceFuelA(Isooctane)ASTM D4717.0 %
300%Strain,100°C,70hr,inASTM#1OilASTM D47114 %
100%Strain,100°C,70hr,inASTM#1OilBTM 00117-15 %
100%Strain,100°C,168hrASTM D573-5.0 %
100%Strain,100°C,168hr,inASTM#1OilBTM 00117-20 %
300%Strain,23°C,70hr,inReferenceFuelCBTM 001171.0 %
300%Strain,100°C,168hr,inASTM#3OilASTM D47123 %
300%Strain,100°C,504hr,inASTM#1OilBTM 0011723 %
23°C,168hr,inReferenceFuelA(Isooctane)BTM 001173.0 %
23°C,168hr,甲醇BTM 00117-34 %
100°C,336hr,inASTM#3OilBTM 00117-23 %
100°C,70hrISO 2164.0 %
23°C,168hr,inReferenceFuelA(Isooctane)ASTM D4713.0 %
300%Strain100°C,336hrISO 2168.0 %
100%Strain,125°C,504hrASTM D573-15 %
100%Strain,23°C,70hr,inReferenceFuelA(Isooctane)ASTM D47113 %
100°C,70hr,在ASTM#3油中ASTM D471-6.0 %
23°C,70hr,甲醇BTM 00117-38 %
100°C,504hr,inASTM#1OilBTM 00117-30 %
125°C,168hrISO 216-58 %
100%Strain,100°C,70hr,inASTM#3OilBTM 00117-20 %
100%Strain,100°C,168hr,inASTM#3OilBTM 00117-10 %
300%Strain,100°C,168hr,inASTM#3OilBTM 0011723 %
300%Strain,100°C,504hrASTM D57315 %
23°C,70hr,inReferenceFuelA(Isooctane)BTM 00117-4.0 %
100%Strain,23°C,336hr,inReferenceFuelA(Isooctane)BTM 00117-4.0 %
300%Strain125°C,504hrISO 216-10 %
100%Strain,100°C,504hr,inASTM#3OilBTM 00117-20 %
300%Strain,100°C,504hr,inASTM#3OilBTM 00117-4.0 %
100%Strain125°C,336hrISO 216-16 %
100°C,504hr,inASTM#3OilBTM 00117-44 %
100%Strain,23°C,504hr,inReferenceFuelCBTM 00117-15 %
100°C,168hr,inASTM#3OilBTM 00117-15 %
100%Strain,23°C,168hr,inReferenceFuelCBTM 00117-13 %
100%Strain,23°C,336hr,inReferenceFuelCBTM 00117-23 %
23°C,504hr,inReferenceFuelA(Isooctane)ASTM D47113 %
100%Strain,23°C,168hr,inReferenceFuelCASTM D471-13 %
100%Strain,23°C,336hr,inReferenceFuelCASTM D471-23 %
300%Strain,100°C,504hr,inASTM#3OilASTM D471-4.0 %
100°C,504hrASTM D573-6.0 %
100%Strain,23°C,504hr,inReferenceFuelCASTM D471-15 %
300%Strain,100°C,336hrASTM D5738.0 %
100%Strain,100°C,168hr,inASTM#3OilASTM D471-10 %
100%Strain125°C,168hrISO 2164.0 %
100%Strain125°C,504hrISO 216-15 %
100%Strain,100°C,336hr,inASTM#1OilBTM 001171.0 %
300%Strain,23°C,70hr,inReferenceFuelA(Isooctane)ASTM D47115 %
300%Strain,23°C,70hr,inReferenceFuelCASTM D4711.0 %
300%Strain,100°C,70hrASTM D5730.0 %
300%Strain100°C,168hrISO 2167.0 %
300%Strain,23°C,70hr,inReferenceFuelA(Isooctane)BTM 0011715 %
125°C,336hrISO 216-67 %
100°C,70hr,在ASTM#1油中ASTM D471-8.0 %
100%Strain,100°C,70hr,inASTM#1OilASTM D471-15 %
100%Strain,100°C,504hr,inASTM#1OilASTM D471-3.0 %
300%Strain,100°C,70hr,inASTM#1OilBTM 0011714 %
100%Strain,23°C,168hr,inReferenceFuelA(Isooctane)ASTM D4710.0 %
100%Strain,23°C,70hr,inReferenceFuelCBTM 00117-5.0 %
300%Strain125°C,168hrISO 2168.0 %
300%Strain,100°C,70hr,inASTM#3OilASTM D47113 %
100°C,70hr,在ASTM#3油中BTM 00117-6.0 %
300%Strain,100°C,168hr,inASTM#1OilASTM D47114 %
23°C,336hr,inReferenceFuelCBTM 00117-50 %
23°C,504hr,inReferenceFuelCBTM 00117-36 %
100%Strain,125°C,168hrASTM D5734.0 %
100%Strain125°C,70hrISO 2164.0 %
100%Strain,100°C,168hr,inASTM#1OilASTM D471-20 %
125°C,168hrASTM D573-58 %
100%Strain,23°C,336hr,inReferenceFuelA(Isooctane)ASTM D471-4.0 %
300%Strain,23°C,168hr,inReferenceFuelA(Isooctane)BTM 001173.0 %
100%Strain,23°C,70hr,inReferenceFuelCASTM D471-5.0 %
100%Strain100°C,168hrISO 216-5.0 %
100%Strain,100°C,504hr,inASTM#3OilASTM D471-20 %
100°C,336hr,inASTM#1OilBTM 00117-28 %
23°C,168hr,甲醇ASTM D471-34 %
100%Strain,23°C,70hr,inReferenceFuelA(Isooctane)BTM 0011713 %
300%Strain125°C,336hrISO 216-8.0 %
300%Strain,125°C,70hrASTM D57320 %
100°C,168hrISO 2167.0 %
300%Strain,100°C,336hr,inASTM#3OilASTM D47110 %
100%Strain,100°C,504hrASTM D573-10 %
300%Strain,100°C,336hr,inASTM#1OilBTM 0011725 %
100°C,504hr,inASTM#1OilASTM D471-30 %
23°C,336hr,inReferenceFuelA(Isooctane)ASTM D47112 %
23°C,336hr,inReferenceFuelA(Isooctane)BTM 0011712 %
100°C,336hr,inASTM#3OilASTM D471-23 %
125°C,336hrASTM D573-67 %
300%Strain,23°C,504hr,inReferenceFuelA(Isooctane)ASTM D4714.0 %
23°C,70hr,甲醇ASTM D471-38 %
300%Strain,100°C,504hr,inASTM#1OilASTM D47123 %
125°C,504hrISO 216-70 %
Change rate of ultimate elongation in air100°C,336hr,inASTM#1OilASTM D47112 %
23°C,168hr,inReferenceFuelA(Isooctane)ASTM D4710.0 %
100°C,168hr,inASTM#3OilASTM D47115 %
125°C,168hrASTM D57316 %
23°C,168hr,甲醇ASTM D471-7.0 %
23°C,336hr,inReferenceFuelA(Isooctane)ASTM D4713.0 %
23°C,504hr,inReferenceFuelCASTM D471-3.0 %
100°C,504hr,inASTM#3OilASTM D47129 %
23°C,336hr,inReferenceFuelCASTM D471-10 %
23°C,70hr,inReferenceFuelA(Isooctane)ASTM D471-14 %
125°C,336hrASTM D57316 %
100°C,70hr,在ASTM#3油中ASTM D47114 %
125°C,504hrASTM D5732.0 %
100°C,504hr,inASTM#1OilASTM D47117 %
100°C,168hr,inASTM#1OilASTM D4717.0 %
100°C,168hrASTM D57316 %
100°C,336hr,inASTM#3OilASTM D47122 %
100°C,70hr,在ASTM#1油中ASTM D47112 %
125°C,70hrASTM D57319 %
100°C,336hrASTM D57324 %
100°C,504hrASTM D57316 %
23°C,504hr,inReferenceFuelA(Isooctane)ASTM D4718.0 %
100°C,70hrASTM D57318 %
23°C,70hr,甲醇ASTM D471-7.0 %
Shore hardnessShoreD,100°C,504hr,inASTM#1OilBTM 00117-82
ShoreD,23°C,168hr,inReferenceFuelA(Isooctane)BTM 00117-1.0
ShoreD,100°C,70hr,inASTM#1OilBTM 00117-8.0
ShoreD,100°C,168hr,inASTM#1OilBTM 00117-8.0
ShoreD,100°C,336hr,inASTM#3OilBTM 00117-14
ShoreD,23°C,504hr,inReferenceFuelCBTM 00117-9.0
ShoreD,23°C,336hr,inReferenceFuelCBTM 00117-10
ShoreD,23°C,168hr,inReferenceFuelCBTM 00117-8.0
ShoreD,23°C,70hr,inReferenceFuelCBTM 00117-8.0
ShoreD,100°C,336hr,inASTM#1OilBTM 00117-9.0
ShoreD,23°C,504hr,inReferenceFuelA(Isooctane)BTM 00117-1.0
ShoreD,23°C,70hr,inReferenceFuelA(Isooctane)BTM 00117-2.0
ShoreD,100°C,70hr,inASTM#3OilBTM 00117-10
ShoreD,23°C,336hr,inReferenceFuelA(Isooctane)BTM 001170.0
ShoreD,100°C,168hr,inASTM#3OilBTM 00117-13
ShoreD,100°C,504hr,inASTM#3OilBTM 00117-15
Tensile stress change rate23°C,504hr,inReferenceFuelA(Isooctane)，BreakBTM 001178.0 %
100°C,168hr,inASTM#3Oil，BreakBTM 0011715 %
100°C,504hr,inASTM#3Oil，BreakBTM 0011729 %
100°C,336hr,inASTM#3Oil，BreakBTM 0011722 %
100°C,168hr,inASTM#1Oil，BreakBTM 001177.0 %
23°C,168hr,inReferenceFuelA(Isooctane)，BreakBTM 001170.0 %
100°C,504hr，BreakISO 21616 %
23°C,168hr,甲醇，BreakBTM 00117-7.0 %
23°C,70hr,inReferenceFuelA(Isooctane)，BreakBTM 00117-14 %
23°C,336hr,inReferenceFuelC，BreakBTM 00117-10 %
23°C,70hr,甲醇，BreakBTM 00117-7.0 %
100°C,336hr,inASTM#1Oil，BreakBTM 0011712 %
125°C,168hr，BreakISO 21616 %
100°C,70hr,在ASTM#3油中，BreakBTM 0011714 %
23°C,504hr,inReferenceFuelC，BreakBTM 00117-3.0 %
125°C,336hr，BreakISO 21616 %
100°C,168hr，BreakISO 21616 %
100°C,70hr,在ASTM#1油中，BreakBTM 0011712 %
100°C,70hr，BreakISO 21618 %
100°C,504hr,inASTM#1Oil，BreakBTM 0011717 %
100°C,336hr，BreakISO 21624 %
23°C,336hr,inReferenceFuelA(Isooctane)，BreakBTM 001173.0 %
125°C,70hr，BreakISO 21619 %
125°C,504hr，BreakISO 2162.0 %
Volume change23°C,336hr,inReferenceFuelCBTM 0011744 %
23°C,336hr,inReferenceFuelABTM 001176.0 %
100°C,336hr,inASTM#1OilBTM 001170.0 %
23°C,504hr,inReferenceFuelABTM 001177.0 %
23°C,504hr,inReferenceFuelCBTM 0011745 %
23°C,168hr,甲醇ASTM D47144 %
23°C,70hr,inReferenceFuelABTM 001173.0 %
23°C,70hr,inReferenceFuelAASTM D4713.0 %
100°C,168hr,inASTM#1OilASTM D4710.0 %
100°C,504hr,inASTM#3OilBTM 0011720 %
23°C,70hr,甲醇ASTM D47143 %
100°C,70hr,在ASTM#3油中ASTM D47117 %
23°C,168hr,inReferenceFuelABTM 001174.0 %
100°C,504hr,inASTM#1OilASTM D4710.0 %
100°C,168hr,inASTM#3OilBTM 0011719 %
23°C,336hr,inReferenceFuelCASTM D47144 %
23°C,504hr,inReferenceFuelCASTM D47145 %
23°C,168hr,inReferenceFuelAASTM D4714.0 %
23°C,336hr,inReferenceFuelAASTM D4716.0 %
100°C,70hr,在ASTM#1油中BTM 001170.0 %
23°C,504hr,inReferenceFuelAASTM D4717.0 %
100°C,336hr,inASTM#3OilASTM D47120 %
100°C,168hr,inASTM#3OilASTM D47119 %
100°C,504hr,inASTM#3OilASTM D47120 %
100°C,504hr,inASTM#1OilBTM 001170.0 %
100°C,168hr,inASTM#1OilBTM 001170.0 %
100°C,336hr,inASTM#1OilASTM D4710.0 %
23°C,70hr,甲醇BTM 0011743 %
100°C,70hr,在ASTM#3油中BTM 0011717 %
23°C,168hr,甲醇BTM 0011744 %
100°C,336hr,inASTM#3OilBTM 0011720 %
100°C,70hr,在ASTM#1油中ASTM D4710.0 %
elastomerTest ConditionTest MethodCOVESTRO GERMANY/985
elongationBreakISO 37590 %
BreakASTM D412590 %
Permanent compression deformation70°C,22hr3ISO 81540 %
70°C,22hrISO 81580 %
70°C,22hrASTM D395B80 %
23°C,22hr3ASTM D395B16 %
70°C,22hr3ASTM D395B40 %
23°C,22hrASTM D395B19 %
23°C,22hr3ISO 81516 %
23°C,22hrISO 81519 %
Shore hardnessASTM D263245 %
tear strengthISO 34-188 kN/m
ASTM D62487.6 kN/m
tensile strengthYieldISO 3738.6 Mpa
300%StrainASTM D4129.70 Mpa
YieldASTM D41238.6 Mpa
100%StrainISO 375.50 Mpa
50%StrainASTM D4124.80 Mpa
300%StrainISO 379.70 Mpa
100%StrainASTM D4125.50 Mpa
50%StrainISO 374.80 Mpa

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