Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
TPU 255 COVESTRO GERMANY
Desmopan®
Gear、Mechanical components、Automotive sector、sporting goods、Cam、Hydraulic applications、wheel、Gear、Washer、Seals
wear resistant、Antichemical、high strength
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
TPU/COVESTRO GERMANY/255
Shrinkage rate
TD:2.54mm
ISO2577
%
0
Shrinkage rate
MD:2.54mm
ISO2577
%
0
Shrinkage rate
MD：2.54mm
ASTMD955
%
0
Shrinkage rate
TD：2.54mm
ASTMD955
%
0
Mechanical performance
Test Condition
Test Method
Unit
TPU/COVESTRO GERMANY/255
shear strength
ASTMD732
Mpa
3
Taber abraser
1000Cycles,1000g,H-18转轮
ISO4649
mg
5
Taber abraser
1000Cycles,1000g,H-18转轮
ASTMD1044
mg
5
Bending modulus
-30°C
ASTMD790
Mpa
1
Bending modulus
23°C
ASTMD790
Mpa
6
Bending modulus
70°C
ASTMD790
Mpa
5
Bending modulus
-30°C
ISO178
Mpa
1
Bending modulus
23°C
ISO178
Mpa
6
Bending modulus
70°C
ISO178
Mpa
5
Thermal performance
Test Condition
Test Method
Unit
TPU/COVESTRO GERMANY/255
Glass transition temperature
DMA
°C
-
Brittle temperature
ASTMD746
°C
<
Brittle temperature
ISO974
°C
<
Hot deformation temperature
0.45MPa,未退火
ASTMD648
°C
5
Hot deformation temperature
0.45MPa,未退火
ISO75-2/B
°C
5
Vicat softening temperature
ASTMD15255
°C
1
Vicat softening temperature
ISO306/50
°C
1
Linear coefficient of thermal expansion
MD
ASTMD696
cm/cm/°C
1
ageing
Test Condition
Test Method
Unit
TPU/COVESTRO GERMANY/255
Changes in tensile stress during fracture
100°C,70hr,在ASTM#1油中
BTM 00117
%
8
Changes in tensile stress during fracture
100°C,70hr,在ASTM#3油中
BTM 00117
%
6
Changes in tensile stress during fracture
100°C,168hr,inASTM#1Oil
BTM 00117
%
1
Changes in tensile stress during fracture
100°C,336hr,inASTM#1Oil
BTM 00117
%
2
Changes in tensile stress during fracture
100°C,504hr,inASTM#1Oil
BTM 00117
%
1
Changes in tensile stress during fracture
100°C,504hr,inASTM#3Oil
BTM 00117
%
2
Changes in tensile stress during fracture
23°C,70hr,inReferenceFuelA(Isooctane)
BTM 00117
%
-
Changes in tensile stress during fracture
23°C,70hr,甲醇
BTM 00117
%
5
Changes in tensile stress during fracture
23°C,168hr,inReferenceFuelA(Isooctane)
BTM 00117
%
9
Changes in tensile stress during fracture
23°C,168hr,甲醇
BTM 00117
%
6
Changes in tensile stress during fracture
23°C,336hr,inReferenceFuelA(Isooctane)
BTM 00117
%
-
Changes in tensile stress during fracture
23°C,336hr,inReferenceFuelC
BTM 00117
%
-
Changes in tensile stress during fracture
23°C,504hr,inReferenceFuelA(Isooctane)
BTM 00117
%
-
Changes in tensile stress during fracture
23°C,504hr,inReferenceFuelC
BTM 00117
%
-
Change rate of ultimate elongation
100°C,504hr,inASTM#1Oil
ASTMD471
%
1
Change rate of ultimate elongation
100°C,504hr,inASTM#3Oil
ASTMD471
%
2
Change rate of ultimate elongation
23°C,70hr,inReferenceFuelA(Isooctane)
ASTMD471
%
-
Change rate of ultimate elongation
23°C,70hr,甲醇
ASTMD471
%
5
Change rate of ultimate elongation
23°C,168hr,inReferenceFuelA(Isooctane)
ASTMD471
%
9
Change rate of ultimate elongation
23°C,168hr,甲醇
ASTMD471
%
6
Change rate of ultimate elongation
23°C,336hr,inReferenceFuelA(Isooctane)
ASTMD471
%
-
Change rate of ultimate elongation
23°C,336hr,inReferenceFuelC
ASTMD471
%
-
Change rate of ultimate elongation
23°C,504hr,inReferenceFuelA(Isooctane)
ASTMD471
%
-
Change rate of ultimate elongation
23°C,504hr,inReferenceFuelC
ASTMD471
%
-
Change rate of ultimate elongation
100°C,70hr,在ASTM#1油中
ASTMD471
%
8
Change rate of ultimate elongation
100°C,70hr,在ASTM#3油中
ASTMD471
%
6
Change rate of ultimate elongation
100°C,168hr,inASTM#1Oil
ASTMD471
%
1
Change rate of ultimate elongation
100°C,336hr,inASTM#1Oil
ASTMD471
%
2
Change rate of ultimate elongation in air
100°C,70hr
ASTMD573
%
-
Change rate of ultimate elongation in air
100°C,168hr
ASTMD573
%
7
Change rate of ultimate elongation in air
100°C,336hr
ASTMD573
%
1
Change rate of ultimate elongation in air
100°C,504hr
ASTMD573
%
1
Change rate of ultimate elongation in air
125°C,70hr
ASTMD573
%
2
Change rate of ultimate elongation in air
125°C,168hr
ASTMD573
%
2
Change rate of ultimate elongation in air
125°C,336hr
ASTMD573
%
3
Change rate of ultimate elongation in air
125°C,504hr
ASTMD573
%
3
Change rate of tensile strength in air
125°C,168hr
ASTMD573
%
-
Change rate of tensile strength in air
100%Strain,125°C,168hr
ASTMD573
%
-
Change rate of tensile strength in air
300%Strain,125°C,168hr
ASTMD573
%
-
Change rate of tensile strength in air
125°C,336hr
ASTMD573
%
-
Change rate of tensile strength in air
100%Strain,125°C,336hr
ASTMD573
%
8
Change rate of tensile strength in air
300%Strain,125°C,336hr
ASTMD573
%
-
Change rate of tensile strength in air
125°C,504hr
ASTMD573
%
-
Change rate of tensile strength in air
100%Strain,125°C,504hr
ASTMD573
%
4
Change rate of tensile strength in air
300%Strain,125°C,504hr
ASTMD573
%
-
Change rate of tensile strength in air
100°C,70hr
ISO216
%
3
Change rate of tensile strength in air
300%Strain100°C,504hr
ISO216
%
1
Change rate of tensile strength in air
125°C,70hr
ISO216
%
-
Change rate of tensile strength in air
100%Strain125°C,70hr
ISO216
%
7
Change rate of tensile strength in air
300%Strain125°C,70hr
ISO216
%
-
Change rate of tensile strength in air
125°C,168hr
ISO216
%
-
Change rate of tensile strength in air
100%应变125°C,168hr
ISO216
%
-
Change rate of tensile strength in air
300%Strain125°C,168hr
ISO216
%
-
Change rate of tensile strength in air
125°C,336hr
ISO216
%
-
Change rate of tensile strength in air
100%Strain125°C,336hr
ISO216
%
8
Change rate of tensile strength in air
300%Strain125°C,336hr
ISO216
%
-
Change rate of tensile strength in air
100°C,70hr
ASTMD573
%
3
Change rate of tensile strength in air
100%Strain,100°C,70hr
ASTMD573
%
1
Change rate of tensile strength in air
300%Strain,100°C,70hr
ASTMD573
%
1
Change rate of tensile strength in air
100°C,168hr
ASTMD573
%
8
Change rate of tensile strength in air
100%Strain,100°C,168hr
ASTMD573
%
4
Change rate of tensile strength in air
100%Strain100°C,70hr
ISO216
%
1
Change rate of tensile strength in air
300%Strain100°C,70hr
ISO216
%
1
Change rate of tensile strength in air
100°C,168hr
ISO216
%
8
Change rate of tensile strength in air
100%Strain100°C,168hr
ISO216
%
4
Change rate of tensile strength in air
300%Strain100°C,168hr
ISO216
%
-
Change rate of tensile strength in air
100°C,336hr
ISO216
%
1
Change rate of tensile strength in air
100%Strain100°C,336hr
ISO216
%
1
Change rate of tensile strength in air
300%Strain100°C,336hr
ISO216
%
-
Change rate of tensile strength in air
100°C,504hr
ISO216
%
1
Change rate of tensile strength in air
100%Strain100°C,504hr
ISO216
%
1
Change rate of tensile strength in air
125°C,504hr
ISO216
%
-
Change rate of tensile strength in air
100%Strain125°C,504hr
ISO216
%
4
Change rate of tensile strength in air
300%Strain125°C,504hr
ISO216
%
-
Change rate of tensile strength in air
300%Strain,100°C,168hr
ASTMD573
%
-
Change rate of tensile strength in air
100°C,336hr
ASTMD573
%
1
Change rate of tensile strength in air
100%Strain,100°C,336hr
ASTMD573
%
1
Change rate of tensile strength in air
300%Strain,100°C,336hr
ASTMD573
%
-
Change rate of tensile strength in air
100°C,504hr
ASTMD573
%
1
Change rate of tensile strength in air
100%Strain,100°C,504hr
ASTMD573
%
1
Change rate of tensile strength in air
300%Strain,100°C,504hr
ASTMD573
%
1
Change rate of tensile strength in air
125°C,70hr
ASTMD573
%
-
Change rate of tensile strength in air
100%Strain,125°C,70hr
ASTMD573
%
7
Change rate of tensile strength in air
300%Strain,125°C,70hr
ASTMD573
%
-
Change rate of tensile strength
100%Strain,100°C,336hr,inASTM#1Oil
BTM 00117
%
1
Change rate of tensile strength
300%Strain,100°C,336hr,inASTM#1Oil
BTM 00117
%
-
Change rate of tensile strength
100°C,504hr,inASTM#1Oil
BTM 00117
%
-
Change rate of tensile strength
100%Strain,100°C,504hr,inASTM#1Oil
BTM 00117
%
1
Change rate of tensile strength
300%Strain,100°C,504hr,inASTM#1Oil
BTM 00117
%
-
Change rate of tensile strength
100°C,504hr,inASTM#3Oil
BTM 00117
%
-
Change rate of tensile strength
100%Strain,100°C,504hr,inASTM#3Oil
BTM 00117
%
2
Change rate of tensile strength
300%Strain,100°C,504hr,inASTM#3Oil
BTM 00117
%
-
Change rate of tensile strength
300%Strain,23°C,70hr,inReferenceFuelA(Isooctane)
ASTMD471
%
5
Change rate of tensile strength
23°C,70hr,甲醇
ASTMD471
%
1
Change rate of tensile strength
100%Strain,23°C,70hr,inReferenceFuelC
ASTMD471
%
-
Change rate of tensile strength
300%Strain,23°C,70hr,inReferenceFuelC
ASTMD471
%
-
Change rate of tensile strength
23°C,168hr,inReferenceFuelA(Isooctane)
ASTMD471
%
-
Change rate of tensile strength
100%Strain,23°C,168hr,inReferenceFuelA(Isooctane)
ASTMD471
%
-
Change rate of tensile strength
300%Strain,23°C,168hr,inReferenceFuelA(Isooctane)
ASTMD471
%
-
Change rate of tensile strength
23°C,168hr,甲醇
ASTMD471
%
-
Change rate of tensile strength
100%Strain,23°C,168hr,inReferenceFuelC
ASTMD471
%
-
Change rate of tensile strength
300%Strain,23°C,168hr,inReferenceFuelC
ASTMD471
%
-
Change rate of tensile strength
23°C,336hr,inReferenceFuelA(Isooctane)
ASTMD471
%
6
Change rate of tensile strength
100%Strain,23°C,336hr,inReferenceFuelA(Isooctane)
ASTMD471
%
3
Change rate of tensile strength
300%Strain,23°C,336hr,inReferenceFuelA(Isooctane)
ASTMD471
%
-
Change rate of tensile strength
23°C,70hr,甲醇
BTM 00117
%
1
Change rate of tensile strength
100%Strain,23°C,70hr,inReferenceFuelC
BTM 00117
%
-
Change rate of tensile strength
300%Strain,23°C,70hr,inReferenceFuelC
BTM 00117
%
-
Change rate of tensile strength
23°C,168hr,inReferenceFuelA(Isooctane)
BTM 00117
%
-
Change rate of tensile strength
100%Strain,23°C,168hr,inReferenceFuelA(Isooctane)
BTM 00117
%
-
Change rate of tensile strength
300%Strain,23°C,168hr,inReferenceFuelA(Isooctane)
BTM 00117
%
-
Change rate of tensile strength
23°C,168hr,甲醇
BTM 00117
%
-
Change rate of tensile strength
100%Strain,23°C,168hr,inReferenceFuelC
BTM 00117
%
-
Change rate of tensile strength
300%Strain,23°C,168hr,inReferenceFuelC
BTM 00117
%
-
Change rate of tensile strength
23°C,336hr,inReferenceFuelA(Isooctane)
BTM 00117
%
6
Change rate of tensile strength
100%Strain,100°C,70hr,inASTM#1Oil
ASTMD471
%
1
Change rate of tensile strength
300%Strain,100°C,70hr,inASTM#1Oil
ASTMD471
%
7
Change rate of tensile strength
100°C,70hr,在ASTM#3油中
ASTMD471
%
1
Change rate of tensile strength
100%Strain,100°C,70hr,inASTM#3Oil
ASTMD471
%
1
Change rate of tensile strength
300%Strain,100°C,70hr,inASTM#3Oil
ASTMD471
%
1
Change rate of tensile strength
100°C,168hr,inASTM#1Oil
ASTMD471
%
-
Change rate of tensile strength
100%Strain,100°C,168hr,inASTM#1Oil
ASTMD471
%
1
Change rate of tensile strength
300%Strain,100°C,168hr,inASTM#1Oil
ASTMD471
%
2
Change rate of tensile strength
100°C,336hr,inASTM#1Oil
ASTMD471
%
-
Change rate of tensile strength
100%Strain,100°C,336hr,inASTM#1Oil
ASTMD471
%
1
Change rate of tensile strength
300%Strain,100°C,336hr,inASTM#1Oil
ASTMD471
%
-
Change rate of tensile strength
100°C,504hr,inASTM#1Oil
ASTMD471
%
-
Change rate of tensile strength
100%Strain,100°C,504hr,inASTM#1Oil
ASTMD471
%
1
Change rate of tensile strength
300%Strain,100°C,504hr,inASTM#1Oil
ASTMD471
%
-
Change rate of tensile strength
100°C,504hr,inASTM#3Oil
ASTMD471
%
-
Change rate of tensile strength
100%Strain,100°C,504hr,inASTM#3Oil
ASTMD471
%
2
Change rate of tensile strength
300%Strain,100°C,504hr,inASTM#3Oil
ASTMD471
%
-
Change rate of tensile strength
23°C,70hr,inReferenceFuelA(Isooctane)
BTM 00117
%
6
Change rate of tensile strength
100%Strain,23°C,70hr,inReferenceFuelA(Isooctane)
BTM 00117
%
2
Change rate of tensile strength
300%Strain,23°C,70hr,inReferenceFuelA(Isooctane)
BTM 00117
%
5
Change rate of tensile strength
100%Strain,23°C,336hr,inReferenceFuelA(Isooctane)
BTM 00117
%
3
Change rate of tensile strength
300%Strain,23°C,336hr,inReferenceFuelA(Isooctane)
BTM 00117
%
-
Change rate of tensile strength
23°C,336hr,inReferenceFuelC
BTM 00117
%
-
Change rate of tensile strength
100%Strain,23°C,336hr,inReferenceFuelC
BTM 00117
%
-
Change rate of tensile strength
300%Strain,23°C,336hr,inReferenceFuelC
BTM 00117
%
-
Change rate of tensile strength
23°C,504hr,inReferenceFuelA(Isooctane)
BTM 00117
%
-
Change rate of tensile strength
100%Strain,23°C,504hr,inReferenceFuelA(Isooctane)
BTM 00117
%
5
Change rate of tensile strength
300%Strain,23°C,504hr,inReferenceFuelA(Isooctane)
BTM 00117
%
3
Change rate of tensile strength
23°C,504hr,inReferenceFuelC
BTM 00117
%
-
Change rate of tensile strength
100%Strain,23°C,504hr,inReferenceFuelC
BTM 00117
%
-
Change rate of tensile strength
300%Strain,23°C,504hr,inReferenceFuelC
BTM 00117
%
-
Change rate of tensile strength
100°C,70hr,在ASTM#1油中
BTM 00117
%
1
Change rate of tensile strength
100%Strain,100°C,70hr,inASTM#1Oil
BTM 00117
%
1
Change rate of tensile strength
300%Strain,100°C,70hr,inASTM#1Oil
BTM 00117
%
7
Change rate of tensile strength
23°C,336hr,inReferenceFuelC
ASTMD471
%
-
Change rate of tensile strength
100%Strain,23°C,336hr,inReferenceFuelC
ASTMD471
%
-
Change rate of tensile strength
300%Strain,23°C,336hr,inReferenceFuelC
ASTMD471
%
-
Change rate of tensile strength
23°C,504hr,inReferenceFuelA(Isooctane)
ASTMD471
%
-
Change rate of tensile strength
100%Strain,23°C,504hr,inReferenceFuelA(Isooctane)
ASTMD471
%
5
Change rate of tensile strength
300%Strain,23°C,504hr,inReferenceFuelA(Isooctane)
ASTMD471
%
3
Change rate of tensile strength
23°C,504hr,inReferenceFuelC
ASTMD471
%
-
Change rate of tensile strength
100%Strain,23°C,504hr,inReferenceFuelC
ASTMD471
%
-
Change rate of tensile strength
300%Strain,23°C,504hr,inReferenceFuelC
ASTMD471
%
-
Change rate of tensile strength
100°C,70hr,在ASTM#1油中
ASTMD471
%
1
Change rate of tensile strength
100°C,336hr,inASTM#1Oil
BTM 00117
%
-
Change rate of tensile strength
100°C,70hr,在ASTM#3油中
BTM 00117
%
1
Change rate of tensile strength
100%Strain,100°C,70hr,inASTM#3Oil
BTM 00117
%
1
Change rate of tensile strength
300%Strain,100°C,70hr,inASTM#3Oil
BTM 00117
%
1
Change rate of tensile strength
100°C,168hr,inASTM#1Oil
BTM 00117
%
-
Change rate of tensile strength
100%Strain,100°C,168hr,inASTM#1Oil
BTM 00117
%
1
Change rate of tensile strength
300%Strain,100°C,168hr,inASTM#1Oil
BTM 00117
%
2
Change rate of tensile strength
23°C,70hr,inReferenceFuelA(Isooctane)
ASTMD471
%
6
Change rate of tensile strength
100%Strain,23°C,70hr,inReferenceFuelA(Isooctane)
ASTMD471
%
2
Volume change
23°C,70hr,inReferenceFuelA
ASTMD471
%
0
Volume change
23°C,70hr,甲醇
ASTMD471
%
6
Volume change
23°C,168hr,inReferenceFuelA
ASTMD471
%
0
Volume change
23°C,168hr,甲醇
ASTMD471
%
1
Volume change
23°C,336hr,inReferenceFuelA
ASTMD471
%
0
Volume change
23°C,336hr,inReferenceFuelC
ASTMD471
%
1
Volume change
100°C,504hr,inASTM#1Oil
BTM 00117
%
-
Volume change
100°C,504hr,inASTM#3Oil
BTM 00117
%
4
Volume change
23°C,168hr,inReferenceFuelA
BTM 00117
%
0
Volume change
23°C,168hr,甲醇
BTM 00117
%
1
Volume change
23°C,336hr,inReferenceFuelA
BTM 00117
%
0
Volume change
23°C,336hr,inReferenceFuelC
BTM 00117
%
1
Volume change
23°C,504hr,inReferenceFuelA
BTM 00117
%
0
Volume change
23°C,504hr,inReferenceFuelC
BTM 00117
%
1
Volume change
100°C,70hr,在ASTM#1油中
BTM 00117
%
-
Volume change
100°C,70hr,在ASTM#3油中
BTM 00117
%
2
Volume change
100°C,168hr,inASTM#1Oil
BTM 00117
%
0
Volume change
100°C,336hr,inASTM#1Oil
BTM 00117
%
-
Volume change
23°C,504hr,inReferenceFuelA
ASTMD471
%
0
Volume change
23°C,504hr,inReferenceFuelC
ASTMD471
%
1
Volume change
100°C,70hr,在ASTM#1油中
ASTMD471
%
-
Volume change
100°C,70hr,在ASTM#3油中
ASTMD471
%
2
Volume change
100°C,168hr,inASTM#1Oil
ASTMD471
%
0
Volume change
100°C,336hr,inASTM#1Oil
ASTMD471
%
-
Volume change
100°C,504hr,inASTM#1Oil
ASTMD471
%
-
Volume change
100°C,504hr,inASTM#3Oil
ASTMD471
%
4
Volume change
23°C,70hr,inReferenceFuelA
BTM 00117
%
0
Volume change
23°C,70hr,甲醇
BTM 00117
%
6
Changes in tensile stress during fracture in air
100°C,70hr
ISO216
%
-
Changes in tensile stress during fracture in air
100°C,168hr
ISO216
%
7
Changes in tensile stress during fracture in air
100°C,336hr
ISO216
%
1
Changes in tensile stress during fracture in air
100°C,504hr
ISO216
%
1
Changes in tensile stress during fracture in air
125°C,70hr
ISO216
%
2
Changes in tensile stress during fracture in air
125°C,168hr
ISO216
%
2
Changes in tensile stress during fracture in air
125°C,336hr
ISO216
%
3
Changes in tensile stress during fracture in air
125°C,504hr
ISO216
%
3
elastomer
Test Condition
Test Method
Unit
TPU/COVESTRO GERMANY/255
Basho elasticity
ASTMD2632
%
4
Tensile strength
屈服
ASTMD412
Mpa
6
Tensile stress
屈服
ISO37
Mpa
6
Tensile stress
50%应变
ISO37
Mpa
1
Tensile stress
50%应变
ASTMD412
Mpa
1
Tensile stress
100%应变
ASTMD412
Mpa
1
Tensile stress
100%应变
ISO37
Mpa
1
Tensile stress
300%应变
ASTMD412
Mpa
3
Tensile stress
300%应变
ISO37
Mpa
3
elongation
断裂
ASTMD412
%
5
elongation
断裂
ISO37
%
5
tear strength
ISO34-1
kN/m
1
Tear strength 2
ASTMD624
kN/m
1
Permanent compression deformation
100°C,22hr
ISO815
%
7
Permanent compression deformation
100°C,22hr3
ISO815
%
5
Permanent compression deformation
23°C,22hr3
ASTMD395B
%
1
Permanent compression deformation
23°C,22hr
ASTMD395B
%
2
Permanent compression deformation
70°C,22hr3
ASTMD395B
%
3
Permanent compression deformation
70°C,22hr
ASTMD395B
%
6
Permanent compression deformation
100°C,22hr3
ASTMD395B
%
5
Permanent compression deformation
100°C,22hr
ASTMD395B
%
7
Permanent compression deformation
23°C,22hr3
ISO815
%
1
Permanent compression deformation
23°C,22hr
ISO815
%
2
Permanent compression deformation
70°C,22hr3
ISO815
%
3
Permanent compression deformation
70°C,22hr
ISO815
%
6
Impact performance
Test Condition
Test Method
Unit
TPU/COVESTRO GERMANY/255
Dart impact equipped with measuring instruments 4
-30°C,2.54mm,TotalEnergy
ASTMD3763
J
5
Dart impact equipped with measuring instruments 4
23°C,2.54mm,TotalEnergy
ASTMD3763
J
5
Supplementary Information
Test Condition
Test Method
Unit
TPU/COVESTRO GERMANY/255
CompressiveLoad
10%Deflection
ASTMD575
Mpa
7
CompressiveLoad
15%Deflection
ASTMD575
Mpa
1
CompressiveLoad
2%Deflection
ASTMD575
Mpa
0
CompressiveLoad
20%Deflection
ASTMD575
Mpa
1
CompressiveLoad
25%Deflection
ASTMD575
Mpa
1
CompressiveLoad
5%Deflection
ASTMD575
Mpa
3
CompressiveLoad
50%Deflection
ASTMD575
Mpa
4