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TPU

Brief introduction:

       Thermoplastic polyurethane (TPU)  is a block copolymer consisting of alternating sequences of hard and soft segments. Its adaptability is due to the presence of both these hard and soft segments in its chemical structure. The proportion of hard and soft segments can be manipulated to produce a wide range of hardness. A greater ratio of hard to soft segments will result in a more rigid TPU.the hard segments are isocyanates, and can be classified as either aliphatic or aromatic depending on the type of isocyanate. The soft segments are made of a reacted polyol. In addition to the ratio of hard to soft segments in a given grade of TPU, the type of isocyanate and polyol are responsible for the properties of the resulting TPU.

 

Polyester-based:

Properties

Standard

ICS65A

ICS70A

ICS75A

ICS80A

ICS85A

ICS90A

ICS55D

ICS60D

Hardness,Shore A/D

ASTMD2240

65

70

75

80

85

90

55

60

Density,g/cm3

ASTMD792

1.19

1.19

1.19

1.19

1.19

1.19

1.20

1.21

Tensile strength,MPa

ASTMD412

25

29

31

32

37

42

43

44

100% moudulus,MPa

ASTMD412

2

3

4

5

6

9

12

17

300%modulus, MPa

ASTMD412

6

7

8

9

12

21

29

32

Elongationat break,%

ASTMD412

700

680

650

610

550

440

410

380

Tear strength,N/mm

ASTMD624

75

80

85

90

100

120

140

175

DIN abrasion loss,mm3

ISO4649

-

-

-

-

-

-

-

60

 

Polyether-based:

Properties

Standard

ICT80A

ICT85A

ICT90A

ICT95A

Hardness,Shore A

ASTMD2240

80

85

90

95

Density,g/cm3

ASTMD792

1.10

1.11

1.12

1.14

Tensile strength,MPa

ASTMD412

23

25

28

33

100% moudulus,MPa

ASTMD412

26

7

10

13

300%modulus, MPa

ASTMD412

610

12

15

25

Elongationat break,%

ASTMD412

700

500

400

380

Tear strength,N/mm

ASTMD624

75

80

100

110

DIN abrasion loss,mm3

ISO4649

-40

40

45

45

Tg

ASTMD3418

-50

-45

-42

-36

 

Note:

▲ Ensure that the material stays in the dryer for 4h, because the tpu raw material is easy to absorb moisture; the viscosity of the material is very sensitive to temperature and its changes. It is necessary to pay attention to the temperature during the reaction and the local temperature control of the die head.

▲ The structural design of the mold should ensure the smooth passage of the materials and do not allow the stagnation of the materials; due to the characteristics of the tpu material, the transmission power of the processing equipment is 1.5 to 2.0 times larger than the transmission power of some general plastic processing

Remarks: The above indicators are for reference. If there are special requirements on certain performances, our company can customize them individually according to customer needs. For details, please call us.

keywords: TPU

classification: Product

Brief introduction:

       Thermoplastic polyurethane (TPU)  is a block copolymer consisting of alternating sequences of hard and soft segments. Its adaptability is due to the presence of both these hard and soft segments in its chemical structure. The proportion of hard and soft segments can be manipulated to produce a wide range of hardness. A greater ratio of hard to soft segments will result in a more rigid TPU.the hard segments are isocyanates, and can be classified as either aliphatic or aromatic depending on the type of isocyanate. The soft segments are made of a reacted polyol. In addition to the ratio of hard to soft segments in a given grade of TPU, the type of isocyanate and polyol are responsible for the properties of the resulting TPU.

 

Polyester-based:

Properties

Standard

ICS65A

ICS70A

ICS75A

ICS80A

ICS85A

ICS90A

ICS55D

ICS60D

Hardness,Shore A/D

ASTMD2240

65

70

75

80

85

90

55

60

Density,g/cm3

ASTMD792

1.19

1.19

1.19

1.19

1.19

1.19

1.20

1.21

Tensile strength,MPa

ASTMD412

25

29

31

32

37

42

43

44

100% moudulus,MPa

ASTMD412

2

3

4

5

6

9

12

17

300%modulus, MPa

ASTMD412

6

7

8

9

12

21

29

32

Elongationat break,%

ASTMD412

700

680

650

610

550

440

410

380

Tear strength,N/mm

ASTMD624

75

80

85

90

100

120

140

175

DIN abrasion loss,mm3

ISO4649

-

-

-

-

-

-

-

60

 

Polyether-based:

Properties

Standard

ICT80A

ICT85A

ICT90A

ICT95A

Hardness,Shore A

ASTMD2240

80

85

90

95

Density,g/cm3

ASTMD792

1.10

1.11

1.12

1.14

Tensile strength,MPa

ASTMD412

23

25

28

33

100% moudulus,MPa

ASTMD412

26

7

10

13

300%modulus, MPa

ASTMD412

610

12

15

25

Elongationat break,%

ASTMD412

700

500

400

380

Tear strength,N/mm

ASTMD624

75

80

100

110

DIN abrasion loss,mm3

ISO4649

-40

40

45

45

Tg

ASTMD3418

-50

-45

-42

-36

 

Note:

▲ Ensure that the material stays in the dryer for 4h, because the tpu raw material is easy to absorb moisture; the viscosity of the material is very sensitive to temperature and its changes. It is necessary to pay attention to the temperature during the reaction and the local temperature control of the die head.

▲ The structural design of the mold should ensure the smooth passage of the materials and do not allow the stagnation of the materials; due to the characteristics of the tpu material, the transmission power of the processing equipment is 1.5 to 2.0 times larger than the transmission power of some general plastic processing

Remarks: The above indicators are for reference. If there are special requirements on certain performances, our company can customize them individually according to customer needs. For details, please call us.

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