PP墊環(huán)

密 度

g/cm 3

0.90 - 0.93

拉伸強度

Mpa

≥23

斷裂伸長(cháng)率

%

≥150

懸臂梁沖擊強度

KJ/M 2

≥10

熱變形溫度

℃

≥120

20 ℃液壓試驗

（瞬時(shí)爆破環(huán)向應力）

Mpa

≥2.2

扁平試驗

壓到管材外徑的1/2 無(wú)裂縫

線(xiàn)膨脹系數

10 - 5m/m.℃

≤13

25

±0.3

-

-

-

-

2.5+ 0.4

32

0.3

-

-

-

2.8+ 0.4

3.0+ 0.5

40

0.4

-

-

-

3.0+ 0.5

3.4+ 0.5

50

0.5

-

-

3.0+ 0.5

3.4+ 0.6

4.2+ 0.6

63

0.5

-

2.8+ 0.5

3.3+ 0.6

4.3+ 0.7

5.2+ 0.7

75

0.7

-

3.0+ 0.5

3.9+ 0.6

5.1+ 0.8

6.2+ 0.9

90

0.9

-

3.2+ 0.6

4.7+ 0.7

6.1+ 0.9

7.5+ 1.0

110

1.0

-

3.9+ 0.6

5.7+ 0.8

7.5+ 1.0

9.1+ 1.2

125

1.2

-

4.4+ 0.7

6.5+ 0.9

8.5+ 1.1

10 .4+ 1.3

140

1.3

-

5.0+ 0.7

7.2+ 1.0

9.5+ 1.2

11 .6+ 1.4

160

1.5

-

5.7+ 0.8

8.3+ 1.1

10 .8+ 1.3

13 .3+ 1.6

180

1.7

-

6.4+ 0.9

9.3+ 1.2

12 .2+ 1.4

14 .9+ 1.7

200

1.8

-

7.1+ 1.0

10 .3+ 1.3

13 .6+ 1.6

16 .6+ 1.9

225

2.1

-

7.9+ 1.0

11 .6+ 1.4

15 .2+ 1.7

18 .7+ 2.1

250

2.3

-

8.8+ 1.1

12 .9+ 1.5

17 .0+ 1.9

20 .7+ 2.3

280

2.6

-

9.9+ 1.2

14 .4+ 1.7

18 .9+ 2.1

21 .2+ 2.6

315

2.9

-

11 .1+ 1.3

16 .2+ 1.9

21 .2+ 2.4

22 .4+ 3.6

355

3.2

-

12 .5+ 1.5

18 .3+ 2.1

21 .4+ 2.4

23 + 4.6

400

3.6

-

14 .1+ 1.7

20 .6+ 2.3

22 .9+ 3.0

23 .6+ 5.2

450

4.1

-

15 .8+ 2.6

22 .5+ 4.1

23 .7+ 4.8

-

500

4.5

14 .2+ 2.3

17 .6+ 2.9

25 .7+ 4.1

26 + 5.3

-

560

5.1

15 .9+ 2.6

19 .7+ 3.2

28 .7+ 4.5

-

-

630

5.5

17 .8+ 2.9

22 .1+ 3.4

32 .7+ 5.0

-

-

710

6.4

20 .1+ 3.2

25 .0+ 4.0

35 .5+ 5.5

-

-

800

7.2

22 .6+ 3.6

28 .2+ 4.5

-

-

-

900

7.6

23 .3+ 4.1

29 .5+ 4.8

-

-

-

1000

8.1

24 .2+ 4.3

31 .7+ 5.2

-

-

-