工程级聚丙烯管是将共聚级丙烯颗粒经加温挤出成型制得，能在 100 ℃ 以下输送各种化学腐蚀性介质，用于化工、制药、冶金、热电、电镀、食品等行业。
 性能指标
名 称 |
单 位 |
指 标 |
密 度 |
g/cm3 |
≥ 0.90～0.93 |
拉 伸 强 度 |
MPa |
≥ 23 |
断 裂 伸 长 率 |
% |
≥ 150 |
悬臂梁冲动强度 |
KJ/m2 |
≥ 10 |
热 变 形 温 度 |
℃ |
≥ 120 |
20 ℃ 液压试验
（瞬时爆破环向应力）
|
MPa |
≥ 20 |
扁 平 试 验 |
压到管材外径 1/2 无裂缝 |
线 膨 胀 系 数 |
10 -5m /m. ℃ |
≤ 13 |
管材规格（ mm ）
管材外径 |
外径偏差 |
0.3MPa |
0.4MPa |
0.6MPa |
0.8MPa |
1.0MPa |
De |
± |
S+ 偏差 |
S+ 偏差 |
S+ 偏差 |
S+ 偏差 |
S+ 偏差 |
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 |
3.2+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 |
23.2+2.6 |
315 |
2.9 |
|
11.1+1.3 |
16.2+1.9 |
21.2+2.4 |
26.1+3.6 |
355 |
3.2 |
|
12.5+1.5 |
18.3+2.1 |
23.9+3.7 |
29.4+4.6 |
400 |
3.6 |
|
14.1+1.7 |
20.6+2.3 |
26.9+4.2 |
33.2+5.2 |
450 |
4.1 |
|
15.8+2.6 |
23.3+3.7 |
30.5+4.8 |
|
500 |
4.5 |
14.2+203 |
17.6+2.9 |
25.7+4.1 |
33.9+5.3 |
|
560 |
5.1 |
15.9+2.6 |
19.7+3.2 |
28.7+4.5 |
|
|
630 |
5.5 |
17.9+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 |
8.1 |
25.5+4.0 |
31.7+4.9 |
|
|
|
|
