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高密度聚乙烯外套管
聚乙烯外套管采用高密度聚乙烯材料制成，具有極高的機(jī)械強(qiáng)度和優(yōu)良的耐腐蝕性能，可以保護(hù)管材在運(yùn)輸、安裝及使用過(guò)程中避免因外界因素而造成的破壞。
制造外套管應(yīng)添加抗氧劑、紫外線穩(wěn)定劑和碳黑等。
廊坊渤海聚氨酯有限公司擁有廠房面積6000平方米，廠區(qū)配有24m龍門吊兩臺(tái)，車間配有20m行車兩臺(tái)，HDPE夾克管生產(chǎn)線十條，具備年產(chǎn)HDPE夾克管800Km、預(yù)制聚氨酯直埋管400Km、玻璃鋼聚氨酯直埋管300Km、預(yù)制鋼套蒸汽直埋管100Km的生產(chǎn)力。
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生產(chǎn)工藝
1、上料 2、擠出 3、模具 4、冷卻 5、牽引 6、內(nèi)表面電暈處理 7、切割 8、檢驗(yàn) 9、成品
高密度聚乙烯外護(hù)管性能指標(biāo)
項(xiàng)目
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測(cè)試方法
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指標(biāo)
|
拉伸屈服強(qiáng)度
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GB/T8004.2
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≥19MPa
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斷裂伸長(zhǎng)率
|
GB/T8004.2
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≥350%
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密度
|
GB/T1033
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≥940Kg/m3
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熔體流動(dòng)速率
|
GB/T3682
|
0.5g/10min
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縱向回縮率
|
GB/T6671.2
|
≤3%
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長(zhǎng)期機(jī)械性能
|
GB/T6111
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>1500h
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熱穩(wěn)定性
|
GB/T7391
|
>20min
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碳黑含量
|
GB/T3021
|
2.5±0.5%
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電暈效果
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DY試劑
|
≥50DYn/cm
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高密度聚乙烯外護(hù)管規(guī)格表
外徑mm
|
標(biāo) 準(zhǔn) 型
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薄壁型
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對(duì)應(yīng)鋼管外徑mm
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對(duì)應(yīng)保溫層厚度mm
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對(duì)應(yīng)套袖mm
|
||||
壁厚mm
|
重量Kg
|
允許偏差mm
|
壁厚mm
|
重量Kg
|
允許偏差mm
|
||||
92
|
2.5
|
0.675
|
±0.23
|
2.0
|
0.543
|
±0.2
|
27 34?
|
30 27
|
110
|
100
|
2.5
|
0.735
|
±0.23
|
2.0
|
0.591
|
±0.2
|
34
|
31
|
110
|
110
|
2.5
|
0.811
|
±0.23
|
2.0
|
0.651
|
±0.2
|
48
|
29
|
121
|
121
|
2.5
|
0.893
|
±0.23
|
2.0
|
0.718
|
±0.2
|
57
|
30
|
125
|
125
|
2.5
|
0.924
|
±0.23
|
2.0
|
0.742
|
±0.2
|
57 60
|
31 30
|
133
|
133
|
2.5
|
0.984
|
±0.23
|
2.0
|
0.790
|
±0.2
|
57 60
|
36 34
|
142
|
142
|
3
|
1.258
|
±0.25
|
2.0
|
0.844
|
±0.2
|
76
|
31
|
155
|
150
|
3
|
1.330
|
±0.25
|
2.0
|
0.893
|
±0.2
|
76
|
35
|
165
|
155
|
3
|
1.375
|
±0.25
|
2.0
|
0.923
|
±0.2
|
89
|
31
|
165
|
161
|
3
|
1.430
|
±0.25
|
2.0
|
0.959
|
±0.2
|
89
|
34
|
175
|
165
|
3
|
1.466
|
±0.25
|
2.0
|
0.983
|
±0.2
|
89
|
36
|
175
|
171
|
3
|
1.520
|
±0.25
|
2.0
|
1.019
|
±0.2
|
89
|
39
|
180
|
175
|
3
|
1.556
|
±0.25
|
2.0
|
1.044
|
±0.2
|
108
|
31
|
180
|
180
|
3
|
1.601
|
±0.25
|
2.0
|
1.074
|
±0.2
|
108? 114
|
33 31
|
188
|
188
|
3
|
1.674
|
±0.25
|
2.0
|
1.122
|
±0.2
|
114
|
35
|
200
|
194
|
3
|
1.728
|
±0.25
|
2.0
|
1.158
|
±0.2
|
108
|
41
|
200
|
200
|
3.2
|
1.899
|
±0.26
|
2.2
|
1.312
|
±0.21
|
133
|
31
|
211
|
208
|
3.2
|
1.977
|
±0.26
|
2.2
|
1.365
|
±0.21
|
133
|
35
|
219
|
211
|
3.2
|
2.005
|
±0.26
|
2.2
|
1.385
|
±0.21
|
133
|
31
|
219
|
219
|
3.2
|
2.083
|
±0.26
|
2.2
|
1.438
|
±0.21
|
133
|
40.8
|
225
|
225
|
3.5
|
2.338
|
±0.28
|
2.5
|
1.678
|
±0.23
|
140 159
|
40 30
|
238
|
230
|
3.5
|
2.391
|
±0.28
|
2.5
|
1.715
|
±0.23
|
165
|
30
|
238
|
238
|
3.5
|
2.475
|
±0.28
|
2.5
|
1.776
|
±0.23
|
159
|
37
|
245
|
245
|
3.5
|
2.549
|
±0.28
|
2.5
|
1.828
|
±0.23
|
159
|
39
|
265
|
250
|
3.9
|
2.894
|
±0.30
|
2.5
|
1.866
|
±0.23
|
159
|
43
|
265
|
265
|
3.9
|
3.071
|
±0.30
|
2.5
|
1.979
|
±0.23
|
165
|
47
|
285
|
280
|
4.4
|
3.657
|
±0.32
|
3.0
|
2.506
|
±0.25
|
165
|
53
|
290
|
285
|
4.4
|
3.724
|
±0.32
|
3.0
|
2.551
|
±0.25
|
219
|
30
|
290
|
290
|
4.4
|
3.790
|
±0.32
|
3.0
|
2.597
|
±0.25
|
219
|
32
|
302
|
300
|
4.4 |
3.923
|
±0.32
|
3.0
|
2.687
|
±0.25
|
219
|
37
|
310
|
305
|
4.4 |
3.989
|
±0.32
|
3.0
|
2.732
|
±0.25
|
219
|
40
|
310
|
310
|
4.4
|
4.055
|
±0.32
|
3.0
|
2.778
|
±0.25
|
219
|
42
|
327
|
315
|
4.9
|
4.583
|
±0.35
|
3.5
|
3.288
|
±0.27
|
219
|
44
|
327
|
325
|
4.9
|
4.730
|
±0.35
|
3.5
|
3.394
|
±0.27
|
219
|
49.5
|
335
|
327
|
4.9
|
4.760
|
±0.35
|
3.5
|
3.415
|
±0.27
|
219
|
50
|
345
|
335
|
4.9
|
4.878
|
±0.35
|
3.5
|
3.499
|
±0.27
|
219
|
54
|
345
|
345
|
4.9
|
5.026
|
±0.35
|
3.5
|
3.605
|
±0.27
|
273
|
32
|
365
|
355
|
4.9
|
5.174
|
±0.35
|
3.5
|
3.710
|
±0.27
|
273
|
37
|
365
|
361
|
5.6
|
6.002
|
±0.38
|
4.0
|
4.307
|
±0.3
|
273
|
40
|
385
|
365
|
5.6
|
6.070
|
±0.38
|
4.0
|
4.355
|
±0.3
|
273
|
42
|
385
|
381
|
5.6
|
6.340
|
±0.38
|
4.0
|
4.548
|
±0.3
|
273
|
40
|
440
|
385
|
5.6
|
6.408
|
±0.38
|
4.0
|
1.596
|
±0.3
|
273
|
52
|
440
|
400
|
6.3
|
7.480
|
±0.57
|
5.0
|
5.956
|
±0.47
|
325
|
32
|
417
|
407
|
6.3
|
7.613
|
±0.57
|
5.0
|
6.062
|
±0.47
|
325
|
35
|
420
|
417
|
6.3
|
7.803
|
±0.57
|
5.0
|
6.213
|
±0.47
|
325
|
41
|
439
|
420
|
7.0
|
8.719
|
±0.63
|
5.0
|
6.258
|
±0.47
|
325
|
42
|
439
|
433
|
7.0
|
8.994
|
±0.63
|
5.0
|
6.454
|
±0.47
|
325
|
49
|
450
|
439
|
7.0
|
9.120
|
±0.63
|
5.0
|
6.544
|
±0.47
|
325
|
52
|
450
|
450
|
7.0
|
9.352
|
±0.63
|
5.0
|
6.710
|
±0.47
|
377
|
31
|
464
|
464
|
7.0
|
9.648
|
±0.63
|
5.0
|
6.922
|
±0.47
|
377
|
31
|
470
|
470
|
7.0
|
9.775
|
±0.63
|
5.0
|
7.012
|
±0.47
|
377
|
41
|
500
|
475
|
7.0
|
9.880
|
±0.63
|
5.0
|
7.087
|
±0.47
|
377
|
44
|
500
|
485
|
7.0
|
10.091
|
±0.63
|
5.0
|
7.238
|
±0.47
|
377
|
40
|
500
|
490
|
7.0
|
10.197
|
±0.63
|
5.0
|
7.314
|
±0.47
|
377
|
51
|
500
|
500
|
7.8
|
11.579
|
±0.69
|
6.0
|
7.939
|
±0.55
|
377
|
55
|
520
|
520
|
7.8
|
12.049
|
±0.69
|
6.0
|
9.301
|
±0.55
|
426
|
41
|
525
|
525
|
7.8
|
12.166
|
±0.69
|
6.0
|
9.392
|
±0.55
|
426
|
43
|
535
|
530
|
7.8
|
12.284
|
±0.69
|
6.0
|
9.482
|
±0.55
|
426
|
46
|
550
|
535
|
7.8
|
12.402
|
±0.69
|
6.0
|
9.572
|
±0.55
|
426
|
48
|
550
|
550
|
8.8
|
14.363
|
±0.76
|
6.5
|
10.655
|
±0.58
|
426
|
55
|
568
|
568
|
8.8
|
14.841
|
±0.76
|
6.5
|
11.077
|
±0.58
|
478
|
40
|
600
|
580
|
8.8
|
15.195
|
±0.76
|
6.5
|
11.243
|
±0.58
|
478
|
44
|
600
|
590
|
8.8
|
15.425
|
±0.76
|
6.5
|
11.439
|
±0.58
|
478
|
50
|
630
|
600
|
8.8
|
15.690
|
±0.76
|
6.5
|
11.635
|
±0.58
|
478
|
54
|
655
|
622
|
8.8
|
16.274
|
±0.76
|
6.5
|
12.066
|
±0.58
|
478
|
65.5
|
655
|
630
|
9.8
|
18.331
|
±0.84
|
8.0
|
15.077
|
±0.70
|
529
|
42
|
655
|
641
|
9.8
|
18.656
|
±0.84
|
8.0
|
15.273
|
±0.70
|
529
|
48
|
655
|
655
|
9.8
|
19.069
|
±0.84
|
8.0
|
15.610
|
±0.70
|
529
|
55
|
685
|
685
|
9.8
|
19.965
|
±0.84
|
8.0
|
16.334
|
±0.70
|
529
|
70
|
710
|
700
|
9.8
|
20.695
|
±0.84
|
8.0
|
16.937
|
±0.70
|
529
|
80
|
733
|
733
|
11.1
|
24.167
|
±0.93
|
8.0
|
17.492
|
±0.70
|
630
|
43
|
760
|
740
|
11.1
|
24.401
|
±0.93
|
8.0
|
17.661
|
±0.70
|
630
|
47
|
760
|
746
|
11.1
|
24.602
|
±0.93
|
8.0
|
17.806
|
±0.70
|
630
|
50
|
760
|
750
|
11.1
|
24.736
|
±0.93
|
8.0
|
17.903
|
±0.70
|
630
|
52
|
777
|
760
|
11.1
|
25.071
|
±0.93
|
8.0
|
18.144
|
±0.70
|
630
|
57
|
777
|
777
|
11.1
|
25.640
|
±0.93
|
8.0
|
18.554
|
±0.70
|
630
|
65.5
|
795
|
795
|
11.1
|
26.212
|
±0.93
|
8.0
|
18.988
|
±0.70
|
630
|
74
|
830
|
830
|
11.1
|
27.414
|
±0.93
|
8.0
|
19.833
|
±0.70
|
720
|
47
|
850
|
850
|
12
|
30.328
|
±1.0
|
9.0
|
22.828
|
±0.77
|
720
|
56
|
885
|
885
|
12
|
31.595
|
±1.0
|
9.0
|
23.77
|
±0.77
|
720
|
73
|
-
|
911
|
12
|
33.730
|
±1.0
|
9.0
|
25.379
|
±0.77
|
820
|
53
|
988
|
988
|
12
|
35.232
|
±1.0
|
9.0
|
26.573
|
±0.77
|
820
|
75
|
1054
|
1044
|
14
|
43.490
|
±1.15
|
10
|
31.185
|
±0.85
|
920
|
48
|
-
|
1054
|
14
|
43.912
|
±1.15
|
10
|
31.486
|
±0.85
|
920
|
57
|
1095
|
1095
|
14
|
45.643
|
±1.15
|
10
|
32.732
|
±0.85
|
920
|
77
|
-
|
1155
|
14
|
48.477
|
±1.15
|
10
|
34.532
|
±0.85
|
1020
|
57
|
1210
|
1192
|
14
|
49.739
|
±1.15
|
10
|
35.648
|
±0.85
|
1020
|
72
|
-
|
1210
|
14
|
50.499
|
±1.15
|
10
|
36.191
|
±0.85
|
1020
|
95
|
-
|
1380
|
14
|
57.677
|
±1.15
|
10
|
41.318
|
±0.85
|
1220
|
70
|
1430
|
