???????????ISO 3606??1976???????PVC??? ???????
1 ?????????
??????????????????????PVC-U????????????????????????
??????????????????????PVC-U????
2 ????
GB 4217 ???????????????????????
GB 8806 ??????????
GB 10798 ????????????
3 ??????
3.1 ??
3.1.1 ?????de????GB 4217???????????????
3.1.2 ???????di?????????????????????????0.1mm???????????? ????
3.2 ????
3.2.1 ????????
??????????????dm???????de?????????dm-de?????????? ??? ??x???????????????
a.0.3mm
b.0.003de????0.1mm????????????????
?1????????????????????
?1?mm? ????
de | ????
????
dm-de | ????
de | ????
????
dm-de | ????
de | ????
????
dm-de | ????
de | ????
????
dm-de | 2.5
3
4
5
6
8
10
12
16
20 | +0.3
+0.3
+0.3
+0.3
+0.3
+0.3
+0.3
+0.3
+0.3
+0.3 | 25
32
40
50
63
75
90
110
125
140 | +0.3
+0.3
+0.3
+0.3
+0.3
+0.3
+0.3
+0.4
+0.4
+0.5 | 160
180
200
225
250
280
315
355
400
450 | +0.5
+0.6
+0.6
+0.7
+0.8
+0.9
+1.0
+1.1
+1.2
+1.4 | 500
560
630
710
800
900
1000 | +1.5
+1.7
+1.9
+2.2
+2.4
+2.7
+3.0 |
3.2.2 ???????????
???????????????????di???????de?????????di-de???????????? ??????? ?????x???????????????
a. 0.5mm
b. 0.012de,???0.1mm???????????????? ????
de | ??????
????
di-de | ????
de | ??????
????
di-de | ????
de | ??????
????
di-de | ????
de | ??????
????
di-de | 2.5
3
4
5
6
8
10
12
16
20 | +0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5 | 25
32
40
50
63
75
90
110
125
140 | +0.5
+0.5
+0.5
+0.6
+0.8
+0.9
+1.1
+1.4
+1.5
+1.7 | 160
180
200
225
250
280
315
355
400
450 | +2.0
+2.2
+2.4
+2.7
+3.0
+3.4
+3.8
+4.3
+4.8
+5.4 | 500
560
630
710
800
900
1000 | +6.0
+6.8
+7.6
+8.6
+9.6
+10.8
+12.0 |
4 ?????? 4.1 ??
4.1.1 ????(e):?GB 4217 ??????????????????GB 10798??????????? 0.1mm????????????????
4.1.2 ???????ei?????????????????????0.05mm?????????????5 ??5,??5?????
4.2 ??????
??????????????ei?????????ei-e???????? ?????y??0.1e+0.2mm?
???????0.1mm????? ???????????
5 ??????
????????? GB 8806?????? | 
