???λ??
??????????????????????????????
| ?????? | ??????? | ??????? |
| ??? | ?1??????????(?????+???) | ???????(PVC+???) |
| ???? | ?1?????????з? | ??????? |
| ?豸 | ?1????????豸 | ?????豸 |
| ??? | ??????????????? | ??????????????????? |
| ???? | ??????????????λ? | ???????????????λ? |
| ???? | ???? | С??????????? |
| ????? | ??????м????? | ?????????м???? |
| ?????? | ?????????????????????? | ????????????? |
| ???? | ?????? | ?????в??????? |
| ??????? | ??10??????? | ??????????? |
| ???? | ???????????? | ?????????????? |
| ??????? | ????30??????50?? | ????10??????30?? |
????????????????????????????????????
| ??????????? | ??????? | ?? | ????? | ????? | ????? |
| ?????? | ?? | ?? | ?? | ?? | ?? |
| ?????? | ?? | ?? | ?? | ??? | ?? |
| ?????? | ?? | ?? | ?? | ?? | ?? |
| ????? | ?? | ?? | ?? | ?? | ?? |
| ?????? | ?? | ?? | ?? | ?? | ?? |
| ??ù?? | ?? | ?? | ?? | ?? | ?? |
| ?????? | ?? | ?? | ?? | ?? | ?? |
| ?????? | ?? | ?? | ?? | ?? | ?? |
| ?????? | ?? | ?? | ?? | ?? | ?? |
| ????? | ??? | ?? | ?? | ?? | ?? |
| ????? | ??? | ?? | ?? | ??? | ?? |
| ?????? | ?? | ?? | ?? | ?? | ?? |
| ??????? | ?? | ?? | ?? | ?? | ?? |
PE???????????????????????????????????????????????????
| ?????? | ????? | PE??? | ????(PVC) | ????? | ??????????(PVC????) |
| UV??? | ASTM G154(1000H) | 3?? | 2?? | 1?? | 5?? |
| ??????? | ASTM D6109-05 ????A | 16MPa | 14.5MPa | 16MPa | 25MPa |
| ??????? | ASTM D2240-05 | 70.1 | 65 | 79-65 | 82 |
| ??????? | ASTM D7031-04 | ??? 95MG | ??? 180MG | ??? 205.7MG | ??? 25.9MG |
| ??????? | ASTM D7031-04 | 13.2MPA | 10.5MPA | 25MPA | 20.5MPA |
| ???????? | ASTM D4761-05 | 1.2% | 0.8% | 0.95% | 2.2% |
| ?????? | ASTM D7031-04 | ?? | ?? | ?? | ?? |
| ????? | ASTM G7031 | 0.5% | 0.35% | 10% | 0.22% |
| ????? | ASTM G7031 | 4.5% | 5.5% | 50% | 3.1% |
| ??????(??????) | ASTM D4761 | 0.65% | 0.85% | 20% | 0.28% |
| ??????(???????) | ASTM D4761-05 | 0.5% | 0.2% | 1.0% | 0.0456% |
| ???????? | ASTM C1028-07 | ??0.6 ?0.55 | ??0.62 ?0.53 | ??0.87 ?0.81 | ??0.85 ?0.81 |
| ??ù???? | ASTM G21-1996(2002) | 3?? (???) | 0?? (?????) | 6?? (???????) | 0?? (?????) |
| ??????? | Bf1-s1,t2 | ??? | ?? | ??? | ?? |
????????????????????????????
|
???????? ?????? |
?????????? |
???????? |
????? |
????? |
|
??????? |
20-50?? |
1-5?? |
1-5?? |
3-5?? |
|
?????????? |
?? |
?? |
50?/?? |
?? |
|
????????? |
?? |
?? |
?? |
?? |
|
????????? |
?? |
?? |
?? |
?? |
|
?????? |
???? |
???? |
?????? |
?????? |
|
????? |
???B?? |
???C?? |
????? |
????? |
|
??????? |
??????? |
?????? |
??????? |
??????? |
|
????? |
10?? |
?? |
?? |
?? |
