| Constitute a structure of four... |
| 作者:Asta news 时间:2011/11/22 |
Constitute a structure of four kinds of typical composi
The typical plastic compound tube structure of four kinds:
1, polyethylene (outer layer) / adhesive resin (white) / ethylene vinyl alcohol / adhesive resin / polyethylene (inner layer). 2, polyethylene (outer layer) / adhesive resin (white) / polyester (or SiO, A12O3 plating, etc.) / adhesive resin A1203 / polyethylene (inner layer). 3, polyethylene / adhesive resin (white) / polyester / adhesive resin. 4, polyethylene / adhesive resin / ethylene vinyl alcohol / adhesive resin / polyethylene. |
