?????????????????????????????????????????????????????????????????????????????????????????16???????16????????????????????????????????????? ????????(?1,2????OPP?)???????????1,?????????,????,??????,????,????????2,?????,???????????????????0.5-1mm??????,?????????,???????????????3,??PET+?????,????,????????,????????,????,????,??,???????,???????,?????????,???,?????2-3?,????????,???????4,????,????,????????????,?????????5,????????,????????,????????,???????????,????????,????????????,?????????,??????????6.????????????????4H??????90%,???????????????99%,??????????????