Plastic ni gaw n-gun n law ai, n-gun n-gun, n-gun kaba ai, n-gun kaba ai, kaja dik ai wan n-gun, etc.}} Shi a galaw shapraw ai tsawm htap ai hte nsam amyu myu nga ai arung arai amyu myu gaw masha ni a bu hpun palawng, lu sha, nta hte htawt sit ai lam a matu ahkyak ai lam ni byin wa ai rai yang, ahkyak ai arung arai ni a matu ahkyak ai lam ni byin wa sai raitim, ahkyak ai arung arai ni a matu ahkyak ai lam ni byin wa sai raitim, plastic gaw hkum tsup ai n re, nkau mi gaw n-gun n rawng ai, nkau mi gaw n-gun n rawng ai, nkau mi gaw n-gun n rawng ai, etc., n-gun n rawng ai. additives (ad additives ngu nna mung shamying ai) hpe jat nna plastic ni a bungli hpe grau kaja hkra galaw ra ai..
Additives ni gaw plastic langai a molecular structure hta bra ayai nga ai chemical ni rai nna, plastic a molecular structure hpe grai n hkra ai, raitim, shi a atsam marai ni hpe grau kaja hkra galaw ya lu ai (sh) manu jahpu hpe shayawm ya lu ai chemical ni rai nga ai.
Plastic additives a amyu myu nga ai. hta, antioxidants ni, plasticizesizes ni, nhtoi n-gun shayawm ai ni, magri hpe n-gun shayawm ai ni, hte dai zawn re ai ni nga ai, dai ni gaw plastic arung arai ni hpe ngut kre hkra galaw na matu additives ni hte jat bang ra ai. 1990 ning hta polyethylene films. Dai hkra machyi ai lam hpe galai shai ai lam gaw plastic ni a ngang kang ai lam hpe grau kaja hkra galaw ya ai polymer arung arai langai mi re.