. Thil chi hrang hrang hmanga siam chawhmeh box-a temperature hman tur chu ngaihven ngei ang che. PP lunch box hian heat resistance a nei tha zawk a, chaw lum leh hot dishes te pawh a keng tel bawk. PS lunch box te hi a fragile zawk a, temperature 75℃a thlen chuan a nem tan ang , chuvangin ei tur chu hman hmain room temperature thlengin a lum hmasa phawt ang. Chu bakah, microwave-a ei tur chu PS lunch box-te nen direct-a tihlum loh tum ang che, a chhan chu low-temperature performance tha tak an nei a, refrigerated food holding atan an tha zawk bawk.
. Chaw ei tur leh chawhmeh bawmte inmil dan tur pawh ngaihtuah tel a ngai bawk. Chaw thau tam leh sugar tamna ei tur chu chawhmeh bawm chhungah dah loh tur a ni a, a chhan chu oil boiling point hian plastic a heat resistance limit a pelh theih avangin. Chutih rual chuan, chemical thil, ei tur leh plasticizer-a oil leh sugar ang chi, chawhmeh bawm chhunga chemical reaction te chu like dissolves like angin chemical reaction a tawk thei a, hei hian mipui hriselna leh ei leh in himna atana hlauhawm thei a ni.