"Kev sib tw technology" thiab "kev nyab xeeb sab hauv kev nyab xeeb" yog qhov loj tshaj ob yam hauv kev ua tsheb. Txhawb txoj kev loj hlob ntawm cov tsheb sib tsoo, siv cov ntaub ntawv qhia lwm yam thiab kev ua haujlwm siab dua lwm tus thiab cov txheej txheem tshiab molding tau los ua lub hauv paus ntawm kev tsim kho tsheb. Tam sim no cov khaub-ncaws pob ntau tshaj plaws nyob rau hauv lub tshuab ua teb, cov khoom qis qis PP
Low-density PP yog PP khoom uas muaj qhov tsawg tsawg (0.95g / cm3), flexural modulus siab thiab siab zog. Nws muaj tib lub ntsws li PP + EPDM-T20 thiab tuaj yeem ua pov hwm. Cov khoom xws li rods, instrument panels, thiab qhov rooj panels hloov PP + EPDM-T20 khoom (qhov hnyav 1.05g / cm3), uas muaj qhov nyhav nyhav nyhav nyhav nyhav nyuab, thiab tib lub sij hawm, zoo dua qhov kev ntsuas thiab kev ua haujlwm zoo.
