Synthetic resins yog ib chav kawm ntawm cov khoom sib xyaw ua ke siab -molecular polymers. Daim ntawv thov tseem ceeb tshaj plaws ntawm cov khoom siv hluavtaws yog hauv kev tsim cov yas. Txhawm rau txhim kho kev ua haujlwm thiab txhim kho kev ua haujlwm, cov khoom siv ntxiv feem ntau ntxiv; Qee lub sij hawm lawv kuj tau siv ncaj qha rau hauv kev ua thiab molding, yog li lawv feem ntau synonymous nrog plastics. Synthetic resins tseem yog cov khoom siv raw rau kev tsim cov hluavtaws fibers, coatings, adhesives, thiab insulating cov ntaub ntawv.

