Kraft daim ntawv Hnab

Kuj tseem hu ua ntuj kraft ntawv. Muaj lub zog loj tensile, siab toughness, feem ntau brownish daj, siab rhuav kuj, tawg thiab dynamic lub zog, dav siv hauv khw hnab, hnab ntawv, thiab lwm yam Cov tuab yog 120 grams-300 gram ntawm ntuj kraft ntawv. Kraft daim ntawv feem ntau haum rau luam tawm ib-xim lossis ob-xim thiab tsis sau cov ntawv sau. Piv rau daim duab ntawv xim dawb thiab ntawv kraft dawb ntawv npuag, ntawv kraft daj muaj tus nqi qis tshaj.