Ntuj roj hmab
Ntuj roj hmab ntuj roj hmab yog ib hom ntuj molecular compound nrog polyisoprene ua lub ntsiab tivthaiv. Nws cov mis molecular yog (c5h8) n. 91% ~ 94% ntawm nws cov khoom yog roj hmab hydrocarbons (polyisoprene), thiab qhov seem yog cov khoom tsis muaj roj hmab xws li cov protein, fatty acid, tshauv, qab zib, thiab lwm yam. Cov roj hmab ntuj yog cov roj hmab uas siv dav tshaj plaws.
Corrosion kuj
Nws muaj elasticity siab thiab me ntsis plasticity ntawm chav tsev kub, thiab crystallizes thiab hardens ntawm qhov kub thiab txias. Nws muaj alkali tsis kam, tab sis tsis muaj zog acid kuj. Nws yog insoluble hauv dej, qis ketones thiab cawv, thiab tuaj yeem o ntawm cov kuab tshuaj uas tsis yog-polar xws li chloroform thiab carbon tetrachloride.
Post lub sij hawm: Jun-04-2021
