PP, nke a makwaara dị ka polypropylene, bụ polymer nke polypropylene gbakwunyere mmeghachi omume alkene, bụ ihe na-acha ọcha waxy, nghọta na ìhè n'ọdịdị.The chemical usoro bụ (C3H6) x, njupụta bụ 0.89-0.91g / cm3, flammable, agbaze ebe 165 ℃, nro na 155 ℃, ojiji okpomọkụ nso bụ -30～140 ℃.N'okpuru 80 ℃ nwere ike iguzogide corrosion nke acid, alkali, nnu mmiri mmiri na a dịgasị iche iche nke organic solvents, nwere ike decomposed n'okpuru mmetụta nke elu okpomọkụ na ọxịdashọn.A na-eji polypropylene eme bristles pp, nke na-adịghị agbanwe agbanwe, na-eguzogide ọgwụ na nke na-adịghị mma karịa pbt, ya mere a na-eji ya na ọtụtụ brushes nhicha dị ala.

Ọ bụ ezie na pp bristles dị ọnụ ala, enwere ike iji ha meghee bọọdụ sekit, n'ihi gịnị?N'ihi na pp n'onwe ya na-ebu ọkụ eletrik, ọ bụrụ na ejikọtara ya na toner conductive dị elu, ọ ga-abụ ezigbo aka maka imeghe ihe dị ugbu a.