N'agbanyeghị ma mkpụrụ ahụ ọ bụ plastik, akwụkwọ ma ọ bụ akwa akwa, ike ntanye nke teepu na-abịa site na oyi akwa nke nrapado n'elu nke mkpụrụ.Njirimara anụ ahụ nke nrapado na-ekpebi ozugbo ike nrapado nke teepu.N'ezie, e nwere ọtụtụ ụdị nke teepu, roughly kewara n'ime nrụgide-mmetụta teepu, mmiri na-arụ ọrụ teepu, okpomọkụ mmetụta teepu, wdg N'ime ha, nrụgide mmetụta teepu na-kasị eji ná ndụ anyị.Achọghị ọgwụgwọ pụrụ iche ma ọ bụ ịgbalite ya, enwere ike nweta ya site na ịpị akara ụfọdụ.Mmetụta nrapado.Ihe ntanye nke nrụgide (nke a na-akpọkwa onwe ya) na teepu bụ ihe na-elekwasị anya na mkparịta ụka anyị.

Nrụgide mmetụta nrapado bụ ụdị polymer ihe na kemgwucha elu viscosity na ụfọdụ elasticity, dị ka acrylate polymer, roba, silicone roba, wdg The adhesiveness nke teepu bụ a siri ike anụ ahụ usoro, kewara abụọ nzọụkwụ nke infiltration na adhesion, na viscoelasticity nke polymers.Ọ na-arụ ọrụ dị mkpa ebe a: Nke mbụ, viscous adhesive nwere ụfọdụ arụmọrụ mmiri, na ike elu nke molecule adhesive dị nnọọ ala, nke na-eme ka nrapado nwere ike ịbanye n'elu ihe ahụ n'ụzọ dị mfe, na elasticity na-eme mgbe a na-agbanye ya. ụmụ irighiri ihe nrapado nwere ike ịgbakọta ọnụ kama apịpịa ya n'akụkụ;mgbe ahụ, usoro adhesion bụ ihe si na njikọ na nchikota nke nrapado.

Enwere ụfọdụ teepu, adhesion ga-abawanye na oge.Nke a bụ n'ihi na nrapado chọrọ ogologo oge iji mee ka mmiri dị n'elu ihe ahụ ma "na-asọba" n'ime oghere na oghere.Tụkwasị na nke ahụ, ụfọdụ ndị na-eche na teepu bụ nanị teepu nke ejiri gluu kpuchie ya.Okwu a bụ ihe na-ezighị ezi kpamkpam, n'ihi na gluu bụ kpamkpam n'ụdị mmiri mmiri, ka o wee nweta wettability, na nchikota ya na adhesion ga-echere ruo mgbe Ọ ga-abụ nanị na-egosipụta mgbe ikuku-ihicha.Ọzọkwa, njikọ gluu bụ usoro a na-apụghị ịgbagha agbagha.Ozugbo a dọwara ya, a pụghị ijikọ ya ọzọ.N'oge okirikiri nke teepu teepu, nrapado na-edobe viscoelasticity ma bụrụ nke a na-atụgharị n'akụkụ ya.usoro.