Ihe mkpuchi ala polyurea na-eguzogide agba polyurea
Nkọwa ngwaahịa
Ihe mkpuchi polyurea na-abụkarị ihe mejupụtara isocyanate na polyether amines. Ngwa ngwa ugbu a maka polyurea bụ MDI, polyether polyols, polyether polyamines, amine chain extenders, ihe mgbakwunye dị iche iche na-arụ ọrụ, pigmenti na fillers, na ihe ndị na-arụ ọrụ. Ihe mkpuchi nke polyurea nwere njirimara nke ngwa ngwa ọgwụgwọ ngwa ngwa, ngwa ngwa na-ewu ngwa ngwa, ezigbo mgbochi corrosion na arụmọrụ mmiri, oke okpomọkụ, na usoro dị mfe. Ha na-adabara maka ụlọ ọrụ mmepụta ihe dị iche iche na ebe a na-egwuputa ihe, ebe a na-adọba ụgbọala, ebe egwuregwu, wdg, maka mkpuchi ala na ihe ndị a chọrọ maka mgbochi-slip, mgbochi corrosion na iyi nguzogide.
NDỤMỌDỤ NKE EKPERE
- Nguzogide iyi kachasị elu, na-eguzogide ọkọ, ogologo ndụ ọrụ;
- Ọ nwere ike ka mma karịa ala epoxy, na-enweghị peeling ma ọ bụ mgbawa:
- Ọnụ ọgụgụ esemokwu dị elu dị elu, na-eme ka ọ na-eguzogide ọgwụ karịa ala epoxy.
- Nhazi ihe nkiri otu uwe, ihicha ngwa ngwa, iwu dị mfe na ngwa ngwa:
- Mkpuchi mkpuchi nwere ọmarịcha nrapado ma dị mfe ịrụkwa ya.
- Enwere ike ịhọrọ agba n'efu. Ọ mara mma ma na-egbuke egbuke. Ọ naghị egbu egbu na gburugburu ebe obibi.
Usoro ihe owuwu
Egwuregwu Egwuregwu
- 1. Ngwọta dị n'elu: Wepu uzuzu, mmanu mmanu, ntinye nnu, nchara, na ntọhapụ sitere na ala ala site na-ebu ụzọ kpochaa wee kpochaa. Mgbe egwerichara nke ọma, a na-eme nchịkọta uzuzu agụụ.
- 2. Ngwa ngwa ngwa pụrụ iche: Mpịakọta tinye primer pụrụ iche maka polyurea iji mechie pores capillary, belata ntụpọ mkpuchi, ma mee ka adhesion dị n'etiti mkpuchi polyurea na ala ala.
- 3. Patching na polyurea putty (dabere na isi ala na-eyi ọnọdụ): Jiri ihe mkpuchi pụrụ iche maka polyurea rụkwaa ma dozie elu ala. Mgbe ọgwụgwọ gasịrị, jiri wheel egweri eletrịkị mee ka ájá dị nke ọma wee jiri ihe mkpocha na-ehicha ya.
- 4. Mpịakọta tinye primer pụrụ iche maka polyurea: Mechie elu ala, na-abawanye ụbara n'etiti polyurea na isi.
- 5. Gbasaa mkpuchi mkpuchi mmiri nke polyurea: Mgbe ị nwalere ịgbasa, fesaa n'usoro nke elu ruo na ala na ala, na-agagharị na obere mpaghara na usoro crosswise na longitudinal. Ihe mkpuchi mkpuchi bụ 1.5-2mm. A na-emecha spraying ahụ n'otu oge. Enwere ike ịchọta ụzọ ndị akọwapụtara na "Nkọwapụta mkpuchi mkpuchi Polyurea Engineering". Ọ na-arụ ọrụ dị mkpa na mkpuchi mmiri, ọ na-eguzogide iyi na-eguzogide ọgwụ.
- 6. fesa / mpịakọta tinye akwa akwa akwa pụrụ iche maka polyurea: Gwakọta onye na-ahụ maka isi na onye na-agwọ ọrịa n'ụzọ kwesịrị ekwesị, kpalie nke ọma, ma jiri ihe mkpuchi pụrụ iche na-atụgharị polyurea topcoat mkpuchi na mkpuchi mkpuchi polyurea kpamkpam. Ọ na-eguzogide ụzarị ultraviolet, na-egbochi ịka nká na mgbanwe agba.
Ala ụlọ ọrụ
- 1. Ngwọta ntọala: Kpochapụ oyi akwa na-ese n'elu mmiri na ntọala ahụ, na-ekpughe elu ala siri ike. Gbaa mbọ hụ na ntọala ahụ ruru ọkwa C25 ma ọ bụ n'elu, dị larịị ma kpọọ nkụ, enweghị uzuzu, ọ naghịkwa agba aja. Ọ bụrụ na enwere mmanụ aṅụ, ebe ndị siri ike, mgbawa, wdg, wee jiri ihe ndozi na-arụzi ma mee ka ọ dị elu iji hụ na ọ ga-adịte aka.
- 2. Ngwa ngwa nke polyurea: Tinye polyurea pụrụ iche primer ọbụna na ntọala iji mechie pores capillary n'elu, mee ka usoro ala dị elu, belata ntụpọ dị na mkpuchi mgbe ọ gbasasịrị, ma mee ka adhesion dị n'etiti polyurea putty na ciment, ala ala. Chere ruo mgbe a gwọrọ ya nke ọma tupu ịga n'ihu na nzọụkwụ ọzọ nke owuwu. Ọ bụrụ na enwere nnukwu oghere nke mkpughe ọcha mgbe etinyere ya, ọ dị mkpa ka etinyegharịa ya ruo mgbe ala dum na-egosi agba aja aja.
- 3. Ngwa polyurea putty: Tinye polyurea pụrụ iche putty nke dabara na ntọala ahụ iji mee ka ala dị larịị, mechie pores capillary nke na-adịghị ahụ anya na anya gba ọtọ, ma zere ọnọdụ ebe nsị nke polyurea na-akpata pinholes n'ihi oghere capillary na ala. Chere ruo mgbe a gwọrọ ya nke ọma tupu ịga n'ihu na nzọụkwụ ọzọ nke owuwu.
- 4. Ngwa polyurea primer: Na polyurea putty a gwọrọ, tinye polyurea primer nke ọma ka ọ dịkwuo irè n'etiti ihe mkpuchi polyurea na-agbapụta na polyurea putty.
- 5. Ịgba ihe owuwu polyurea: N'ime awa 24 ka ọ gwọchara primer, jiri ngwá ọrụ ịgbasa ọkachamara na-efesa polyurea nke ọma. Elu nke mkpuchi kwesịrị ịdị mma, na-enweghị ịgba ọsọ, pinholes, afụ, ma ọ bụ mgbawa; maka mmebi mpaghara ma ọ bụ pinholes, enwere ike iji nrụzi polyurea akwụkwọ ntuziaka.
- 6. Ngwa uwe elu nke polyurea: Mgbe elu polyurea kpọchara, tinye akwa mkpuchi polyurea iji gbochie ịka nká, ngbanwe, ma mee ka ihe mgbochi na-eyi nke mkpuchi polyurea, na-echebe mkpuchi polyurea.
Ngwuputa akụrụngwa
- 1. Metal mkpụrụ, sandblasting maka nchara mwepụ ruru SA2.5 ọkọlọtọ. Elu enweghị ntụ ntụ, ntụpọ mmanụ, wdg A na-eme ọgwụgwọ dị iche iche dịka ntọala si dị.
- 2. Ịfesa primer (iji kwalite adhesion nke polyurea na ntọala).
- 3. Polyurea spraying na-ewu (isi ọrụ nchebe oyi akwa. A na-atụ arokarị ka ọkpụkpụ dị n'etiti 2mm na 5mm. A na-enye atụmatụ ihe owuwu kpọmkwem dị ka ngwaahịa ndị kwekọrọ).
- 4. Topcoat brushing / spraying ewu (mgbochi edo edo, mgbochi UV, na-abawanye ụdị agba dị iche iche).
