Ko te whakarewa ngā P4, hanganga

Hoki angitu ngā mahi peita e hoki adjuvants nui pērā i whakarewa, tona whakamahi he tika ki te faaineine i te mata, me te hoatu i te ōritetanga e hiahiatia ana o ngā rauemi peita. I roto i tēnei tuhinga ka aparau i tatou i te P4 whakarewa, i te mea tetahi o te tino rongonui, me te pai-mohiotia i roto i te mākete o rauemi rite.

āhuatanga General

P4 whakarewa - he whakarewa organic i te mea he wai te huitahi mārama (i roto i ētahi wā kia whai i te kauruku kowhai) kahore matūriki whakatārewatia kitea. āhuatanga i te reira e te kakara motuhake, me te pähekeheke tiketike. Ko te uara toharite o te kiato whanaunga o te taonga, ko te 0.85 g ia cc. cm. autoignites i te pāmahana o 550 nekehanga. whakaputaina te reira i rite ki nga paerewa whakaritea e te GOST 7827-74. I whakaputahia i roto i te ipu ahumahi - kirihou me ipu karaihe (ipu) o ngā rahi.

P4 whakarewa: hanganga

P4 - he ranunga o toru whakarewa organic, e ngātahi whiwhi te kakama noa nui. Kei roto te reira i te matū e whai ake nei:

• Toluene - 62%;

• hauwaiwaro - 26%;

• butyl tāpia - 12%.

Nā ki tenei hanganga He āhuatanga kiritaki pai, me te whakakorenga tōtika tiketike o varnishes me peita rawaka whakarewa. Taua whakauru rite butyl tāpia, faarahi te kiriata mōhinuhinu tono coatings me ārai WHITENING me te bleaching.

Ko te tawhā hangarau matua o te whakarewa

Ko te P4 whakarewa (GOST 7827-74) i te āhuatanga e whai ake nei:

• te pähekeheke uara tohu o Etera te Ethyl i roto i te whānui i te 5 ki te 15;

• Ko e kore e iti iho i te 24% te tau coagulation;

• e kore te mea neke atu i te 0.7% i te rahi o te wai (i te papatipu);

• te maha waikawa o kore ake atu i te 0,07 mg KOH / g.

Wātea rite kōeke whakarewa P-4A. Ko te kaiwhakahohe me P4 whakarewa - analogs o ngā. Heoi, rerekē ratou ahua i roto i te hanganga, mai, kia rite ki nga whakaritenga o GOST, i roto i te P-4A e kore e ngā butyl tāpia. Ko tētahi atu rerekētanga ko e enei tohu e taea waitohu whakarewa F-4A, pērā P4 tareka korahirahi CHV-124 (tiaki, me te hina).

Ai whakamahia te whakarewa P4?

Ko te kaiwhakahohe whakamahia mo te tupuranga o peita pato PSC PSC ln me LS, te pūtake mo te hanga e kua chlorinated resins polyvinyl pūhaumāota, resins epoxy, copolymers pūhaumāota vinyl me etahi atu matū kiriata-hanga.

Dosing - me pehea ki te waimeha te peita P4 whakarewa?

Kei te tāpiri P4 whakarewa i roto i te tetahi rauemi (wanihi peita ranei) i roto i wahi iti noa te ōritetanga e hiahiatia ana. peita muia (kararehe) titau te reira faaururaa tamau.

I muri tono te rite paninga evaporates whakarewa me te rauemi tā kiriata-hanga, tahuri ki te paninga tiaki. He mea nui ka mahi ki te whakarewa ki te karo i tomo ki o te wai rite te wahi o te hauwaiwaro kia ngāwari uru ki taua mea, me tenei i roto i te tahuri ka arahi ki te āhua o te tae WHITENING ranei o te koti mārama.

whakatūpatotanga haumaru ina mahi ki P4 whakarewa

Kia mahara te reira e no te rauemi ki te toxicant me kia whai i te pā tōraro i runga i te tinana tangata, tukua nei i inhalation, a ô i te kiri. Na roto i te taea te rongo pānga kino roa o te whakarewa i runga i te hinu wheua wheua , me te toto. I roto i te take o te whakapā auroa ki te kiri kia hanga e dermatitis.

Whakaaro i te runga ake katoa, me kia kia kawea te P4 whakarewa i roto i runga i te whare, te whakarato ventilation pai. Ko reira faufaa hoki ki te whakamahi i ngā taputapu tiaki ki te ārai i te rongo ki matū kino i roto i te pūnaha romahā, kanohi, me te kiri o te ringa (respirator, karapu, mōwhiti).

P4, me te he maha o te tahi atu whakarewa, āhuatanga e te nui rawa o te ati ahi. I ngāwari mura te ranunga, a, ano, he taikaha. hanga ake Couples nga matū e whai taonga ki te kohikohi i te whakarewa ko te taikaha ano. Na reira, he tikanga matua mō te whakarewa he ki te ū ki te whakaritenga haumaru ahi.