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Onye na-eweta ihe nchekwa gburugburu ụwa

Na Nchekwa Ngwọta Ihe Ọhụrụ

Resorcinol formaldehyde resin

Ngwaahịa a bụ enyi na gburugburu ebe obibi, yana ọdịnaya phenol na-efu dị ala. Na usoro nke ngwakọta ngwakọta na ọkara-mechara ngwaahịa nhazi, nsogbu nke flue gas na ịgba nke compound nwere ike belata nke ukwuu. N'oge okpomọkụ vulcanization, ọ nwere ike ime ngwa ngwa na onye nyere onyinye methylene, si otú a na-ekere òkè n'ịkwalite adhesion. Ọ nwere ike dochie resorcinol dị ọcha, resorcinol a chụsasịrị na mbụ na resorcinol ndị ọzọ na-emekọ ihe n'ihu n'ihu n'ịhụ na arụmọrụ nke ogige ahụ, si otú ahụ belata mmetụta ọjọọ na ahụ mmadụ na gburugburu ebe obibi. A na-ejikarị eme ihe maka ijikọ roba na ihe ọkpụkpụ dị ka waya ígwè na eriri (polyester, naịlọn).


Resorcinol formaldehyde resin2

Ọkwa No.

Ọdịdị

Ebe ime nro /

Ọkụ ọkụ/%(65℃)

phenol efu/%

DR-7201

Ihe na-acha uhie uhie na-acha uhie uhie ruo nchara nchara nchara

95-109 ℃

1.0

8.0%

DR-7202

Ihe na-acha uhie uhie na-acha uhie uhie ruo nchara nchara nchara

95-109 ℃

1.0

5.0%

 

Resorcinol formaldehyde resin3

Nkwakọ ngwaahịa:

Ngwunye akpa valvụ ma ọ bụ ngwugwu ihe mejupụtara rọba mpempe akwụkwọ nwere akpa rọba dị n'ime, 25kg/akpa.

Nchekwa:

Ekwesịrị ịchekwa ngwaahịa a n'ụlọ nkwakọba ihe ikuku na-eku ume n'okpuru 25 ℃ yana iru mmiri n'okpuru 70%. Na nchekwa ndụ abụghị ihe karịrị ọnwa 12. Enwere ike iji ngwaahịa a ma ọ bụrụ na a nwalere na ọ tozuru oke na ngafe.

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