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Kawm txog kev npaj ntawm qib siab-txiav txim siab silkscreen iav thiab yam tseem ceeb ntawm txheej txheej txheej

Aug 22, 2020

Kev npaj los ntawm cov tshuaj pleev xim rau siab: cov roj kua roj thiab cov roj yaj tsis tshua zoo taw tes iav hmoov, Lide hmoov, titanium dioxide thiab lwm yam hauv qhov sib xyaw ua kom sib xyaw, los ntawm nplawm, sib tsoo kom cov hmoov xim nyob hauv tus number case roj tusyees dispersed, sib sau ib viscosity number case, thiab tom qab ntawd ncaj qha siv tshuaj ntsuam luam ntawv ntawm lub iav hloov luam ntawv; Ua ntej ntau yam ntawm cov khoom siv raw kom sib tsoo kom dhau los ntawm 300 lub suab sib, thiab tom qab ntawd acrylic cob, moisturizer, dispersant, defoamer, qib tus neeg sawv cev, emulsifier, thickener sib tov sib xyaw tusyees thiab tom qab ntawd nplawm tusyees ntawm kev kub ceev. Sau ntawv cia mus so rau 4 h.


(1) Qhov tshwm sim ntawm cov naj npawb ntawm cov mesh ntawm qhov cuam tshuam, qhov cuam tshuam ntawm txheej txheej ntxiv nrog qhov nce ntawm tus naj npawb ntawm mesh thaum tus naj npawb ntawm 160, qhov cuam tshuam tshwm ntau tshaj plaws thiab tom qab ntawd txo nrog qhov nce ntawm tus naj npawb ntawm mesh. Tus naj npawb ntawm cov khoom siv mesh yog tswj ntawm 140 rau 180 rau qhov zoo tshaj plaws.


(2) Qhov cuam tshuam ntawm kev kho qhov kub ntawm qhov rov xav txog, qhov kev cuam tshuam ntawm lub txheej nce nrog qhov nce ntawm qhov ua kom zoo ntawm qhov kub thaum qhov ntsuas kub yog 220 degrees C, qhov kev cuam tshuam pom qhov siab tshaj tus nqi thiab tom qab ntawd txo nrog qhov nce ntawm qhov kub thiab txias. Kev kho qhov kub thiab txias tswj tau zoo nyob ntawm 200 txog 250 degrees C.


(3) Qhov cuam tshuam ntawm tempering kub rau qhov kev xav, qhov cuam tshuam ntawm txheej nce ntxiv nrog qhov nce ntawm qhov kub tsis txias, thaum lub sijhawm huab cua sov yog 720 degrees C, qhov kev cuam tshuam yog qhov loj tshaj thiab tom qab ntawd txo qis nrog qhov nce ntawm tempering kub. Nws raug nquahu los tswj kev ntsuas qhov kub thiab txias ntawm 700 txog 730 degrees C.