Yas pwm yog cov ntawv luv rau kev sib xyaw ua ke siv rau compression molding, extrusion molding, txhaj tshuaj, tshuab moulding thiab qis ua npuas ncauj molding.Kev sib koom ua ke ntawm cov pwm convex thiab concave pwm thiab auxiliary molding system tuaj yeem ua cov khoom yas ntawm cov duab sib txawv thiab ntau qhov sib txawv.Cov pwm yas yog leej niam ntawm kev lag luam, thiab cov khoom tshiab tso tawm tam sim no koom nrog cov yas.

Nws feem ntau suav nrog cov poj niam pwm nrog cov kab noj hniav sib txawv uas muaj cov poj niam pwm ua ke substrate, poj niam pwm tivthaiv thiab cov poj niam pwm ua ke daim npav, thiab cov pwm pwm ua ke substrate, convex pwm tivthaiv, txiv neej pwm ua ke daim npav, a kab noj hniav txiav tivthaiv thiab ib tug xuas nrig ntaus nrog ib tug sib txawv core muaj li ntawm sab-txiav composite daim hlau.
Txhawm rau txhim kho cov kev ua tau zoo ntawm cov yas, ntau yam khoom siv, xws li muab tub lim, plasticizers, lubricants, stabilizers, colorants, thiab lwm yam, yuav tsum tau ntxiv rau cov polymer kom ua cov yas nrog kev ua haujlwm zoo.

1. Synthetic resin yog cov khoom tseem ceeb tshaj plaws ntawm cov yas, thiab nws cov ntsiab lus hauv plastics feem ntau yog 40% txog 100%.Vim tias cov ntsiab lus loj, thiab qhov xwm txheej ntawm cov resin feem ntau txiav txim siab qhov xwm txheej ntawm cov yas, tib neeg feem ntau suav hais tias cov resin yog lub ntsiab lus ntawm cov yas.Piv txwv li, confuse polyvinyl chloride resin nrog polyvinyl chloride plastics, thiab phenolic resins nrog phenolic plastics.Qhov tseeb, resin thiab yas yog ob lub ntsiab lus sib txawv.Resin yog ib qho tsis tau ua tiav cov polymer uas tsis yog siv los ua cov yas, tab sis kuj yog cov khoom siv raw rau txheej, nplaum, thiab hluavtaws fibers.Ntxiv rau qhov me me ntawm cov yas uas muaj 100% resin, feem ntau cov yas xav tau lwm yam khoom ntxiv rau cov khoom tseem ceeb.

2. Filler Filler tseem hu ua muab tub lim, uas tuaj yeem txhim kho lub zog thiab kub tsis kam ntawm cov yas thiab txo cov nqi.Piv txwv li, qhov sib ntxiv ntawm cov hmoov ntoo rau phenolic resin tuaj yeem txo tus nqi zoo heev, ua rau cov yas phenolic yog ib qho ntawm cov yas pheej yig tshaj plaws, thaum tseem txhim kho cov neeg kho tshuab lub zog.Fillers tuaj yeem muab faib ua ob hom: organic fillers thiab inorganic fillers, cov qub xws li ntoo hmoov, rags, ntawv thiab ntau yam ntaub fibers, thiab tom kawg xws li iav fiber, diatomaceous ntiaj teb, asbestos, thiab carbon dub.

3. Plasticizers Plasticizers tuaj yeem ua kom cov yas thiab yooj yim ntawm cov yas, txo cov brittleness, thiab ua kom cov yas ua kom yooj yim dua thiab zoo.Plasticizers feem ntau yog kub-boiling organic tebchaw uas yog miscible nrog resin, non-toxic, tsw, thiab ruaj khov rau lub teeb thiab kub.Feem ntau siv yog phthalate esters.Piv txwv li, nyob rau hauv zus tau tej cov polyvinyl chloride plastics, yog hais tias ntxiv plasticizers, mos polyvinyl chloride plastics yuav muab tau;Yog tias tsis muaj lossis tsawg dua cov khoom siv yas ntxiv (ntau npaum li <10%), cov khoom siv polyvinyl chloride tuaj yeem tau .

4. Stabilizer Txhawm rau tiv thaiv cov khoom siv hluavtaws los ntawm decomposed thiab puas los ntawm lub teeb thiab cua sov thaum ua thiab siv, thiab kom ntev lub neej kev pab cuam, yuav tsum tau ntxiv ib tug stabilizer rau cov yas.Feem ntau siv yog stearate thiab epoxy resin.

5. Colorants Colorants tuaj yeem ua cov yas muaj ntau yam xim ci thiab zoo nkauj.Feem ntau siv cov organic dyes thiab inorganic pigments li colorants.

6. Lub luag hauj lwm ntawm lub lubricant yog los tiv thaiv cov yas los ntawm cov hlau pwm thaum lub sij hawm molding, thiab nyob rau tib lub sij hawm ua rau saum npoo ntawm cov yas du thiab zoo nkauj.Feem ntau siv lubricants muaj xws li stearic acid thiab nws cov calcium thiab magnesium ntsev.Ntxiv nrog rau cov khoom siv saum toj no, cov nplaim hluav taws kub, cov khoom ua npuas dej, cov tshuaj tiv thaiv kab mob, thiab lwm yam tuaj yeem muab ntxiv rau cov yas.