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Cov khoom

Qib A Coated Fabric Tshuag

Ntau tus neeg paub tias muaj riam los txhuam daim ntaub, vim tias rab riam los txhuam daim ntaub yog dav siv thiab cov nyhuv kuj zoo heev. Txawm li cas los xij, ntau tus neeg tsis paub tias nws yog dab tsi tom qab siv. Niaj hnub no, Ganzhou Tengyue Canvas yuav qhia rau koj txog yam khoom siv riam los txhuam daim ntaub, thiab ...

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PVC, tseem hu ua polyvinyl chloride, yog tus pib ntawm vinyl chloride monomer (VCM) nyob rau hauv peroxides, azo tebchaw, thiab lwm yam, los yog polymers polymerized nyob rau hauv qhov kev txiav txim ntawm lub teeb thiab kub raws li lub mechanism ntawm dawb radical polymerization. Vinyl chloride homopolymer thiab vinyl chloride copolymer yog sau ua ke hu ua vinyl chloride resin. Nws cov khoom yog amorphous.

PVC cov ntaub ntawv feem ntau suav nrog stabilizers, lubricants, auxiliary processing agents, pigments, impact agents, and other additives in practical use. Raws li cov ntawv thov sib txawv, PVC tuaj yeem muab faib ua: universal PVC cob, qib siab ntawm polymerization PVC resin, thiab ntoo khaub lig- txuas PVC cob. PVC muaj zog tiv thaiv oxidants, txo cov neeg ua haujlwm, thiab muaj zog acids.

PVC mesh yog ib txheej ntawm ob txheej ntawm PVC calendered zaj duab xis nrog ib txheej ntawm siab -lub zog polyester los yog nylon ntxiv ntawm lawv, uas yog rhuab thiab pressurized. Ob chav ruaj khov, tsis muaj -flammable, siab zog, txias thiab kub tsis kam, thiab zoo heev geometric stability. Lub thickness txawv ntawm 0.45 mus rau 1.8cm thiab tuaj yeem siv raws li qhov xav tau tiag tiag.

Kuj tseem muaj tus qauv tseem ceeb, EN71-3, rau kev sim seb PVC thiab PVC mesh clamps puas tsim nyog.

PVC uas ua tau raws li EU EN71-3 tus qauv yuav tsum tau siv los tsim ntau yam khoom lag luam, tshwj xeeb tshaj yog cov khoom siv lom zem. Cov qauv ntsuas rau cov khoom uas tuaj rau hauv kev sib cuag ncaj qha rau ntawm daim tawv nqaij yog nruj dua.

EN71-1, EN71-2, thiab EN71-3 yog tag nrho cov qauv ntsuas rau cov khoom ua si. Lub ntsiab lus tshwj xeeb yog raws li nram no:
1. EN 71-1: 2005+A4 kev kuaj lub cev thiab tshuab;
2. EN 71-2: 2006+A1 kev ntsuas nplaim taws;
3. EN 71-3:1994+A1: 2002 Kev Ntsuas Cov Khoom Siv Tshuaj lom (8 Cov ntsiab lus tshuaj lom neeg) rau cov ntsiab lus ntawm 8 cov hlau tshuaj lom: (Lead, Cadmium, Chromium, Arsenic, Barium, Argon, Selenium, Antimony).