Taw qhia txog hluav taws kub tiv thaiv headgear

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Firefighter tiv thaiv headgear (nplaim-retardant headgear) yog siv los tiv thaiv lub taub hau, sab thiab caj dab thaum ua haujlwm tua hluav taws, los ntawm hluav taws kub lossis kub kub. Nws ua tau raws li qhov yuav tsum tau ua ntawm GA869-2010 "Firefighter's Protective Headgear for Fire Fighters", thiab tuaj yeem muab cov ntawv xeem thiab daim ntawv pov thawj 3C. Nws yog tsim los ntawm cov khoom siv hluav taws xob tseem ceeb xws li aramid. Nws muaj cov hluav taws kub zoo heev thiab cov nplaim hluav taws kub hnyiab, thiab yuav tsis txuas ntxiv hlawv thaum muaj hluav taws qhib. Nws loj elasticity thiab zoo softness ua rau cov khoom yooj yim hnav, xis thiab zoo heev hauv kev ua haujlwm. Kev tsim kho tib neeg tuaj yeem tiv thaiv tus neeg hnav tag nrho lub taub hau kev nyab xeeb, thiab feem ntau yog siv hauv kev tiv thaiv hluav taws, hlau, roj av, thiab tshuaj lom neeg kev lag luam.

Technical yam ntxwv

1. nplaim retardant kev ua tau zoo: warp puas ntev yog 7 hli, weft puas ntev yog 5 hli, nruam kub lub sij hawm yog 0s, tsis muaj melting los yog dripping tshwm sim.

2. Tom qab 260 ℃ thermal stability test, qhov seem hloov pauv raws li warp thiab weft cov lus qhia yog 2%, thiab cov qauv saum npoo tsis muaj qhov pom tseeb hloov pauv xws li discoloration, melting thiab dripping.

3. Cov qib anti-pilling ntawm cov ntaub yog qib 3, tsis pom cov ntsiab lus formaldehyde, tus nqi PH yog 6.72, seam zog yog 1213N, thiab qhov loj me ntawm qhov qhib lub ntsej muag yog 2%.

4. Kev hloov pauv hloov pauv yog 3.4% nyob rau hauv txoj kab ntsug thiab 2.9% nyob rau hauv kab rov tav.

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