Cov txheej txheem:

Dab tsi yog qhov ntsuas tus lej siv hauv pob zeb diamond kev nyab xeeb?
Dab tsi yog qhov ntsuas tus lej siv hauv pob zeb diamond kev nyab xeeb?

Video: Dab tsi yog qhov ntsuas tus lej siv hauv pob zeb diamond kev nyab xeeb?

Video: Dab tsi yog qhov ntsuas tus lej siv hauv pob zeb diamond kev nyab xeeb?
Video: Yuav tawm ntawm txoj kev txom nyem tau li cas? 2024, Hlis ntuj nqeg
Anonim

Cov xim xiav, liab, thiab daj-uas sawv cev rau kev noj qab haus huv phom sij , flammability, thiab reactivity, ntsig txog- siv ib tug lej nplai xws li ntawm 0 mus rau 4. Tus nqi ntawm 0 txhais tau hais tias cov khoom poses tseem ceeb tsis muaj phom sij , qhov kev ntsuas ntawm 4 qhia tias muaj kev phom sij heev. Dawb teb yog siv los nthuav qhia cov xwm txheej tshwj xeeb.

Xav txog qhov no, tus lej txhais li cas ntawm NFPA pob zeb diamond?

Lub Tebchaws Hluav taws Koom haum ( NFPA ) tau tsim muaj xim-coded tus lej lub npe hu ua TIAB SA 704 . Lub kaw lus siv cov xim-coded pob zeb diamond nrog plaub quadrants nyob rau hauv uas tus lej yog siv nyob rau hauv lub sab sauv peb quadrants los qhia qhov degree ntawm kev noj qab haus huv phom sij (xiav), flammability phom sij (liab), thiab reactivity phom sij (daj).

Qhov twg yog qib txaus ntshai tshaj plaws hauv NFPA kev txheeb xyuas qhov xwm txheej? Tus lej Qhov system : NFPA Rating thiab OSHA's Classification Qhov system 0-40-tsawg kawg phom sij 4- txaus ntshai tshaj plaws 1-4 1- feem ntau mob hnyav phom sij 4-tsawg kawg phom sij • Cov Hazard Cov naj npawb tsis tas yuav tsum muaj nyob rau ntawm daim ntawv lo tab sis yuav tsum muaj nyob rau hauv SDSs hauv Tshooj 2.

Kuj kom paub yog, ua li cas koj nyeem pob zeb diamond kev nyab xeeb?

Yuav Ua Li Cas Nyeem NFPA Pob Zeb Diamond

  1. Red Section: Flammability. Cov xim liab-xim ntawm NFPA Pob Zeb Diamond nyob rau sab saum toj lossis kaum ob teev ntawm txoj haujlwm ntawm lub cim thiab qhia txog cov khoom siv hluav taws xob thiab ua rau muaj hluav taws kub thaum raug tshav kub.
  2. Yellow Section: Instability.
  3. Blue Section: Health Hazards.
  4. Ntu Dawb: Kev ceev faj tshwj xeeb.

Dab tsi yog 4 hauv xiav ib feem ntawm NFPA pob zeb diamond sawv rau?

Cov NFPA 704 pob zeb diamond kos npe siv los tso saib cov ntaub ntawv no muaj plaub ntu xim: xiav , liab, daj, thiab dawb. Txhua ntu yog siv los txheeb xyuas ib pawg sib txawv ntawm qhov muaj peev xwm txaus ntshai. Cov xiav ntu ntawm cov NFPA xim code symbolizes kev mob nkeeg.

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