Cov txheej txheem:
Video: Koj nyeem NFPA pob zeb diamond li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Yuav Ua Li Cas Nyeem NFPA Pob Zeb Diamond
- Red Section: Flammability. Cov xim liab-xim ntawm cov NFPA Pob Zeb Diamond nyob rau sab saum toj lossis kaum ob teev txoj haujlwm ntawm lub cim thiab qhia txog cov khoom siv hluav taws xob thiab qhov cuam tshuam rau kev ntes hluav taws thaum raug tshav kub.
- Yellow Section: Instability.
- Blue Section: Health Hazards.
- Ntu Dawb: Kev ceev faj 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).
Kuj Paub, tus lej txhais li cas ntawm cov paib phom sij? Cov tus lej nyob rau hauv thawj peb qhov chaw nyob ntawm 0 mus rau 4, nrog 0 signifying no phom sij thiab 4 qhia tias mob hnyav phom sij . Piv txwv li, hauv cheeb tsam Reactivity: 0 = Stable. 1 = Tsis ruaj tsis khov yog tias cua sov. 2 = Cov tshuaj phem heev.
Tsis tas li ntawd, cov xim dawb hauv pob zeb diamond txhais li cas?
Cov neeg feem ntau pom ib xim kos npe rau ntawm lub tsev hu ua hluav taws pob zeb diamond . Hluav taws pob zeb diamond nyob rau ntawm lub tso tsheb hlau luam thiab cov tsev qhia txog qib ntawm cov tshuaj lom neeg muaj kev phom sij nyob rau ntawd. Plaub xim yog xiav, liab, daj, thiab dawb . Cov dawb qhia txog kev ceev faj tshwj xeeb, feem ntau yog siv rau oxy, lossis oxidizing tus neeg sawv cev.
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.
Pom zoo:
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Number System: NFPA Rating thiab OSHA's Classification System 0-4 0-yam txaus ntshai 4-mob txaus ntshai tshaj plaws 1-4 1-mob hnyav tshaj plaws 4-tsawg kawg nkaus txaus ntshai • Cov naj npawb Hazard tsis tas yuav tsum muaj nyob rau ntawm cov ntawv tab sis yuav tsum tau ntawm SDSs hauv ntu 2