Lub luag haujlwm zoo heev thiab zoo heev credit rating sawv cev yog peb cov hauv paus ntsiab lus, uas yuav pab peb ntawm qhov chaw siab tshaj plaws. Ua raws li lub hauv paus ntsiab lus ntawm "zoo thawj zaug, tus neeg yuav khoom zoo tshaj plaws" rau Hoobkas Rau Tuam Tshoj SHS Sodium Hydrosulphite rau Textile thiab Tawv, Hauv kev yuav khoom los nthuav peb lub khw thoob ntiaj teb, peb feem ntau nrhiav peb cov neeg siv khoom txawv teb chaws Cov khoom lag luam zoo tshaj plaws thiab cov kev pabcuam.
Peb lub hauv paus ntsiab lus yog kev lav ris zoo heev thiab kev ntsuas qhab nia zoo heev, uas yuav pab peb nyob rau hauv txoj haujlwm siab tshaj plaws. Ua raws li lub hauv paus ntsiab lus ntawm "zoo thawj zaug, tus neeg yuav khoom zoo tshaj plaws" rauTuam Tshoj Sodium Hydrosulphite, Nqe Sodium Hydrosulphite, Lub caij no, peb tab tom tsim thiab ua tiav kev lag luam peb sab & kev koom tes zoo kom ua tiav ntau txoj kev lag luam kom nthuav peb lub khw muag khoom ntsug thiab kab rov tav rau lub zeem muag ci ntsa iab. Peb lub tswv yim yog los tsim cov khoom lag luam pheej yig, txhawb cov kev pabcuam zoo meej, koom tes rau lub sijhawm ntev thiab kev sib koom tes, ruaj khov ib hom kev lag luam zoo heev thiab cov neeg sawv cev kev lag luam, hom kev koom tes zoo tshaj plaws.
| NaHS,% | Yam tsawg kawg nkaus 70 |
| Na2S,% | Siab tshaj 30 |
| Fe, ppm | Max 15 |