Acid dyestuff yog tsuas yog siv rau ntaub plaub, txhob lo lo ntxhuav, tawv thiab nylon thiab lwm yam fibers nrog nws cov luster vivid thiab qus chromatogram.
TSEV DYESTUFF OBA PIGMENTS AUXILIARIES Hais txog peb Xov xwm Tiv tauj peb SITEMAP