category iii hazardous materials diesel fuel (class iii hazardous material) it is a light petroleum product, a mixture of complex hydrocarbons (about …
diisopropyl peroxide (class v hazardous material) also known as sulfurizing agent dcp, dicumyl peroxide. molecular formula c18h22o2, relative molecula…
the concept of catalysts there are three cognitive levels for mastering basic concepts: 1. memory characterization (retentive mechanical memory, compr…
ether (class vi hazardous) colorless transparent liquid. has a peculiar pungent odor. with sweet odor. extremely volatile. its vapor is heavier than a…
formaldehyde (class vi hazardous chemicals) chemical formula hcho, formula 30.03, also known as ant aldehyde. colorless gas, with a special odor, irri…
“silicon-free” does not mean removing the silicone oil component from the silicone-containing formula: 1. low-irritation surfactant for cl…
chemical name: diphenylsiloxyphenyltrimethylsiloxane inci: diphenylsiloxy phenyl trimethicone product description: iota 56a is a low-viscosity triphen…
for lip makeup products, consumers focus not only on the color number, user experience and durability are also what they care about most. about textur…
leizu, the wife of the yellow emperor – the first silkworm empress. legend has it that leizu, the wife of the yellow emperor, invented sericultu…
“silicon-free” has become a “dark horse” in the laundry care industry. it has almost become a reference for judging whether a …
polyester is an important category of cosmetic ingredients. the international dictionary and handbook of cosmetic ingredients lists more than 200 diff…
another important consumer preference factor in the color cosmetics market is creating interesting and engaging textures and feelings while continuing…