October 1st, quietly came, the birthday of the motherland is about to start! Bless the great motherland, happy birthday and happy holidays!
1949-2022 Warmly celebrate the 73rd anniversary of the fo...
Polyethylenimine(PEI) is a water-soluble polymer. The concentration in water of commercial products is usually 20% to 50%. PEI is polymerized from ethylene imide monomer. It is a cationic polymer t...
N-Phenyl-1-naphthylamine CAS 90-30-2 is a colorless flaky crystal that turns light gray or brown when exposed to air or sunlight. N-Phenyl-1-naphthylamine is a commonly used antioxidant in natural ...
Butylnaphtalenesulfonic acid sodium salt, also known as sodium butylnaphthalene sulfonate, CAS number 25638-17-9. From the appearance, it is a white powder substance, easily soluble in water, belon...
Propylene glycol ether and ethylene glycol ether are both diol ether solvents. Propylene glycol methyl ether has a slight ether smell, but no strong irritating odor, which makes its use more extens...
Now people have a lot of choices in skin care, just sunscreen ingredients are more than 10 kinds, but some skin care products seem to skin care is actually more will hurt our skin. So how do we cho...