API Drill Bits and Well Drill Bit - China Manufacturers, Suppliers, Factory

API Drill Bits and Well Drill Bit, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

What is Polyvinylpyrrolidone PVP K25

Polyvinylpyrrolidone (PVP) chemical structure contains a pyrrolidone ring, which imparts excellent water solubility, film-forming ability, adhesion, and biocompatibility. The “K25″ in P...
What is Octyl 4-methoxycinnamate

Octyl 4-methoxycinnamate (OMC) is a commonly used sunscreen, anti-aging agent and ultraviolet absorber, with a CAS number of 5466-77-3. The molecular formula is C18H26O3 and the molecular weight is...
What is polyethylenimine used for

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...
Do You Know Sodium Isethionate

What is Sodium Isethionate? Sodium isethionate is an organic salt compound with the chemical formula C₂H₅NaO₄S, a molecular weight of approximately 148.11, and a CAS number 1562-00-1. Sodium isethi...
Is polyglyceryl-4 laurate safe for skin

Many consumers see that some cosmetics contain “polyglyceryl-4 laurate” this chemical substance, do not know the efficacy and effect of this substance, want to know whether the product ...
What is polyglyceryl-4 oleate

Many consumers see some cosmetics containing “polyglyceryl-4 oleate” this chemical, not clear about the efficacy and action of this substance, want to understand the product containing ...

Potassium Bitartrate CAS 868-14-4