Character : Carbomer 1342 is high moleculor weight copolymer of acrylic acid and a long chain allkyl methacrylate cross-linked with allyl ethers pentaerythritol ;Carbomer 1342, previously dried in vacuum at 80 for 1 hour, contains not less than 52.0 percent and not more than 62.0 percent of carboxylic acid (–COOH) groups.
Usage: It is mostly used in local drug delivery system, could used as thickener for cosmetics.
Application: Usually used as thickener,emulsifier. In the pharmaceutical industry, ofen used to make ointment, suppository, cream, gel, etc