Basic Info.

Product Description

Items standards outer appearance white loose powder viscosity 20000~40000 mpa.s ph value 2.5~3.5 benzene = 0.01% loss on drying =2.0% residue on ignition (%) = 2.0% heavy metal =20ppm carboxylic acid (–cooh) 56.0~68.0%   character : carbomer 1342 is a high molecular weight copolymer of acrylic acid and a long chain alkyl methacrylate cross-linked with allyl ethers of pentaerythritol. carbomer 1342, previously dried in vacuum at 80for 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.   packing: 10kg/carton or 20kg/carton