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Carbomer 940 Carbomer
CAS: 9007-20-9
Packing specification: 1kg 20kg

Carbomer 940 English alias
2- (Chloromethyl) -2-[(2-naphthyloxy) methyl] -1,3-propanediol
poly (acrylic acid)
1,3-Propanediol, 2- (chloromethyl) -2-[(2-naphthalenyloxy) methyl]-

This product is a polymer of acrylic acid bonded allyl sucrose or pentaerythritol allyl ether. Calculated on dry goods, containing carboxylic acid group (-COOH) should be 56.O% ~ 68.O%.
Appearance: loose white slightly acidic powder, tasteless or slightly odorous
Acidity: PH value of 0.5% aqueous solution is 2.7-3.5
Equivalent: 76 ± 4
Ash powder: ≤0.2%
Loss on drying: ≤2%
Bulk density: about 0.21g / cm3
Glass transition temperature: 100-110 ℃
Lead: ≤20PPM
Carboxyl content (COOOH%): 57.7-65.0
product manual:
Carbo resin is a series of cross-linked acrylic polymer products. It is a family of water-soluble thickening resins. There are six main models: 940 934 941 2020 u20 u21 #
Carbo resin can be used as an excellent suspending agent, stabilizer, emulsifier, and can also be used as a transparent base of high-end cosmetics and a base for pharmaceutical accessories. Carbo resin is also the most effective water-soluble thickener. Suggested dosage: The general dosage is 0.2 to 1.0%, in most cases 0.2 to 0.5%. This product\'s 0.2 ~ 2.0% dosage is used as emulsifier, 0.2 ~ 2.0% dosage is used as thickener, 0.2 ~ 2.0% dosage is used as ointment, 0.2 ~ 2.0% dosage is used as gelling agent.
Packaging and storage:
Packaging: This product is packed in non-toxic polypropylene and nylon co-extruded plastic bags, moisture-proof and air-proof, and then packed in a cardboard box, 22kg / carton. Carbomer is very hygroscopic. When storing, be sure to seal it. Be careful to prevent moisture and agglomeration in the exposed air. If there is a slight agglomeration, gently tap the pressure, it can become a loose powder, and it will not affect the thickening effect. In a sealed container filled with desiccant. Transport: Carbomer is a polyelectrolyte. Rubbing or squeezing resin particles can sometimes become static. In case of splashing, please sweep up the dry powder with a broom first, and do not rinse with water, otherwise a very thin layer will form on the ground or equipment.

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