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Gum rosin

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  Post Date: Oct 15,2018
  Expiry Date: Apr 13,2019
  Detailed Description: Cas No. :8050-09-7 Specs:Name of Index: X, WW, WG, N, M, K

Specification:

GUM ROSIN
Name of Index X WW WG M K
Color slight yellow light yellow yellow yellow brown yellow red
Appearance Transparent solid
Softening Point (R. & B.) 76 min 75 min 74 min
Acid Value (mg KOH/g) 166 min 165 min 164 min
Unsaponifiable Matter 5% max 5% max 5% max
Insoluble Matter in Alcohol 0.03% max 0.03% max 0.04% max
Ash 0.02% max 0.02% max 0.04% max
Special Properties of Gum Rosin: Natural organic compound, mainly composed of resins, possesses chemical activity when dissolved in many organic solvents.
Uses of Gum Rosin: At present, most gum rosin product is used for the manufacturing of paper, paint, soap, adhesive, rubber and printing ink. Since rosin is easily softened and oxidized, in the oil paint industry, the carboxylation reaction of resin acid is usually employed to produce resinate for further use. While in the producing of synthetic rubber and printing ink, resin acid is changed into disproportionate rosin, polymerized rosin, hydrogenated rosin, etc for further use by its double bond reaction.
Packing, Storing and Transporting of Gum Rosin: In galvanized iron drums of about 225/230kgs net each, must be kept away from heat and flame.

 


  CAS Registry Number:

8050-09-7

  Synonyms: ;Disproportionated rosin;Colophony;Pine rosin;Rosin;Rosin Solder Flux Fume;Wood rosin;(4aR)-7-isopropyl-1,4a-dimethyl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid;
  Molecular Formula: C20H30O2
  Molecular Weight: 302.451
  Molecular Structure: 8050-09-7 gum rosin

  Company: Shanghai Shangyi Chemical Technology Co., Ltd     [ China ]          
  Contact: Steven Wu
  Tel: +86-21-56207799
  Fax: +86-21-33686276
  Email: info@shangyichem.com
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