gum rosin

• Post Date:

  Nov 10,2022

• Expiry Date:

  May 09,2023

• Detailed Description:

  Cas No. :8050-90-7 Quantity: 18mtFCL
  

  Gum Rosin ww grade In Chemicals

   

  1.Specification:

  Grade	X	WW	WG	N	M	K
  Appearance	Transparent Solid
  Color	slightly yellow	pale yellow	yellow	deep yellow	yellow brown	yellow red
  	Correspond to the Standard Glass Color Piece of Rosin
  Softening Point (R&B),°C, min	76		75		74
  Acid Value, (mgKOH/g), min	166		165		164
  Alcohol insoluble Substance ,(%) , max	0.03		0.03		0.04
  Unsaponifiable matter, (%) ,max	5		5		6
  Ash, (%) ,max	0.02		0.03		0.04

  2. Properties and uses:

  It is a kind of natural resin, mainly composed of various kinds of resin acids, it can be dissolved easily in many organic solvents, and has special chemical activity. So it is an important raw material for the production of paper, coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.

   

  3. Packing:

   

  (1) Drum: Galvanized iron drum, 225kg net each drum.

   

  (2) Bag: Intertexture or kraft paper bag, 25kg net each bag.

   

  4. Technical specification:

   

  The above technical specification (GB 8145-87) is the national standard of People's Republic of China. If there are changes, the latest specification will be executed and assured by contract.

  5.Business Term:

  (1) Delivery time: Within 14days

   

  (2) Delivery port: Tianjin/Qingdao Seaport

   

  (3) Payment Terms: T/T, L/C or other terms for negotiating

   

  (4) Container loading: 1x20'full container load 18 metric ton

   

  (5) Package: Currently is 25kg/bag without pallets loaded into one container

   

  (6) Quanlity assurance: SGS inspections or test report can be offered

   

  (7) Storage: Should be stored in dry conditions in closed bags

   

  (8) Shelf life is 24 months

   

  

• CAS Registry Number:

  8050-90-7

• 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:

  

• Company:

  Shandong Ocean Chemical(Group) Co.,Ltd     [ China ]        

• Contact:

  Bill Ju

• Tel:

  86-536-2081155

• Fax:

  86-536-2081175

• Email:

  sdwfoceanchem@sdoceanchem.com