Glycerol Esters Of Wood Rosin(Ester Gum),Ester Gum
Min.Order / FOB Price:Get Latest Price
| 1 Metric Ton |
FOB Price: USD 6.0000 |
- Min.Order :1 Metric Ton
- Purity: ≥99％
- Payment Terms : L/C,T/T,
Keywords
Ester Gum GUM ROSIN 8050-09-7
Quick Details
- Appearance:Hard, yellow to pale amber-colored resin
- Application:food additive
- PackAge:25kg/fiber drum ,or 25kg/carton,or according to customers' requirement
- ProductionCapacity:100|Metric Ton|Month
- Storage:Sealed, in dark place
- Transportation:normal air,sea
Superiority:
Gum rosin also named colophony rosin and has special chemical reactivity and can be widely used in in manufactures of paper, coatings, inks, rubbers, soaps, electronic industrial products etc.
CAS No.: 8050-09-7
EINECS No.: 232-475-7
Formula: C19H29COOH
Other Names: greek pitch, colophony
|
Product Name: |
gum rosin |
|
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 |
|
CAS RN.: |
8050-09-7 |
|
EINECS: |
232-475-7 |
|
Molecular Weight: |
302.451 |
|
Molecular Formula: |
C20H30O2 |
Description:
Gum rosin also named greek pitch or colophony, It is a kind of natural resin that are mainly composed of various kinds of resin acids, it can be dissolved easily in many organic solvents, and has special chemical activity, it can be esterified and neutralized with carboxyl, and reacted by double-bond, disproportionated, hydrogenated and polymerized to optimize its physicochemical property. Gum rosin can be widely used in manufactures of paper, coatings, inks, rubbers, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.
Features:
» Soluble in various kinds of organic solvents.
» Comes with special chemical activity.
» Can be chemically reacted and widely used in in manufactures of paper, coatings, inks, rubbers, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.
Features:
|
Grade |
WW Grade |
|
Appearance |
Transparent solid |
|
Color |
pale yellow |
|
Softening point (R&B, °C, min) |
76 |
|
Acid number (mgKOH/, min) |
166 |
|
Alcohol insoluble substance (%,max) |
0.03 |
|
Unsaponifiable matter (%,max) |
5 |
|
Ash (%,max) |
0.02 |
Applications:
» Widely used in manufactures of paper, coatings, inks, rubbers, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.
» Can be further processed as hydrogenated rosin, disproportionated rosin, polymerized rosin and other types of modified gum rosin.
Packaging:
Galvanized iron drum, 225 KG/Drum, 4 drums/pallet, 96 drums/20'GP.
Storage & Transportation
Sealed well and stored in cool and dry place, can’t be stored and delivered together with pyrophorus, strong oxidants & acid.
Details:
Q&A:
1.Are you a manufacturer or trade company
We have our own factory which located in Zhejiang,China.Meanwhile,we also have many parter factorier,so we can supply many kinds of relative products with very competitive price and good quality.
2.How to start an order
After negoation and communication about the price,quantity,incoterm,etc.,you give me the order contract with stamp,then I sealed it ,send back to you,also give you the proforma invoice,you can arrange the payment according the PI.
3.What’s your payment terms
If sample,small amount: T/T in advance, ,Paypal.
If commercial order ,big amount: T/T in advance,L/C at sight.
4.Can I get a free sample
If this product is not very expensive,and you demand a small sample,we can supply free sample,but not including the shipping cost,you can provide a freight collect account or arrange the shipping cost by Paypal/Westunion.
5.What's the lead time
Generally we send out your order ASAP after payment,normally
small quanitity,3-5days.
big quanitity with stock,5-7days,
if without stock,we have to calculate the production period,then give you the lead tme.
6.How do you ship the order normally
If less than 50kg,will be shipped by express,such as FEDEX,DHL.
If above 50kg,we can ship it by air or sea
For very large quantity,ship it by sea will be the best choice.
7.How do you ensure the quality of your products
Strict QC with 6 steps testing from raw material purchase to finished product.
Meanwhile,we will responsible for the goods quality after be sold.
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