Factory Price CAS 8050-09-7 Colophony Gum Rosin Ww Grade

• CAS No.: 13463-67-7
• Formula: C19h29 Cooh
• EINECS: 232-475-7
• Type: Solid
• Appearance: Yellow Solid
• Quality: Refined
• Model NO.: Gum Rosin
• Colour: Yellow
• Assay: 99%
• Packing: 225 Kgs/Drum
• Model Number: Ww Grade
• Acid Value: 166.7
• Transport Package: 25kg/Bag
• Trademark: YLF
• Origin: China
• Production Capacity: 3000 Metric Ton/Metric Tons Per Month

Product Description

 

What is gum rosin ?

    Rosin, also called colophony or Greek pitch (Latin: pix græca), is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpene components.

 

    It is semi-transparent and varies in color from yellow to black. At room rosin temperature is brittle, but it melts at stove-top temperature. It chiefly consists of various resin acids, especially abietic acid. The term "colophony" comes from colophonia resina, Latin for "resin from Colophon," an ancient Ionic city.

Purity	99%
Color	yellow
Type	Synthetic Fibers, Synthetic Resin And Plastics, Synthetic Rubbers
Model Number	WW grade
ACID VALUE	166.7
saponification value	170
softening point	77.9
non-saponification content	6.7
Usage	Compound Materials

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.

 

Why you choose us?

Q: Can i get the sample before the order?
A: Yes, we are very glad to provide the free small sample for your test; but the shipping costs need to be paid or we can use the customer's courier account.

Q: What is your payment terms?
A: Usually, our payment terms is T/T, but we also accept the paypal, Western Union...
and now, the best way is the you can place order on Trade Assurance.

Q: What is your delivery time?
A: If the products is in stock,the delivery time will be within 7days;while if the products need to produce, we will confirm the delivery time for you.

Q: What is package standard?
A: Usually, our package is 25kg/Drum;and the drum size is about 40cn*50cm...
and the Net Weight is 25kg;Gross Weight:28kg; Volum:0.07CBM

Q:What is your shipping way?
A: If the weight is below 25kg,we often ship by Courier like DHL,Fedex,TNT...
and if the weight is over 50kg~100kg;we will advise to shipp by air or by sea.

Q:Is there any discount?
A:Yes,for larger quantity,we always support with better price.

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