Gold Member Since 2014
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Lanzhou Qianmiaonuo Trading Co., Ltd.

Gum Rosin, Rosin Ww Grade, High Quality Gum Rosin manufacturer / supplier in China, offering High Quality Wood Rosin Ww Grade, Single Make One Custom Dye Sublimation Anime Lanyard, 2017 Latest Avenged Sevenfold Lanyard and so on.

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High Quality Wood Rosin Ww Grade

FOB Price: Get Latest Price
Min. Order: 1 Ton
Production Capacity: 500tons Per Month
Transport Package: 25kg PP Bag
Payment Terms: L/C, T/T, Western Union
Basic Info
  • Model NO.: WW
  • Grade: Special Grade
  • Packaging: Drum
  • Color: Light Yellow
  • Einecs No.: 232-475-7
  • Other Names: Rosin
  • Mf: C19h29cooh
  • Trademark: NO
  • Origin: China
  • Type: Wood Rosin
  • Usage: Industrial, Soap
  • Processing Method: Drip Method
  • CAS No.: 8050-09-7
  • Brand Name: Kalong
  • Softening Point: 74 Min
  • Purity: 100%
  • Specification: CIQ
  • HS Code: 3806101000
Product Description
Wood rosin
100% natural resin
Two plantations of ourselves
20000 tons annual prodcution capacity
20 years experience
Wood rosin

Description:
Gum Rosin, also called colophony or Greek pitch, 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 terpenecomponents. It is semi-transparent and varies in color from yellow to black. At room temperature rosin is brittle, but it melts at stove-top temperatures. It chiefly consists of different resin acids, especially abietic acid.

Gum Rosin is distilled from natural resin raw material. Its chemical composition is C19H29COOH, the isomers of resin acid. It is widely used in paints, paper, soap, rubber, food, chemical and pharmaceutical industries with unique significant characteristic.
Packing:
Net weight 225kg galvanized steel drum packaging.

Storage and transportation:
This product storage in cool, dry, preventing light.
Appearance: Pale yellow Solid transparent nature resin
2. Standard: GB/T 8145/8146-2003
3. Packing: Drum / complex bag
4. Usage: Adhesives, Rubber Compounds, Ink, Painting
5. Storage: Store in ventilated and dry warehouse at low temperature, separated from antioxidant.
SPECIFICATION
 
STANDARD

SNI 01-5009.12-2001
 
Softening Point
(Ring and Ball)
≥78°C
Colour
(Lovibond Comparator)
WW
Impurity/Solubility in Toulen
(Gooch Filter G-3)
≤0.05%
Acid Value
(Titrimetri)
160-190
Saponification Value
(Titrimetri)
170-220
Iodine Value
(Titrimetri)
5-25
Ash Content
(Furnace Heraeus)
≤0.04%
Volatile Oil Content
(Oven Memmert)
≤2%


IndexPremium gradegrade 1grade 2grade 3grade 4
Color / Appearanceyellowishlight Yellowyellowdark yellowpale brown
Softening point   °C≥76≥75≥74
Acid  value (mgKOH/g)≤166≤165≤164
Unsaponifiable matter content%≤5≤5≤6
Alcohol insoluble Substance ,(%)≤0.03≤0.03≤0.04
Ash %≤0.02≤0.03≤0.04

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