Type: | Resin Rosin |
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Grade: | Special Grade |
Usage: | Industrial, Coating Auxiliary, Food Processing, Paper Making, Lighting, Water Treatment Chemicals, Industrial, Coating Auxiliary, Food Processing, Paper Making, Lighting, Chinese Medicine, Water Treatment Chemicals, Textile Auxiliary |
Packaging: | Drum |
Processing Method: | Drip Method |
Color: | Yellow |
Samples: |
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Customization: |
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Suppliers with verified business licenses
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.
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 |
how can we guarantee quality?
Always a pre-production sample before mass production;Suppliers with verified business licenses