Superior Pine Resin Glue Powder for Adhesive
Description du produit
This product is made by distillation of turpentine |
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Performance and application |
Rosin is a natural resin, is a variety of organic acid mixture, with unique chemical activity, paper making, soap, paint, ink, rubber, synthetic resin, electrical appliances, insulation materials, organic synthesis and other important chemical raw materials. |
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Packing |
25 kg/bag, storage should be cool, avoid high temperature, not near the fire |
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Technical standard |
National standards of the People's Republic of China |
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Name of index |
special grade |
Level 1 |
Level 2 |
Level 3 |
Level 4 |
Level 5 |
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Apperance |
White | ||||||
Color |
Light yellow |
pale yellow |
yellow |
dark yellow | Yellow brown |
Yellow red |
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Meet the requirements of rosin standard glass color block |
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Softening point (global method) is no less than |
76℃ |
75℃ |
74℃ |
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The acid value mgKOH/g is no less than |
166 |
165 |
164 |
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The content of unsaponifiable matter is no more than |
5% |
5% |
6% |
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Mechanical impurity content is no more than |
0.03% |
0.03% |
0.04% |
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Ash content is no more than |
0.02% |
0.03% |
0.04% |