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Products--------GUM
ROSIN AND DERIVATIVES： |
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POLYMERIZED GUM ROSIN |
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Food grade rosin esters used as food additives are produced
by specific chemical process. These products have been verified
by the 7th Meeting of the Chinese Food Additive Technical Committee
and considered as nontoxic. |
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Property: Gum rosin is used as material, polymerized rosin is
obtained by the advanced new method of Sulphuric acid and Zine
chlorid. It contains much dimers, light colour, high softening
point and acid value, little hot-water-material, dosen't crystallize,
easily dissolves in oil material, color oflead acetate changes
little. |
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Uses: Polymerized rosin is mainly used in ink, oil paint, rubber,
adhesive, waterproof cloth, paper-making, emulsifying agent, etc.
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INDEX |
STANDARD |
Index\
Trade mark |
115 |
140 |
COLOR
( Color of glass lighter than or equal to ) |
4th class |
4th class |
COLOR
( Gana ) |
10 |
10 |
APPEARANCE |
transparent |
transparent |
SOFTENING
POINT ℃ (R&B) |
110-120 |
135-145 |
ACID
VALUE Mg KOH/g ≥ |
145 |
140 |
UNDISSOLVABLE
CONTENT IN ALCOHOL % ≤ |
0.03 |
0.03 |
DISSOLVABLE
CONTENT % ≤ |
0.2 |
0.2 |
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Packing: N.W.225kgs. The packing barrel is made of iron sheet
electroplate with zinc. |
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