| Pentaerythritol ester of gum rosin are made from gum rosin or light-colored rosin through esterification with pentaerythritol; used in adhesives, rubber products. The technical standards are formulated and revised by us. Standard changes according to customer’s special request. |
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| Specifications︰ | ITEMS PEN-90 PEN-100
Solubity (with benzene 1:1)clear Clear
Color (Fe-Co Scale) 4 max 4 max
Acid Value (mg KOH/g)20 max 20 max
Softening Point (R&B), DEG C 90±2℃ min 100±2℃ min
Specific Gravity, 25℃/25℃1.060-1.090 1.060-1.090
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| Package and Storage︰ | granule or flake, in paper-plastic composite bag 25kgs net each, 17mt/20’fcl |
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