ROSIN MODIFIED MALEIC ACID RESIN

 Brief Intro 
It’s the product is irregular transparent solid that is the vacuum treated product of Esterification by glycerol (or pentaerythritol) and the adducts of rosin and maleic anhydride.

 Properties 
Dissolved in cool tar, ester, turpentine oil and similar solvents; undissolved in alcoholic dissolved; partially soluble in petroleum products; mix well with plant oils; light color; resistant to yellowing; heat resistant; good adhesion power.

 Applications 
For production of ester gum and phenolic paints (through polymerization with vegetable oils); improve hardness of paint films, gloss, rubbing property and buildingness for polyesters, nitro and PU paints; as adhesive or binder for thermosol and road marking paints.

 Packing 
25kg in paper-plastic composite bag.

 Storage 
dry and cool storage; avoid oxidants in transport.

 Technical Specifications 

Product	Color(Gardner) (50%Benzene Solution)	Acid Number (mgKOH/g)	Softening Point (R&B)
MRP-1203	2-3	10-16	117-125℃
MRP-1205	3-5	10-16	117-125℃
MRP-1207	5-7	10-16	117-125℃
MRG-1303	2-3	22-30	127-135℃
MRG-1305	3-5	22-30	127-135℃
MRG-1307	5-7	22-30	127-135℃
422	7-8	22-30	127-135℃
424	7-8	10-16	120-130℃

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