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By certification 
Processing Aid for Flexible PVC LP-550 is a processing aid based on a low molecular weight polymethacrylate resin. LP-550 can be used in rigid PVC formulations to improve the process ability and the surface quality.
Physicochemical Properties
LP-550 is White free-flowing powder, bulk density:0.30-0.55g/cm3, can not be dissolved in water, ethanol, can be dissolved in chloroform and methyl ethyl ketone.
Index/Product Name |
LP-550 |
Appearance |
White free-flowing powder |
Particle size 40 mesh(%) |
|
Volatiles(%) |
|
Viscosity (η) (Ubbelohde Viscometer) |
2.0-3.0 |
98Product Benefits and Application
◆Accelerate fusion rate, increase productivity and decrease processing temperature.
◆Better dispersion of additives into PVC, more homogenous melt of PVC, etc.
◆Excellent clarity and surface quality for end-use products, superior fusion promotion for rigid and soft PVC.
◆Increased output rates and improved production efficiency.
◆LP-550 is widely used in the processing of many rigid and flexible PVC products made by blow molding, calendering, extrusion and injection molding. Key applications include: PVC Sheets, film, bottles, profiles, pipes, pipe fittings etc.
Countertypes
P-550
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