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How to distinguish the quality of polyvinyl butyral resin powder

May 22, 2023

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The application of polyvinyl butyral resin powder is very extensive, from glass primer, baking paint, paint, electronic ceramics, electronic adhesives, textile waterproofing applications, etc. At present, there are many applications such as polyvinyl butyral, polyethylene, polyvinyl chloride, etc. Resin powders produced by different manufacturers are used in different application fields and production preparation. The application range of polyvinyl butyral resin powder is very wide, so what kind of polyvinyl butyral resin powder is of high quality?

These points must be noted:

1. Free acid, the smaller the value of free acid, the better.

2. If the content of ethylene glycol butyraldehyde is too low, it is not good.

3. It is the viscosity of polyethylene butyraldehyde powder resin. Different viscosities are suitable for different fields and manufacturing, directly affecting the performance of the product.

Low viscosity polyvinyl butyral resin powder is suitable for printing inks, transfer inks, ceramic binders, epoxy resin additives, and rust resistant primers. Medium viscosity resin powder is suitable for automotive repair paint, brake lining adhesive, textile sizing, anti brittle protective coating, and powder coating flow additive. High viscosity polyvinyl butyral is suitable for safety glass intermediate films, etc. When purchasing polyvinyl butyral resin powder, it is important to take into account indicators such as viscosity, free acid, and butyraldehyde group.

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Ms. Carlee

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