animal glue For many centuries, animal glue, especially raw hide glue, has been the main adhesive of choice for many types of woodworking (including furniture and shoe factories). It is made of collagen extracted from animal skin (hidden). Its chemical properties are similar to edible gelatin, and ... read more
The degree of polymerization of polyvinyl acetate is typically 100 to 5000, while its ester groups are sensitive to base hydrolysis and slowly convert PVAc into polyvinyl alcohol and acetic acid. The glass transition temperature of polyvinyl acetate is between 30 and 45 °C depending on the molecu... read more
PVA is a colorless, usually nontoxic thermoplastic adhesive prepared by the polymerization of vinyl acetate. PVA was discovered in 1912 by Dr. Fritz Klatte in Germany. The degree of polymerization of polyvinyl acetate is typically 100 to 5000, while its ester groups are sensitive to base hydrolys... read more
How to remove PVA? To get PVA off wood, sand it. If you get it on your clothes, a couple of warm washes should remove it. If it gets on your carpet, scrub it with warm water then Vax it up. A mixture of 50/50 PVA and water makes a very good sealant for plaster, preparing it for painting or wallpaper... read more
7 steps to using PVA to glue wood PVA is a low cost, water-based, non-toxic way to glue wood to itself. Wood glue is a particularly strong version of ordinary PVA, ideal for heavier jobs. It dries completely clear but you can also buy pre-coloured versions that are less visible on wood surfaces. ... read more