The main components of synthetic resins is plastic, their plastic content in 40%~100%. Due to the large content, and properties often determine plastic properties of the resin, so it is often viewed as synonymous with plastic resin. Such as phenolic resin and PVC resin and PVC plastic, bakelite confused. Resins and plastics are actually two different concepts. The original polymer resin is a raw, it is not only used to make plastics, but also paints, adhesives and synthetic materials. But a tiny part of a 100% resin and plastic, but the vast majority of plastic, in addition to the main components of the resin, and other substances.
Fillers and fillers, it can increase strength and heat resistance performance, and reduce costs. After adding wooden powder such as phenolic resin can greatly reduce costs, bakelite became one of the most cheapest plastic and can significantly improve the mechanical strength. Packing organic fillers and fillers can be divided into two categories, such as wood, cloth, paper and fabric fibers, such as glass fibre, diatomaceous silica, asbestos, and so on. Filler content below 40% in the plastic.