Over the years, plastics have become the most dominant engineering material for most products. All plastics are polymers; these polymers are further divided into two basic types: thermoplastics and thermosets. Extrusion can be used for thermoplastics. The raw material is in the form of pellets, granules, or powder. Meyer rotary valves are designed and engineered for dependable and reliable performance. The precision-engineered housing and rotor prevent material from getting jammed or sheared.
By Wm. W. Meyer & Sons, Inc. based in Libertyville, ILLINOIS (USA).
Excess humidity in the air used to dry plastic pellets has several adverse effects on the quality of the products produced. The strength of the product is decreased. The surface of the product can be blemished. The product can have a ‘cloudy’ appearance.
By Moisture Control & Measurement Ltd based in Wetherby, UNITED KINGDOM.
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