Additives Improve Physical Properties, Utility Of Pvc Pipes

Poly Vinyl Chloride (PVC) is one of the most widely used plastic polymers

, especially in the piping applications. Owing to its superior impact strength and rigidity, it is very commonly used as water and sewage pipes in homes and institutions.

As small as 16 mm and as large as 630 mm tubing/pipes are manufactured from PVC, through extrusion. PVC plastic is routed through a double screw stem extruder (conical twin screw) or a parallel double screw extruder.

The production speed of the standard PVC pipe extruder is about 20 meters per minute. The PVC hose runs through a vacuum pump. A ring cutting machine is employed at the end of the assembly line to divide the PVC tubing into sections of individual pipes.

The individual pipes are cooled and racked. After inspection, the completed PVC pipes are sent to the warehouse for final inspection, labeling and shipping.

However, the manufacturers try to cut costs by either using a large component of recycled plastics or by increasing filler loading.

Such cost cutting can often reduce the quality of the end product drastically. Also, the pipe manufacturers face moisture related surface defects, which reduce the aesthetics of the end products, reducing their value.

In such case, adding additives to the plastic can help enhance the properties of the end product, if the additive is of high quality.

ProAid is one such PVC processing additive developed by Vin Industries. ProAid allows for increasing the quantity of filler by up to 30 percent without affecting the impact strength or other physical properties.

It is a polymer based material, coated with dispersing agents and coupling agents. According to the manufacturers, it is specially developed to ensure maximum mixing among various constituents of vinyl formulations, improving the consistency, flow rate and productivity.

The additive also has a desiccant action, removing moisture related defects such as pinholes and porosity, improving the surface finish of the finished product.

According to product experts at Vin, the additive has become very popular among PVC processors across the country and the number of customers is rapidly increasing.

Based in New Delhi with a strong sales network throughout India, Vin Industries is the country's leading manufacturer of niche additives for the plastic industries ever since the company's inception in 1997

For further information visit at

http://www.proaid.in/

by: Rohit Mhajan

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