PEHD is a plastic material that has been popular since the 1940s. Initially used exclusively for the war industry as a substitute for metal parts, since the 1950s it has been reevaluated and appreciated for its many characteristics, eventually becoming one of the most widely used plastics.
CURIOSITY: In 2007, the global PEHD market reached a volume of more than 30 min tons.
But let’s go into detail and see 7 reasons why to choose PEHD.
1 . NON-TOXIC AND ODORLESS
Physiologically inert is approved for food-contact uses.
It does not absorb water or moisture while maintaining consistent dimensional stability. In fact, in the food industry it is used to make parts in continuous contact with water.
3. RESISTANCE TO IMPACT,ABRASION AND LOW COEFFICIENT OF FRICTION
There are 3 types of PEHD available on the market, which differ from each other in molecular weight: PEHD 300 – PEHD 500 – PEHD 1000.
The higher the molecular weight, the lower the stiffness, thus the higher the impact resistance.
Good abrasion resistance coupled with a low coefficient of friction make PEHD a viable solution for the fabrication of guides and skids.
4. RESISTANCE TO CHEMICALS AND SOLVENTS
Like all Polyolefins it has excellent resistance to chemicals and solvents.
It is precisely because of this characteristic that it is widely used in the chemical industry.
5. EXCELLENT WORKABILITY
It is ideal for machining with CNC milling machine tools to make wheels, gears, or parts in lieu of metal, especially since it is an extremely lightweight, weatherproof, and UV RAY resistant material.
Since it is one of the most widely used plastics in the world, its price, especially in PEHD 300 and 500 versions, has been gradually decreasing over the years, becoming one of the most cost-effective plastics today
Feature probably most important considering the very wide use of it. Despite the longevity of the product, PEHD can be recycled.
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