There is mainly 2 types of plastic used today in manufacturing of plastic caps 1. Polyvinyl chloride (PVC) and Low Density Polyethylene (LDPE) PVC is cheaper to make then LDPE but its properties make caps shatter under impact post caps have been know to develop cracks if under pressure. Where LDPE is more flexiable a GEECO bowl made in 1950 is still being used today 2016. PVC caps are half the price of LDPE but are not worth it.
Plastic End Cap tube inserts 80x80mm Flat Top, Part Number CP 365 Great for finishing off edges on Gate post , Fence Post, RHS Tubing, Steel tube, Rail, sporting equipment etc. Tube inserts can prevent dirt & dust from collecting inside the tube and causing rust plus protecting sharp edges from fingers. Push in application for tight fit. Material: Low Density Polyethylene - Hard wearing
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