There is a very meaningful sentence which I saw by accident today-PE+TPE.OK,what is the really mean of PE+TPE?PE is a hard plastic and TPE is a elastomeric plastic.when they are mixed together, what will happen next.
PE+TPE, one of the possible meaning is that one product contain two kinds of thermoplastic materials:PE and TPE.These two kinds of materials are used for different functions components.first of all, injected PE into mold, and then injected TPE(thermoplastic elastomers) above PE(adhesion to PE).When you walk in a large supermarket ,there are some words (PE+TPE or TPE+PE) on the surface of some plastic commodities,like:handles.In addition,Co-extrusion film and Co-extrusion extrudate are also composite products made by TPE+PE.
PE+TPE, another possible meaning is that some customers want to add some TPE into PE in order to decrease the hardness of PE and improve the flexibility of the material .This products of TPE modified PE, such as some cosmetics bottle cap, water dispenser plastic cover,Disposable gloves for medical use…
PE solubility parameter Sp=8.0, TPE solubility parameter Sp=7.2. The two values are relatively close.From the similar compatibility principle, PE and TPE should have good Blend compatibility.
read more:http://www.gainshinetpe.com/what-is-tpe-plus-pe.html
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