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Thermoplastic Polyolefins (TPO or TPE-O)
TPO compounds are resin blends of polypropylene (PP) and un-crosslinked EPDM rubber and polyethylene. They are characterised by high impact resistance, low density and good chemical resistance.
They are used in applications where there is a requirement for increased toughness and durability over the conventional PP copolymers, such as automotive bumpers and dashboards. The properties are restricted to the high end of the hardness scale, typically >80 Shore A and with limited elastomeric properties.
TPOs can be easily processed by injection moulding, extrusion or blow moulding.
Other Classes of TPEs
![TPS compounds](https://www.hexpol.com/tpe/wp-content/uploads/sites/32/2020/06/landscape-small-400x300-TPS.jpg)
Styrenic block copolymers (TPE-s or TPS compounds based on SBS, SEBS)
![TPV compounds](https://www.hexpol.com/tpe/wp-content/uploads/sites/32/2020/06/landscape-small-400x300-TPV.jpg)
Elastomeric alloys (TPE-V or TPV)
![TPU compounds](https://www.hexpol.com/tpe/wp-content/uploads/sites/32/2020/06/landscape-small-400x300-TPU.jpg)
Thermoplastic polyurethanes (TPE-U or TPU)
![TPC compounds](https://www.hexpol.com/tpe/wp-content/uploads/sites/32/2020/06/landscape-small-400x300-TPC.jpg)
Thermoplastic copolyester (TPE-E or TPC)
![TPA compounds](https://www.hexpol.com/tpe/wp-content/uploads/sites/32/2020/06/landscape-small-400x300-TPA.jpg)
Thermoplastic polyamides (TPE-A or TPA)