ETHYLENE PROPYLENE DIENE RUBBER (EPR/EPDM)

"Petro Rabigh produces 75 KTA of EPR made by the polymerization of ethylene, propylene and ethylidene norbornene (ENB) used as a third monomer.

EPR is widely applied to sealing products (O-ring, packing) electrical equipment and automotive parts"

Grades and Datasheet

Grade	MFR _2.16Kg (g/10min)	Ethylene content*1 WT%	ENB content*2 wt%	Application
505A	45 (100^oC)	57	8.4	Electrical equipment, Sponge products (Weather strip, Heat insulated pipe etc.), Ozone resistance modifier
512E	64 (125^oC)	68	5.0	Extrusion products (Hose, Window gasket), General industrial products
552E	81 (125^oC)	59	5.5	Extrusion products (Hose, Window gasket), General industrial products.
5206	82 (125^oC)	61	9.3	Sponge products (Weather strip, Heat insulated pipe etc.)

* 1: (C2+C3=100 wt%

* 2: (C2+C3+ENB= 100 wt%)