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Plastics & Elastomers
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KELTAN® 8550

Technical Datasheet | Supplied by ARLANXEO
KELTAN® 8550 by Arlanxeo is a general purpose ethylene propylene diene (EPDM) terpolymer. It has a controlled long chain branching narrow molecular weight distribution. It can be cured with peroxide, sulfur and accelerators. Possesses the ability to accept high filler loadings. Shows fast and efficient mixing with additives. Exhibits low temperature flexibility, good electrical insulation properties, good vulcanizate physical properties such as stress-strain behavior & compression set. Provides very good resistance to heat, chemicals, oxidation, ozone and weathering. Offers better aging resistance than natural rubber, styrene-butadiene rubber (SBR) and butadiene rubber. Can be processed by extrusion and calendering. Possible applications of KELTAN® 8550 could be automotive, plastics modification, technical rubber goods, building and electrical industry.
Product Type
EP (Ethylene Propylene Rubber) > Ethylene Propylene Diene Rubbers [EPDM]
Physical Form
Quasi friable bale
Product Status

KELTAN® 8550 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
0.86 g/cm³
( )
Ethylene Content
55 %wt
( )
ASTM D3900
Ethylidene norbornene (ENB) Content
5.5 %wt
( )
ASTM D6047
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