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Royalene® 556

Technical Datasheet | Supplied by Lion Elastomers

Royalene® 556 by Lion Elastomers is a highly extendable, ethylene propylene diene (EPDM) rubber. It contains a non-staining stabilizer. Exhibits medium molecular weight distribution, high green strength, excellent shape stability, excellent dispersion and good low temperature properties. Offers low die swell and high extrusion rate. Designed for processing by profile extrusion. Royalene® 556 is used in hoses applications. Complies with FDA 21 CFR 177.2600 regulation.

Royalene® 556 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Ethylene/ Propylene Weight Ratio

71/29

ZS 1231

Ethylidene norbornene content (ENB)

4.5 % wt

ZS 1222

Volatile matter

< 1.0 % wt

ZS 1008K

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