BUNA® CB 728 T


Buna® CB 728 T is a Neodymium Butadiene Rubber.

The rubber is protected by a stabiliser system which is in chemical compliance with the FDA regulation §177.2600 "Rubber articles intended for repeated use", the recommendation VI of the Federal Institute for Risk Assessment and the Commission Regulation (EU) No 10/2011 and amendments until today.

Mooney (1+4 @100°C) : 44

SV (5.43% in toluene) : 160 mPa⋅s

Buna® CB 728 T is used for the production of HIPS either alone or in blend with other Buna® CB grades, as such as Buna® CB 550 T and Buna® CB 380. In blend with Buna® CB 565 T or SB-Polymers an improved surface gloss can be attained.
Buna CB® 728 T is soluble in aliphatic hydrocarbons, styrene, toluene, tetrahydrofurane, methylene chloride, 1,1,1-trichloroethane and cyclohexane, and is insoluble in alcohols and water.
  • HIPS industry

Technical Data sheet

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Wolfgang Schäfer
Commercial Contact

Phone: +49 221 8885 8731
Fax: +49 221 8885 8731

Esther Han
Technical Service - APAC

Phone: +65 6725 5777

Marcus Moutinho
Technical Service - LATAM

Phone: +55 21 2677 1219

David Hardy
Technical Service - EMEA

Phone: +49 221 8885 6307