Polybutene-1 PB 8340M

Polybutene-1 grade PB 8340M is a random copolymer of butene-1 with low ethylene content.
In blends with PE polymers, it forms a separate, but well-dispersed phase. Its primary use is as a minority blend component in the seal layer of easy-opening packaging films, produced by cast film extrusion. A typical PE blend partner for PB 8340M could be any ethylene homo-or copolymer in the melt index range of 2.0 to 8.0 g/10min.

Polybutene-1 is also highly compatible with polypropylene due to its similar molecular structure, and it can be used to modify PP sealing behavior or mechanical properties such as impact strength. PB-1 crystallizes slowly and is very shear sensitive in its flow behavior.

Food law compliance information about this product can be found in separate product documentation.

This product is not intended for use in medical and pharmaceutical applications.