The matrix plastic of Kareline® POMS is co-polyacetal (POM). The fibre used is ECF bleached long fibre Nordic soft wood pulp (cellulose). The fibre content of Kareline® POMS composites is 10-40 weight% (for example Kareline® POMS6040, Kareline® POMS7030). Customers made grades are also available. Kareline® POMS composites have a lot of good properties: - High rigidity - Good impact strength as natural fibre composite - Excellent abrasion resistance - Good chemical and stress cracking resistance - Easy to machine - Low friction surfaces - Small shrinkages in injection moulding - Dimensional stability and absence of shrink marks