Marloc’s preformedfabric  reinforceddiaphragms are made with various types of elastomers, reinforced with fabrics chosen according to the technical requisites of the environment they are destined for.
The most commonly used elastomers are NBR, SBR, HNBR, EPDM, CR, ECO, FKM, FFKM, VMQ, FVMQ; with regards to the inserts polyamide, polyester, cotton, silk, aramid fibre, carbon fibre, fibreglass etc. are used instead. 
According to the client’s needs, for this type of product the hardness of the elastomer used can vary from 40 ShoreA to 85 ShoreA.
Articles can be made with preforming in various shapes: spoked, convoluted, rolling etc.
Pieces can be produced with materials conforming to the standards in force regarding the component for which they are destined.