Custom molded bellows can be made from a range of materials such as LDPE, polypropylene, Hytrel, and thermoplastic elastomers to achieve certain properties with regard to chemical resistance or bio-compatibility. Designed to meet specific customer requirements for flexibility, stiffness, compressibility, memory, and travel, the blow molded bellows can be convoluted or corrugated and incorporate various open- and closed-end finishes. Units are available in sizes from 1/4 in. to 6 in. diameter by up to 16 in. long with 0.015 in. to 0.040 in. thick walls and various colors.
Blow Molded Specialties, Pawtucket, RI; 401-723-3000; www.bmsplastics.com