Product Description:Primalloy is a soft rubber material with outstanding heat, oil and abrasion resistance and mechanical strength. It is a high performance polyester based thermoplastic elastomer (TPE). Exceptional diameter consistency provides great homogeneous wire structure for smooth operation. Primalloy is a registered trademark of Mitsubishi Chemical Corporation. All filament is delivered in a vacuum bag, with desiccant, wound onto a bespoke spool. ... More information about this product.