Smooth white EPM (EPDM category rubber) compound, peroxide-cured, heat-resistant. Black smooth technopolymer cover with textile finish, flame-resistant and compliant with UL 94:2023 V-0 classification. Operating temperature: -40°C to +120°C (-40°F/+248°F). Resistant to abrasion, aging, ozone, and UV radiation. High flexibility. Fittings available.