No. :JD1Material:PU, CR, NBR, EPDM, SIL, etc.Color:randomApplication:Diaphragms are made of Rubber (PU, EPDM, NBR, CR, SIL, etc) or Rubber combined with Textiles, plastic, metal, it's features: Hot
Resist, Pressure Resist, Flexible, Working Temperature: -50^+200 Pressure: 0^1.2 MPa