... sealing and Insulating DaubMain materialbutyl rubberColorblacksize68*80*5.5mm;90*150*1.5mm,etcPropertycable sealing and insulating daub, a ... no apparent change in appearance.4)Low temperature resistance(-40°C×2h): Wrapped on Φ10 metal bar, no cracking, ... 29)Application temperature:>4°C10)Working temperature: - 40°C- + 90°C (130°C for emergency use)11)Chemical resistance: Good dilute acidic and ...