Characteristics: 1. Closed-cell Structure. 2. Low Heating Conductivity. 3. Low Water Absorption Rate. 4. Good Fireproof and Soundproof Performance. 5. Good Aging Resistance Performance. 6. Simple and Easy Installation. The main features of the insulation pipe: Excellent insulation properties due to low k value,it remains unchanged during service life and are unaffected by humidity. The closed-cell structure will not absorb or allow the spread of water, thus preventing condensation or frost formation on cooling systems, chilled water & refrigerant lines. No additional water vapour barriers are required. Wide working tempreture: -80°C to +100°C Our products are competitive in quality and reasonable in price .welcome your inquiry.