Core Features of PET Foam Insulation Board

1. 1. 1. Balanced High Strength and Lightweight Performance
         1. Outstanding specific strength: The flexural strength can reach 15–35 MPa, and the compressive strength ranges from 8–25 MPa, with a density of only 0.05–0.15 g/cm³. Its strength is 50%–100% higher than that of traditional PVC foam boards. For instance, a PET foam board with a density of 60 kg/m³ can bear a load 800 times its own weight.
         2. Excellent structural stability: It has a high heat deflection temperature of 70–100℃, far exceeding the 60℃ of PVC foam boards. It is resistant to creep in high-temperature environments and boasts superior dimensional stability, with a linear thermal expansion coefficient ≤ 8×10⁻⁵/℃.
      2. Weather Resistance and Environmental Adaptability
         1. Wide operating temperature range: It can work stably at temperatures from -40℃ to +120℃, meeting the insulation requirements of medium-to-high temperature applications such as solar water heaters and industrial equipment insulation.
         2. Superior aging and chemical resistance: It is UV-resistant with an outdoor service life of ≥ 10 years, and chemically stable in a pH range of 2–12. It also has better tolerance to oils and organic solvents compared to PVC foam boards.
      3. Multifunctional Composite Performance
         1. Thermal insulation and soundproofing: With a thermal conductivity coefficient of 0.028–0.038 W/(m·K), it outperforms PVC foam boards (0.035–0.045 W/(m·K)) and is on par with XPS extruded boards. A 20mm-thick board can achieve an airborne sound insulation index of ≥ 30 dB, making it ideal for construction sound barriers.
         2. Flame retardancy and environmental friendliness: It has an oxygen index (OI) of ≥ 26, and can reach B1-grade flame-retardant standard with the addition of flame retardants. It emits no toxic gases during combustion, is 100% recyclable, and complies with EU CE certification and RoHS environmental requirements.