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PP H Sheet is a high-performance engineering plastic sheet manufactured from high-purity polypropylene homopolymer. With its unique material characteristics and excellent overall performance, it has become an important choice in industrial fields.
In terms of mechanical properties, PP H Sheet demonstrates outstanding performance with a flexural modulus exceeding 1,500MPa, 1.5 times that of standard PP materials. Its notched Izod impact strength remains above 5kJ/m² even at low temperatures of -20°C, while the low coefficient of thermal expansion (9×10⁻⁵/°C) and water absorption rate (<0.01% in 24 hours) ensure excellent dimensional stability in various environments. The chemical resistance is equally impressive, withstanding pH values from 2 to 12 and showing good resistance to alcohols, aldehydes and most polar solvents. The low surface energy (30dyn/cm) effectively prevents material adhesion, greatly simplifying cleaning and maintenance.
PP H Sheet exhibits excellent thermal properties, with a continuous service temperature range from -20°C to +100°C and short-term tolerance up to 120°C. The heat deflection temperature under 1.82MPa load reaches at least 110°C, and the material maintains good flexibility even at extreme low temperatures of -30°C, completely avoiding brittle fracture risks. Regarding electrical properties, the volume resistivity exceeds 10¹⁶Ω·cm and dielectric strength surpasses 30kV/mm, making it an excellent insulating material choice.
| Project | parameter values |
| Density | 0.9-0.92 g/cm ³ |
| Tensile strength | ≥ 40 MPa |
| Bending modulus | ≥ 1800 MPa |
| Impact strength | ≥ 6 kJ/m ² (without notches) |
| Operating temperature | -20 ℃ to 120 ℃ (long-term) |
| Flame retardant grade | UL94 V-2 |
| Food grade certification | FDA |
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