window and door frame
Products
window and door frame |
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Polyurethane composite materials, due to their outstanding thermal insulation and heat preservation properties, lightweight and high-strength characteristics, excellent fire resistance, and the trait of being durable and not deforming over time, have gained significant attention in the window and door industry and are hailed as a revolutionary innovation.
Performance Advantages
Performance | Aluminum alloy | Steel | Plastic steel | FRP | FRPU |
Density (g/cm3) | 2.7 | 7.8 | 1.4 | 1.8 | 2.1 |
Bending strength (Mpa) | 170-230 | 200-500 | 70-110 | 300-600 | 1442 |
Bending modulus（Gpa） | 68 | 200 | 2.2-5 | 10-22 | 44 |
Tensile strength (Mpa) | 200-300 | <670 | 35-52 | 300-600 | 1220 |
Tensile modulus（Gpa） | 68 | 200 | 2.2-5 | 20-25 | 56.5 |
Specific strength (l03 N·m/kg) | 74-111 | <86 | 25-37 | 333 | 581 |
Heat conductivity coefficient (W/m·K) | >150 | 36-54 | 0.14 | 0.4 | 0.114 |
Coefficient of linear expansion (10-5K-1) | 2.2-2.4 | 1.2 | 6-8 | 0.7-6 | 0.5 |
Volume resistivity(Ω·m) | 2.9*10-8 | 9.8*10-8 | 1*1011-12 | 1*1012 | 1.5*1012 |
Corrosion risistance | Poor | Poor | Average | Good | Good |
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