Core Advantages-Why Choose 70 Series
1. Wind pressure resistance exceeding national standard| safeguarding safe and
·Multi-cavity structural design: 4 main chambers +3 reinforcing ribs, increasing bending deformation resistance by 40%
·Embedded steel lining strengthening: 1.5mm galvanized steel lining is accurately embedded in the main cavity, and the wind pressure rating reaches Level 9 (GB/T 7106)
·Low-temperature impact test: No rupture during drop weight impact at-30℃, suitable for severe cold areas in the north
2. Energy Saving Pioneer| A powerful tool for saving electricity bills
·Thermal insulation coefficient K value ≤1.8 W/(m²·K): three sealing strips +24mm warm edge spacer strips, saving 30% energy than ordinary profiles
·Multi-chamber air compartment: Effectively blocks heat conduction and reduces air conditioning energy consumption by 25% in summer
·Environmentally friendly formula: 0 lead added, 100% recyclable, in line with EU REACH environmental standards
3. Silent Fortress| Urban living needs
·Stepped sealing system: EPDM soft and hard co-extrusion tape + magnetic compression design, sound insulation performance reaches 35dB
·Drainage cavity anti-leakage patent: hidden drainage channel, no water seepage worries in heavy rain weather
4. 30-year weather-resistant commitment| long lifecycles
·Anti-UV titanium dioxide coating: yellowing resistance level △E≤3 (ASTM D2244 test)
·Corrosion resistant formula: Passed 3000 hours of salt spray test, suitable for coastal high-humidity areas
5. Intelligent installation system| Save time and cost
·Modular connection design: 90° right-angle splicing without welding, increasing installation efficiency by 50%
·Tolerance compensation system: Adaptive adjustment of ±2mm wall thickness error to reduce construction rework rate
·Accessories ecosystem: Provide one-stop solutions for special hardware and sealant strips
