We need PTFE membrane material for a tension roof project covering approximately 25,000 m2 in Cuiabá, Brazil. Please explain the advantages of PTFE membrane structures compared to PVC alternatives. Focus on durability and technical specifications suitable for large-scale architectural applications.

Request for quotation and technical documentation for wind driven turbine ventilators:  
? Product Specifications: 350mm size with flashing and roof membrane accessories  
? Required Certifications: Test report confirming suitability for 280 km/h application (if available)  
? Material Requirements: Technical datasheets and specifications sheet  
? Quantity: 9 pieces  
? Delivery Requirements: Availability confirmation and lead time details  
Suppliers must provide:  
1. Commercial quotation with FOB terms  
2. Material compliance documentation  
3. Performance certification for high-speed applications  
4. Production timeline and shipping schedule  
Please exclude pricing in initial technical response. Priority given to manufacturers with railway/aerospace material experience.

want to buy polymeric membrane for roof. 1.5mm thickness, colour RAL 7032. about 35000m2. as fast as you can deliver

hi i looking to purchase EPDM rubber and TPO membrane with glue.