Inquiry about Phenolic PI Ducts NEW

We are looking for a bulk supply of Phenolic PI ducts with the following technical specifications: Minimum panel thickness: 20 mm Aluminum foil thickness: 80 microns on both sides Each side of the aluminum foil shall be lacquered with 2 g/m² protection polyester lacquer Foam density: 55–60 kg/m³ Thermal conductivity: 0.021 W/m·K Operating temperature range: -26°C to +85°C Minimum compressive strength at 10% compression (BS EN 826:1996): 200 kPa Minimum closed cell content: >90% Design pressure: positive 1000 Pa / negative 750 Pa Fire retardant class: Class 0 according to BS 476 Part 6 Please provide your best quotation and estimated delivery time.