Flexible and Flat Duct Support Technical Specification
Where the flexible and flat duct supports are manufactured using Phenolic foam, the foam used is a CFC/HCFC free, closed cell Phenolic insulation, thermo-bonded to a 28 micron aluminium foil facing, reinforced with a 10mm glass tissue mesh. The blocks are further bonded to a 40 micron glass reinforced foil tape.
Phenolic Foam | Standard | Unit | 60 kg/m³ | 80 kg/m³ | 120 kg/m³ |
---|---|---|---|---|---|
Minimum density (kg/m³) | 60 | 80 | 120 | ||
Compresssive Strength | ASTM D1621 | kPa | 100 ± 10 | 500 ± 50 | 1000 ± 100 |
Closed Cell Content | ASTM D2856 | % | min 90 | ||
Temperature Range | °C | -200°C to +120°C | |||
Water Absorption | ASTM D2842 | max % | +5% | ||
Thermal Conductivity | ASTM D1621 | W/mk | 0.018 | 0.030 | 0.040 |
Fire Properties | BS476 Part 5 | P | |||
BS476 Part 6 | O | ||||
BS476 Part 7 | Class 1 |
Disclaimer
Important: Please read our standard disclaimer.
Product Sizes and Quantities
All products are shipped by overnight carrier of delivered direct to site or works by ourselves. Lead time in general is 4/5 working days (except for 80kg, 120kg & Calcium Silicate) but always call if you require special delivery. We will always try to help where possible. The quantities per box are as follows – they are the same for both flexible and flat products.
Thickness | Width | Length per Box |
---|---|---|
25 mm | 50 mm | 36 m |
38 mm | 50 mm | 30 m |
50 mm | 50 mm | 24 m |
25 mm | 75 mm | 24 m |
38 mm | 75 mm | 20 m |
50 mm | 75 mm | 16 m |
25 mm | 100 mm | 18 m |
38 mm | 100 mm | 15 m |
50 mm | 100 mm | 12 m |
25 mm | 150 mm | 12 m |
38 mm | 150 mm | 10 m |
50 mm | 150 mm | 8 m |