1, Struction -soft aluminum foil

2, Normal thickness -0.08mm  0.10mm,  0.11mm . 0.12mm, 0.13mm,0.14mm

3, Available diameters- 50mm  to 300mm

4, Temperature range  -25°C to + 250°C

5, Operating presure -2000pa (max)

6, Air velocity -25m/s (max)

7, Standard length-1.5m , 3.0m , 4mm  the max is 4m

8, Compression ratio- 1: 3

9, Fire resistance -non flammable.

10, Packing in carton , special packing can be ordered.

11, Application-High elasticity and flexibility. Easily fitted to circular,oval or rectangular connectors. Released for no toxic or poisonous gases.  low/medium pressure central HVAC system and ventilation ,cooling,exhaust and air conditioning heating system.