Overall
Net-Free Area: Varies with profile based on 17 square inches per linear foot of ventilation material
Dimensions: Varies with profile
Air Permeability: >760 cubic feet per minute
Cold Cracking: -25ºF
Tear & Tensile Strength: Machine 25 ppi / Counter 25 ppi
Compressive Strength: 1.8 psi at 75%
Rain: No Leakage
Closure Material
Nominal Density-Skin/Skin (BS ISO 7214 1998): 24 kg/m3
Compression Stress-Strain (BS ISO 7214 1998)
10% compression: 34 kPa
25% compression: 53 kPa
40% compression: 85 kPa
50% compression: 118 kPa
Shore Hardness 00 Scale, 10 mm cell/cell thickness (ISO 868 1985): 50 00
Thermal Conductivity — Mean Temp of 10° C (ISO 8302 1991): 0.0392 W/m.K
Flammability — Automotive (FMVSS.302-Burn Rate): Pass 12 mm & thicker <100mm/min
Flammability — Horizontal Burn Rate (ISO 7214 1998): 5 mm thick, 2.1 mm/sec and 13 mm thick, 1.5 mm/sec
Python Material
Net-Free Area: Varies with profile based on 17 square inches per linear foot of ventilation material
Dimensions: Varies with profile
Cold Cracking: -25ºF
Compressive Strength: 1.8 psi at 75%
Rain: No Leakage
Air Permeability: (ASTM D737) 760 cubic feet per minute
Tear & Tensile Strength: (Tear: ASTM D1294·86, Tensile: ASTM D2261·83) Machine 25 ppi / Counter 25 ppi
Self-Ignition Temperature: (ASTM D1929) 963° F