project | unit | performance metrics | ||||
CLASS I | CLASS II | |||||
board | tube | board | tube | |||
apparent density | Kg/m3 | 65-85 | 65-85 | |||
combustion performance | - | grade | B1 | grade | B2 | |
oxygen index | ≥32 | oxygen index | ≥26 | |||
SMOKE DENSITY (SDR) | ≤75 | SMOKE DENSITY (SDR) | - | |||
thermal conductivity (average temperature degrees celsius). | W/m.k | ≤0.038 | ||||
moisture permeability | moisture permeability coefficient | G/(m.s.pa) | ≤4.4*10-10 | |||
moisture resistance factor | - | ≥4.5*103 | ||||
vacuum water absorption | % | ≤10 | ||||
dimensional stability (105+-3,7d). | % | ≤10 | ||||
tear strength | N/cm | ≥3.0 | ≥3.0 | ≥3.0 | ≥3.0 | |
compression rebound rate | % | ≤70 | ||||
compression rate 50% compression time 72h | ||||||
Ozone | - | not cracked | ||||
resistance (ozone partial pressure 202Pa 200h). | ||||||
aging resistance (150h) | - | slightly wrinkled, no cracks, no pinholes, no deformation | ||||
Q: Are you manufacturer or trade company?
A: We are professional manufacturer of thermal insulation material, more than 10Years.
Q: Do you accept sample order?
A: Sample order is acceptable. We can offer free sample, sample can be sent within 1~3 days after freight payment confirmed.
Q: Does your company and products has any certification to ensure quality?
A: We are in compliance with ISO14001, ISO9001, OHSAS18001 certificate etc. Our products have excellent chemical, physical
features and stability.
Q: What services can KUNSHANG BUILDING MATERIAL provide?