NBR / PVC rubber plastic foam material (closed hole type)

2019-12-23 05:10:00

projectperformance indexunitplateTubeApparent densityg cm370-250combustion performance-B1Thermal conductivity(average tempera






project performance index
unit plate Tube
Apparent density g/cm3 70-250
combustion performance - B1
Thermal conductivity
 
(average temperature)
-200C W/m.k ≤0.036
00C ≤0.038
400C ≤0.043
Moisture permeability Moisture permeability coefficient g/(m.s.Pa) ≤4.4x10-10
Wet resistance factor - ≥4.5x102
Vacuum water absorption % ≤10
dimensional stability105℃±3℃,7d % ≤10.0
tear strength N/cm - ≥2.5
Compression resilience50%/75h % ≥70
Oxygen resistance202mPa/2ooh - No crazing
Aging resistance150h -- Slight wrinkling, no crack, pinhole, no deformation
Remarks Refer to gbt17794-199
Features and uses:
 
1. Heat preservation, insulation, antifreeze, cold resistance and buffer.
 
2. It is mainly used in construction, metallurgy, petroleum, chemical industry, shipbuilding, automobile, electrical appliances, national defense, aviation and other fields.