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perforated asphalt roofing felt

  • China China  
  • Last Updated:
    Posted on: 06 May 2024

RFQ Details

sand finish on both side perforated asphalt felt
(Standard JIS A6023/CNS 10418)
mass Above 1100g/sqm
Diameter of the holes Below 30mm
Distance between the center of holes Above 70mm
Holes area ratio Above 8.0%
Asphalt mass Above 400g/sqm
Tensile strength Lengthwise Above 40{4.1}
(every 10mm wide) N{Kgf} widthwise Above 20{2.0}
Bending performance Above 90% no cracking
Asphalt soakage Complete soaked
Heat resistance No peeling-off or bubble
Size stability Below 1.5mm


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