• The Belpa CSA 28 pressed carton sheet for gaskets is made of organic fibers and mineral fibers mixed in a rubber matrix.
• The material obtained in this way is a compressed carton sheet apt for gaskets for a wide range of low responsibility uses.
• Its low permeability to gas and its low cost make this compressed sheet for gaskets the most suitable, asbestos free product for the majority of ordinary conditions (water, air, various oils and greases).
• This pressed carton is designed for use with water, air, gases and in moderate usage.
• It is also available with a non-stick finish ref. CSA-28 G
• INSTITUT PASTEUR certified: ACS safe drinking water

Asbestos Free Carton Sheets Belpa CSA 28
Property Value Unit
Color Green  
Plate format 3000 x 1500 mm
Thicknesses 0.8, 1, 1.5, 2, 3 mm
Density (+/-10%) 1.75 gr/cm3
Compressibility ASTM F36 A 7-15 %
Elastic recovery ASTM F36A >45 %

Transverse tensile strength


7 Mpa
Gas permeability DIN 3535/6 <0.5 cm3/min
ASTM F146 Increments
ASTM oil Nº1 5h at 150ºC <5 %
ASTM oil Nº3 5h at 150ºC <10 %
ASTM fuel B 5h RT <25 %