NEW NON-ABESTOS BELPA ® ACID
 
COMPRESSED GASKET MATERIAL FOR ACID AND ALKALI SERVICE

 

TECHNICAL DATA SHEET (PRELIMINARY)

  • DESCRIPTION
  • Compressed non-asbestos gasket sheet made on the basis of aramid and mineral fibres, combined with inorganic fillers, reinforcing a special rubber formulation. The resulting gasket sheet is recommended for use on a wide range of service conditions with chemical resistance to many products including most of the acids, oils, alkalis and solvents. The product has been designed for use with the acid and alkali media most frequently found in industry.

     

    TECHNICAL DATA
    COLOUR
    WHITE
    Standard sizes (mm) Other upon request 2000 x 1500
    Standard thickness (mm). Other upon request 0.5 ;1; 1,5 ; 2 ; 3
    Density (±10%) 1.6 g/cm3
    Compressibility ASTM F-36 A 7-15%
    Recovery ASTM F-36 A >45%
    Gas permeability DIN 3535/6 < 1 cm3/min

     

    THICKNESS INCREASE ASTM F-146 THICKNESS
    ASTM oil Nº1 5h 150ºC <2%
    ASTM oil Nº3 5h 150ºC <9%
    ASTM B 5h 150ºC <8%
    H2SO4 ( 72%) 24 H/RT <4 %
    HCl ( 18%) 24 H/RT <1.5 %
    HNO3 ( 33%) 24 H/RT <1.5 %
    Na(OH) ( 50%) 24 H/RT <2%
      Typical properties for 2 mm thickness

     

    PRESSURE-TEMPERATURE DIAGRAM


    • CREEP DEFORMATION / HOT CREEP TEST
    temperature increase fyesa laboratory
    thickness decrease september 2001

     

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