Tidyabrasives

7940 siaair - the perfect Swiss finish

The clever technology of 7940 siaair is the key to a perfect Swiss finish in wet and dry sanding applications – whether it's scuffing, fine sanding or preparation for polishing.

7940

Product profile

  • Grit type : Aluminium oxide
  • Grit range (total) : 240; 360; 500-1000; 1500-2000; 3000-4000
  • Backing : Knitted fabric with foam backing
  • Coating : Special process

Advantages

  • High stock removal rates and excellent finish
  • Low clogging thanks to wet sanding
  • Extremely long lifetime
  • Highly adaptable to contours, curves and profiles
  • Pressure-equalising foam gives perfect surface finish
  • Waterproof and washable
  • Resistant to silicon remover

Applications

  • Matt finishing of conventional old and new varnishes as well as composite materials
  • Fine sanding of primer filler in hard-to-reach areas
  • Matting for blending
  • Preparation for polishing on high-gloss surfaces

USE :
Main Application Recommendation

  • Random orbital sander
  • Manual sanding

Materials ∼ Main application

  • Colour
  • Varnish
  • Old lacquer
  • Gelcoat polyester
  • Plastics
  • Acrylic glass (Plexiglass)

Materials ∼ Secondary application

  • Primer filler
  • Composite