7940 siaair

siafast discs

A perfect finish for varnishes and mineral materials

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SelectionDiameterHole patternTypeGritColorPackage unitOrder no.
80mmwithout holeswaterproof1000red-brown10F 03E 001 CH8 / 3647.2462.1000
80mmwithout holeswaterproof2000red-brown10F 03E 001 CH9 / 3647.2462.2000
125mmwithout holeswaterproof240red-brown10F 03E 001 D9E / 4635.7963.0240
125mmwithout holeswaterproof1000red-brown10F 03E 001 D9L / 4635.7963.1000
125mmwithout holeswaterproof2000red-brown10F 03E 001 D9N / 4635.7963.2000
125mmwithout holeswaterproof3000red-brown10F 03E 001 D9P / 4635.7963.3000
80mmwithout holeswaterproof1500red-brown10F 03E 003 BW3 / 3647.2462.1500
150mmwithout holeswaterproof240red-brown10F 03E 003 EB0 / 5163.3687.0240
150mmwithout holeswaterproof500red-brown10F 03E 003 EB1 / 5163.3687.0500
150mmwithout holeswaterproof4000red-brown10F 03E 003 EB2 / 5163.3687.4000
80mmwithout holeswaterproof3000red-brown10F 03E 003 EF7 / 3647.2462.3000
80mmwithout holeswaterproof4000red-brown10F 03E 003 EF8 / 3647.2462.4000
150mmwithout holeswaterproof360red-brown10F 03E 004 N29 / 5163.3687.0360
150mmwithout holeswaterproof600red-brown10F 03E 004 N2A / 5163.3687.0600
150mmwithout holeswaterproof800red-brown10F 03E 004 N2B / 5163.3687.0800
150mmwithout holeswaterproof1000red-brown10F 03E 004 N2C / 5163.3687.1000
150mmwithout holeswaterproof1500red-brown10F 03E 004 N2D / 5163.3687.1500
150mmwithout holeswaterproof2000red-brown10F 03E 004 N2E / 5163.3687.2000
150mmwithout holeswaterproof3000red-brown10F 03E 004 N2F / 5163.3687.3000
Diameter80mm
Grit1000
Typewaterproof
Package unit10
F 03E 001 CH8 / 3647.2462.1000
Diameter80mm
Grit2000
Typewaterproof
Package unit10
F 03E 001 CH9 / 3647.2462.2000
Diameter125mm
Grit240
Typewaterproof
Package unit10
F 03E 001 D9E / 4635.7963.0240
Diameter125mm
Grit1000
Typewaterproof
Package unit10
F 03E 001 D9L / 4635.7963.1000
Diameter125mm
Grit2000
Typewaterproof
Package unit10
F 03E 001 D9N / 4635.7963.2000
Diameter125mm
Grit3000
Typewaterproof
Package unit10
F 03E 001 D9P / 4635.7963.3000
Diameter80mm
Grit1500
Typewaterproof
Package unit10
F 03E 003 BW3 / 3647.2462.1500
Diameter150mm
Grit240
Typewaterproof
Package unit10
F 03E 003 EB0 / 5163.3687.0240
Diameter150mm
Grit500
Typewaterproof
Package unit10
F 03E 003 EB1 / 5163.3687.0500
Diameter150mm
Grit4000
Typewaterproof
Package unit10
F 03E 003 EB2 / 5163.3687.4000
Diameter80mm
Grit3000
Typewaterproof
Package unit10
F 03E 003 EF7 / 3647.2462.3000
Diameter80mm
Grit4000
Typewaterproof
Package unit10
F 03E 003 EF8 / 3647.2462.4000
Diameter150mm
Grit360
Typewaterproof
Package unit10
F 03E 004 N29 / 5163.3687.0360
Diameter150mm
Grit600
Typewaterproof
Package unit10
F 03E 004 N2A / 5163.3687.0600
Diameter150mm
Grit800
Typewaterproof
Package unit10
F 03E 004 N2B / 5163.3687.0800
Diameter150mm
Grit1000
Typewaterproof
Package unit10
F 03E 004 N2C / 5163.3687.1000
Diameter150mm
Grit1500
Typewaterproof
Package unit10
F 03E 004 N2D / 5163.3687.1500
Diameter150mm
Grit2000
Typewaterproof
Package unit10
F 03E 004 N2E / 5163.3687.2000
Diameter150mm
Grit3000
Typewaterproof
Package unit10
F 03E 004 N2F / 5163.3687.3000
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A perfect finish for varnishes and mineral materials

Whether it's scuffing, fine sanding or preparation for polishing – the improved technology of 7940 siaair is the key to a perfect finish in damp sanding applications.

Technology

siafast

Advantages

  • Low clogging thanks to damp sanding
  • High stock removal rates and excellent finish
  • 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
  • Preparation for polishing on high-gloss surfaces

Materials

  • Colour
  • Lacquer
  • Old lacquer
  • Gelcoat polyester
  • Plastics
  • Acrylic glass
  • Composite

Application

Properties

Cut
lowvery high
Lifetime
shortvery long
Finishing
mediumvery good
Flexibility
very rigidhighly flexible

Profile

Grit type:
Aluminium oxide

Backings:
Knitted fabric with foam backing

Coating:
Special process

bonding:
Resin over resin

Special coating: