1950 Siaspeed 5″ Sanding Disc – Adhesive Back – 150 GRIT – 100/BOX

$41.21

(Part #: 8777.2883.0150)

1950 Siaspeed 5″ Adhesive Back 150 Grit Disc

The 1950 Siaspeed 5″ Adhesive Back 150 Grit sanding disc is a versatile abrasive designed for dependable performance across a wide range of sanding applications. Suitable for both surface preparation and finer finishing work, it delivers consistent results with excellent efficiency. Its pressure sensitive adhesive backing provides a firm hold and allows fast, easy disc changes during demanding tasks. Built with a durable yet flexible backing, this disc resists tearing and performs smoothly on both flat and curved surfaces. Trusted by professionals in many industries, the 1950 Siaspeed offers long service life, reduced abrasive consumption, and reliable finishing quality, making it a practical and cost-effective sanding solution.

Advantages

  • Very high stock removal with an excellent finish

  • Advanced grit mix with ceramic aluminum oxide in 40–80 grit range

  • Minimal clogging with open coating in 220–600 grit range

  • Long-lasting abrasive life

  • Reduced abrasive consumption

  • Versatile all-round product with many options

  • DESCRIPTION

Enhanced Stock Removal: 1950 Siaspeed 5″ Adhesive Back Discs

The sia Abrasives 1950 Siaspeed 5″ Sanding Disc is engineered for high-performance stock removal and consistent intermediate finishing. Utilizing a durable, FSC-certified paper backing and semi-friable aluminum oxide grit, this 150 GRIT abrasive delivers superior material removal and a uniform scratch pattern. It is a top choice for professionals in automotive refinishing, woodworking, and industrial metalworking who require reliable adhesion with its Adhesive Back format. The multi-hole pattern ensures efficient dust extraction, improving work efficiency and creating a cleaner, safer environment.

Rapid Flatting of Fillers and Coatings

This 150 GRIT 1950 Siaspeed disc is optimized for robust intermediate tasks, including flatting of body filler and composite materials, sanding out unevenness at repaired edges, and sanding old coatings and impurities. The strong paper backing provides a reliable base, while the electrostatic open coating helps minimize clogging, maximizing the disc’s lifespan on various materials. This controlled sanding ensures a highly effective base for subsequent steps, reducing downtime and significantly boosting the quality and productivity of your preparatory work.

Versatile Abrasive for Initial Surface Preparation

From preparing gelcoat polyester and GRP to keying old lacquers and primer coats, the 1950 Siaspeed delivers consistent, professional-grade results across a wide range of applications. Its durable grit and special Stearate coating ensure high clog resistance and excellent performance. The combination of its superior stock removal capability and the convenience of the adhesive backing makes this disc an essential and economical solution for achieving a uniformly keyed and flattened surface ready for the next level of refinement.

Application:

  • Sanding of coatings and impurities
  • Sanding out unevenness at the edges of repaired surfaces
  • Flatting of body filler and composite materials
  • Fine sanding of primer filler
  • Keying of old and new lacquers
  • Producing a matt finish on old and new lacquers for blending
  • Removal of orange peel effect and dust inclusions
  • Preparation for polishing on high-gloss surfaces

Use for:

  • Color
  • Primer filler
  • Body filler
  • Lacquer
  • Old lacquer
  • Primer coat
  • Epoxy primer coat
  • Cathodic dip primer coat
  • Plastics
  • Acrylic glass
  • Gelcoat polyester
  • Glass-fiber reinforced plastic (GRP)

Profile

Grit type:
Mixed grit with ceramic content – 40 – 80
Semi-friable aluminum oxide / blue-fired – P100 – P400
White aluminium oxide – P500 – 1500

Backing:
Paper (FSC-certified) – 40 – 600
Film – 800 – 1500

Coating:
Electrostatic – 40 – 180
Electrostatic open – 220 – 600
Special process – 800 – 1500

Bonding:
Resin over resin

Special coating:
Stearate – from 80

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