Sia 1950 siaspeed
The versatile all-round product 1950 siaspeed is specially designed for high stock removal rates, perfect surface quality and long life in applications such as the surface treatment of body filler, primer filler, lacquers and paints.

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The versatile all-round product 1950 siaspeed is specially designed for high stock removal rates, perfect surface quality and long life in applications such as the surface treatment of body filler, primer filler, lacquers and paints.
Start with the surface, the existing finish and the way the space or equipment is used. Our team can help you work through product choices and the requirements for your project.
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Identify the material, its condition and the work you’re planning.
The system.
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The conditions.
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| Abrasive format | siafast strips |
|---|---|
| Grit type | Mixed grit with ceramic content - 40 – 80 Aluminium oxide - 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 |
| Recommended applications | Sanding of coatings and impurities Sanding out unevenness at the edges of repaired surfaces Flatting of bodyfiller 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 |
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Sia 1950 siaspeed – siafast strips
Technical data sheet – Sia 1950 siaspeed – siafast strips
Read the full product requirements, application instructions and limitations.
Automotive product brochure
Read the manufacturer’s instructions and product information.
Check the product label and current manufacturer documents for the exact component, colour and region before use.
Full product details, applications & manufacturer specifications
The versatile all-round product 1950 siaspeed is specially designed for high stock removal rates, perfect surface quality and long life in applications such as the surface treatment of body filler, primer filler, lacquers and paints.
Recommended uses
Ask our specialists about product suitability and availability. Refer to the manufacturer’s current technical information for the selected system.
Automotive SandingFeatures
- Very high stock removal rates and excellent finish
- Performance-enhancing grit mix with ceramic aluminium oxide in 40 - 80 grit range
- Minimal clogging thanks to open coating in 220 - 600 grit range
- Long lifetime
- Lower abrasive consumption
- Versatile all-round product with an attractive range of options
- Abrasive format
- siafast strips
- Grit type
- Mixed grit with ceramic content - 40 – 80 Aluminium oxide - 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
- Recommended applications
- Sanding of coatings and impurities Sanding out unevenness at the edges of repaired surfaces Flatting of bodyfiller 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
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Complete your project.
Companion products for the selected product and system.

3M™ Dry Guide Coat
For body repair work, reveal filler or primer imperfections before sanding.
Optional on suitable automotive body filler or primer. Match the abrasive’s own size, attachment and grade to the tool; use the required dust or wet-sanding controls.
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