Mirka: selecting abrasives
Manufacturer overview of abrasive shapes, backings and intended applications.
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Mirka GALAXY 125mm Grip Multifit 500, 50 per pack
Variants
€19.23*
€19.73*
Price excl. VAT
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Finixa Ultimate foam discs velcro Ø150mm without holes P3000 10pcs.
Price excl. VAT
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Mirka GALAXY 81x133mm Grip Multifit 320, 50/pack
Price excl. VAT
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Mirka BASECUT 150mm Grip P240, 100/pack
Variants
€11.91*
€23.42*
Price excl. VAT
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Mirka GOLD 150mm Grip 121L P600, 100/pack
Variants
€5.56*
€38.94*
Price excl. VAT
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Mirka COARSE CUT 150mm Grip 9L
Variants
€33.56*
€34.21*
Price excl. VAT
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Mirka ULTIMAX 150mm Grip 15L P240, 50/pack
Variants
€34.37*
€31.50*
Price excl. VAT
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Mirka IRIDIUM 77mm 20L Grip
Variants
€19.30*
€17.70*
Price excl. VAT
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Mirka GOLD 150mm Grip 7L P180, 100/pack
Variants
€18.18*
€29.32*
Price excl. VAT
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Mirka GOLD 150mm Grip P600, 100/pack
Variants
€18.18*
€37.04*
Price excl. VAT
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Mirka GALAXY 125mm Grip 220, 100 per pack
Variants
€23.38*
€39.45*
Price excl. VAT
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Mirka Q.SILVER 150mm Grip 15L
Variants
€29.96*
€29.50*
Price excl. VAT
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Mirka COARSE CUT 150mm Grip 15L P60, 50/pack
Variants
€30.76*
€29.50*
Price excl. VAT
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Mirka IRIDIUM SR 32mm, 500/RLL
Variants
€38.94*
€120.68*
Price excl. VAT
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Mirka POLARSTAR SR7 32mm stick P2500, 100/pack
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Mirka IRIDIUM 125mm Grip 89L, 100 pack
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Mirka IRIDIUM 150mm Grip 121L, 100 pack
Price excl. VAT
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Mirka Q.SILVER 150mm Grip 17L
Variants
€35.11*
€50.35*
Price excl. VAT
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Finixa Velcro sanding pads PVC backing Ø35mm P1500 100pcs.
Price excl. VAT
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Finixa SharpWhite velcro sanding discs Ø150mm-multi-hole P400 100pcs
Variants
€14.91*
€49.30*
Price excl. VAT
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Finixa Finishing film sanding discs Ø150mm-15 holes P1500 50pcs.
Variants
€34.99*
€44.60*
Price excl. VAT
Discount
Mirka IRIDIUM 150mm Grip 121L, 50 pack
Variants
€18.82*
€31.80*
Price excl. VAT
Sanding discs – controlled surface sanding for paint, wood and other materials
Sanding discs are round abrasives for compatible machines and hand sanding pads. Whether preparing a substrate, sanding between coats or refining scratches before polishing, diameter, grain and backing must suit the task. This category focuses on choosing sanding discs; bonded cutting discs and flap discs serve different purposes and are considered separately.
Match diameter and attachment correctly
Select the disc according to your tool's approved pad size and attachment. An approximately matching diameter is not sufficient. For hook-and-loop and self-adhesive versions, use the intended attachment and centre the disc. Damaged edges, creases or poorly adhering areas must be rectified before use, or the abrasive replaced.
Hole pattern and mesh structure for dust flow
On perforated discs, the openings must match the pad's extraction system. Mesh discs allow dust capture across the surface, but also require a suitable pad and the recommended protective interface. Check the complete combination: if intermediate layers block airflow, the abrasive alone cannot ensure dust removal.
Select grit according to the processing objective
Material removal calls for a different choice from fine sanding between paint coats. Start with the actual surface condition and plan subsequent stages according to the coating system. A test area helps assess removal and scratch pattern. Deep sanding scratches should not merely be worked over superficially with a very fine disc.
Consider pad hardness and working technique
The supporting pad also influences the result. A contour-adapting interface pad may help on curved surfaces, but does not replace selecting the right backing pad. Operate the machine according to its instructions and pay particular attention to sensitive edges. Wet sanding is permitted only when the abrasive, tool and working method are all intended for it.
Manufacturers & system selection
- Mirka – Compare the approved materials, backings and attachment methods of each abrasive range.
- sia Abrasives – additional abrasive ranges in the brand section. Compare the backing, attachment and application for each product.
- Finixa – a complementary product selection for surface preparation. Suitability for a particular application is determined by the relevant product data.
Guides & resources
Which abrasive for which application?
Further guidance in the shop to help you distinguish between types of abrasive.
Learn moreFrequently asked questions: sanding discs
Does every sanding disc fit every random orbital sander?
No. Diameter, attachment, hole pattern and approval for the tool must match. Any additional protective or soft interface pad must also suit the combination.
Which matters more: grit or perforation?
They serve different purposes. Grit influences material removal and scratch pattern; perforation supports extraction. A suitable grit cannot compensate for an unsuitable extraction system.
Can I use the same disc for wet and dry sanding?
Only if the product is approved accordingly. Waterproof abrasive material does not automatically mean the machine used is also suitable for wet sanding.
Customer feedback
Enquire about sanding discs now
Specify the machine model, disc diameter and substrate. This helps identify the right disc version.
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