Request a quote ↗Hand sanding
Colour-coded SIA sponge blocks for flat work, edges, profiles, rebates and gentle curves.
Range overview
Model & size data
Use these tables to identify the required model, dimensions, grade and operating limit before requesting a quotation.
| Model | Size (mm) | Construction | Confirmed grit |
|---|---|---|---|
| 7990 | 69 × 98 × 26 | Aluminium oxide on hard PU foam | P120 |
This current supplied-series row comes from the manufacturer reference rather than the older MKTECH master brochure.
| Name | Size (mm) | Specification | Grit band | Colour |
|---|---|---|---|---|
| Medium | 98 × 69 × 26 | Aluminium oxide (AO) | 180–230 | Orange |
| Fine | 98 × 69 × 26 | Aluminium oxide (AO) | 230–320 | Yellow |
| Super Fine | 98 × 69 × 26 | Aluminium oxide (AO) | 320–450 | Green |
| Ultrafine | 98 × 69 × 26 | Aluminium oxide (AO) | 400–600 | Blue |
Colour and grit bands reproduce the supplied MKTECH catalogue table. Refer to the current SIA catalogue for the manufacturer order grit; confirm availability with MKTECH.
MKTECH Industrial Handbook
Use these engineering chapters to understand selection and application principles. Product-specific limits remain on the current product label or catalogue.
Match the hand-sanding stage to the required scratch scale.
Grit Size and Scratch Depth ↗Chapter 024Avoid uncontrolled grit jumps during manual finishing.
Scratch Refinement and Grit Progression ↗Chapter 027Control cleanliness, uniformity and profile before the coating stage.
Surface Preparation for Painting and Coating ↗Individual products
Every product is shown with its known model, size, material or grade. Any remaining detail is confirmed before quotation.
69 × 98 × 26 mm · aluminium oxide on hard PU foam · coarse P120
69 × 98 × 26 mm · P180 / P240 / P320 / P400
69 × 98 × 26 mm · P180 / P240 / P320 / P400
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