4919 siaral 8 — Aluminium Oxide Fibre Disc
| Name | Size (mm) | Available grits | m/s | rpm (min⁻¹) |
|---|---|---|---|---|
| Fibre Disc | 100 × 16 | P24 / P36 / P60 / P80 / P100 / P120 | 80 | 15,300 |
| Fibre Disc | 180 × 22 | P24 / P36 / P60 / P80 / P100 / P120 | 80 | 8,500 |
Fibre-backed abrasives
SIA fibre discs
Two fibre-disc families for demanding grinding and surface preparation, separated by abrasive type.
Request product quotation ↗Download full SIA ABRASIVES catalogue ↗2 listed product lines
CategorySIA Abrasives
Range statusCurrent commercial range
OrderingFinal specification confirmed at quotation
Range overview
What we supply
- ✓100 mm and 180 mm formats
- ✓P24–P120 grit range
- ✓Aluminium oxide and zirconia alumina choices
Model & size data
Product specification tables
Use these tables to identify the required model, dimensions, grade and operating limit before requesting a quotation.
4819 siaron 8 — Zirconia Alumina Fibre Disc
| Name | Size (mm) | Available grits | m/s | rpm (min⁻¹) |
|---|---|---|---|---|
| Fibre Disc | 100 × 16 | P24 / P36 / P60 / P80 / P100 / P120 | 80 | 15,300 |
| Fibre Disc | 180 × 22 | P24 / P36 / P60 / P80 / P100 / P120 | 80 | 8,500 |
MKTECH Industrial Handbook
Related technical guidance
Use these engineering chapters to understand selection and application principles. Product-specific limits remain on the current product label or catalogue.
Chapter 008
Understand fibre-disc construction
Review how grain, coat and backing combine in a coated abrasive.
Abrasive Product Construction ↗Chapter 009Understand fibre backing and bond systems
Relate backing support and bond construction to disc behaviour.
Backing Materials and Bond Systems ↗Chapter 013Control fibre-disc contact angle
Manage angle, contact width and pressure during stock removal.
Grinding Angles and Contact Area ↗Chapter 015Plan heavy stock removal
Balance removal rate, heat, geometry and consumable life.
Heavy Stock Removal ↗Chapter 046Review powered-abrasive safety
Verify disc condition, backing pad, guard and operating limits.
Abrasive Safety Fundamentals ↗Individual products
2 listed lines
Every product is shown with its known model, size, material or grade. Any remaining detail is confirmed before quotation.
4919
4919 siaral 8 Fibre Disc
Aluminium oxide · 100 × 16 mm or 180 × 22 mm · P24 / P36 / P60 / P80 / P100 / P120
4819
4819 siaron 8 Fibre Disc
Zirconia alumina · 100 × 16 mm or 180 × 22 mm · P24 / P36 / P60 / P80 / P100 / P120
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