IRIDIUM DISC 77 MM 20A GRIP

What is Mirka Iridium Disc 77 mm 20A Grip and why choose it

The Mirka Iridium Disc 77 mm 20A Grip is a high-performance coated abrasive disc designed for fast, consistent sanding on both soft and hard surfaces. Manufactured with cutting edge technology, Iridium discs cut aggressively while leaving a fine surface finish, helping you move quickly from rough stock removal to final preparation. Thanks to a precision coating and advanced multihole pattern, the disc resists clogging, repels dust and stays sharp for a long service life.

Main features

• Fast, efficient cutting – engineered for high stock removal with fewer sanding steps.
• Long-lasting sharpness – precision coating keeps the abrasive grains effective for extended use.
• Excellent dust management – Mirka’s multihole pattern provides efficient dust extraction and helps prevent clogging.
• Fine surface finish – delivers a smooth, even scratch pattern suitable for subsequent coating or polishing stages.
• Durable paper backing – latex C-paper backing offers flexibility and strong grain adhesion for reliable performance on contoured surfaces.
• Grip attachment – quick and secure hook-and-loop backing for fast disc changes and safe, stable sanding.
• Versatile material compatibility – performs well on a wide range of substrates, from automotive paints to wood and composites.

Technical specifications

• Product type: Coated abrasive sanding disc
• Diameter: 77 mm
• Grain: Ceramic / Aluminium Oxide
• Colour: Grey
• Backing: Latex C-paper
• Bonding: Low VOC resin system
• Attachment: Grip (hook-and-loop)
• Coating: Semi-open
• Form: Disc
• Physical state: Solid

Applications and use cases

The Mirka Iridium Disc 77 mm 20A Grip is suitable for professional and industrial sanding tasks where speed, dust control and surface quality are crucial. Typical applications include:

• Automotive refinishing – sanding primers, clear coats and topcoats, spot repairs and blending work.
• Automotive/OEM and vehicle manufacturing – process sanding on production lines, panel preparation and intermediate sanding.
• Wood processing – leveling fillers, smoothing solid wood and veneers, and preparing surfaces for stains or lacquers.
• Composites processing – sanding gelcoats and composite laminates prior to painting or finishing.
• Construction and decoration – finishing interior surfaces, detail work on trim and joinery.
• Marine industry – fairing and finishing coatings and fillers on hulls and superstructures.

FAQ – Mirka Iridium Disc 77 mm 20A Grip

1. What type of abrasive grain does the Iridium disc use?

   The disc combines ceramic and aluminium oxide grains for aggressive cutting performance and long life.

2. Is this disc suitable for both soft and hard materials?

   Yes, Iridium is designed to work efficiently on a wide range of soft and hard surfaces, including paints, fillers, wood and composites.

3. How is the disc attached to the sanding machine?

   It features a grip (hook-and-loop) backing that attaches quickly to compatible backing pads.

4. Does the disc help with dust extraction?

   Yes, the multihole pattern is engineered for effective dust extraction and reduced clogging when used with a suitable vacuum system.

5. Is the product classified as dangerous under chemical regulations?

   No, coated abrasives like this disc are considered articles and are not classified as dangerous substances or mixtures under Regulation (EC) No 1272/2008.

6. Can the discs be used in high-temperature applications?

   They are stable in normal use; however, at temperatures above 250 °C hazardous or toxic decomposition products may be generated, so such conditions should be avoided.

7. How should used discs be disposed of?

   Disposal as non-hazardous waste is generally possible if no hazardous materials have been added during use, in accordance with local and regional regulations.

8. Is there any known ecological impact from the discs themselves?

   No specific toxic or bioaccumulative effects are known for the discs in their supplied form.

9. What backing material is used?

   The disc uses a latex C-paper backing, providing flexibility and strong grain adhesion for demanding sanding tasks.

10. Do the discs require special labelling during storage or use?

    No special hazard labelling is required for this coated abrasive product.

Section 14 – Transport information

The Mirka Iridium Disc 77 mm 20A Grip is not covered by international regulations on the transport of dangerous goods. It is not classified as a dangerous product for transport by road, rail, sea or air. Standard packaging and normal handling procedures are sufficient during shipping and logistics.

Section 8 – Individual protection measures

Before sanding operations, it is recommended to carry out a risk assessment and select appropriate personal protective equipment according to the specific application and the material being ground. The following protective measures are advised:

• Respiratory protection: Use suitable respiratory protective equipment, especially in poorly ventilated areas or where dust levels may be high.
• Hand protection: Wear protective gloves to reduce mechanical irritation and improve grip on tools and workpieces.
• Eye protection: Use protective goggles or a face shield to guard against airborne particles and debris.
• Hearing protection: Use appropriate hearing protectors when sanding operations generate high noise levels.
• Body protection: Wear protective clothing as required by the task and working environment.

*Contenido generado por IA