DISC NOVASTAR 150MM GRIP 121A

What is DISC NOVASTAR 150MM GRIP 121A and why choose it

The Mirka DISC NOVASTAR 150MM GRIP 121A is a premium 150 mm film-backed sanding disc designed for demanding professional sanding applications. With its advanced grain technology and optimised 121-hole pattern, it offers fast cutting performance, long lifetime and highly efficient dust extraction on both soft and hard surfaces.

Based on Mirka’s Group 1 coated abrasives platform, this disc is classified as a non-dangerous article and is suitable for a wide range of grinding and sanding operations on different kinds of materials. It is an ideal choice for bodyshops, carpentry, industry and any workshop that requires consistent, high-quality surface finishing.

Main features

• Premium film abrasive for tough and demanding sanding tasks, maintaining high cutting power throughout its lifetime.
• 150 mm diameter with 121-hole multihole pattern for excellent dust extraction and cleaner working conditions.
• Grip (hook and loop) attachment for quick disc changes and secure fixation on compatible backing pads.
• Mixed ceramic and aluminium oxide grain designed to stay sharp and resist clogging, even on hard coatings.
• Flexible polyester film backing that follows contours and edges while offering very good edge wear resistance.
• Semi-open coating with low VOC resin bond, engineered to minimise loading and improve disc durability.
• Fully waterproof construction, suitable for both dry and wet sanding where process allows.
• Non-classified as hazardous according to Regulation (EC) No. 1272/2008, as it is supplied as an article rather than a chemical mixture.

Technical specifications

• Brand: Mirka
• Product line: Novastar premium film abrasive (Group 1 coated abrasives)
• Product name: DISC NOVASTAR 150MM GRIP 121A
• Form: Sanding disc
• Diameter: 150 mm
• Attachment type: Grip (hook and loop)
• Backing material: Polyester film
• Abrasive grain: Ceramic / aluminium oxide blend
• Coating: Semi-open, precision coated to reduce clogging
• Bonding: Low VOC resin system
• Colour: Transparent
• Hole configuration: 121-hole multihole pattern
• Physical state: Solid coated abrasive article
• Water resistance: Designed as a fully waterproof disc
• Classification: Not classified as a dangerous substance or mixture under Regulation (EC) No. 1272/2008

Applications and use cases

The Mirka DISC NOVASTAR 150MM GRIP 121A is engineered as a high-performance universal disc for grinding and sanding a variety of substrates. Typical uses include:

• Automotive refinishing: leveling fillers, primers and clear coats; preparation for repainting and polishing.
• Woodworking and furniture: sanding hardwoods and softwoods, MDF/HDF, veneers and lacquers prior to finishing.
• Composites and plastics: surface preparation on fibreglass, synthetic materials and composite parts.
• Construction and interior finishing: sanding putties, plasters and painted surfaces for a smooth, even finish.
• General industry: metal and non‑ferrous metal surface conditioning before coating or further processing.

Its robust film backing and advanced grain make the DISC NOVASTAR 150MM GRIP 121A particularly suitable where long disc life, consistent finish quality and effective dust control are important.

FAQ – DISC NOVASTAR 150MM GRIP 121A

1. Is the DISC NOVASTAR 150MM GRIP 121A classified as a hazardous product?

   No. As a coated abrasive article, it is not classified as a dangerous substance or mixture according to Regulation (EC) No. 1272/2008.

2. What materials can I sand with this Mirka Novastar disc?

   It is intended for grinding and sanding different kinds of materials, including metals, wood, fillers, primers, composites and various coated surfaces, depending on the selected grit.

3. What type of backing pad do I need?

   You need a 150 mm backing pad with a compatible hook and loop (Grip) system and a hole pattern suitable for 121-hole multihole discs to benefit from the optimised dust extraction.

4. Can I use this disc for both dry and wet sanding?

   Yes. The disc is fully waterproof and can be used for dry or wet sanding where the process and equipment allow it.

5. Does the disc generate hazardous dust?

   The disc itself is not classified as hazardous, but dust from the workpiece material may be hazardous. National dust exposure limits must be observed and appropriate extraction and personal protective equipment should be used.

6. How should I store the discs?

   Follow the instructions of the grinding or sanding machine manufacturer and applicable national regulations. Store in a dry, clean environment and avoid extreme temperatures or moisture.

7. What should I do in case of accidental ingestion or contact?

   Due to the solid form of the coated abrasive, harmful effects are not expected in normal use. Ingestion is unlikely; if it occurs and there are concerns, contact a physician.

8. Can the discs be disposed of as normal waste?

   If no hazardous materials have been added during use, disposal as non‑hazardous waste is possible in line with Decision 2000/532/EC (EWC 120121). Always follow national and regional regulations.

9. Is there any special fire risk?

   The product is stable in normal use. In case of a fire in the surrounding area, suitable extinguishing media such as water, foam, sand, powder or CO₂ can be used. Toxic fumes may be generated, so respiratory protection is recommended for fire fighters.

Section 14 – Transport information

The DISC NOVASTAR 150MM GRIP 121A is not covered by international regulations on the transport of dangerous goods. It is supplied as a non-dangerous coated abrasive article, so no special transport classification under ADR, RID or IATA is required. Normal precautions to protect the packaging from damage, moisture and extreme temperatures during transport should be observed.

Section 8 – Individual protection measures

Before starting any grinding or sanding operation with the Mirka DISC NOVASTAR 150MM GRIP 121A, it is recommended to perform a risk assessment and select personal protective equipment according to the specific application and the material being sanded. The following measures are advised:

• Respiratory protection: use suitable respiratory protective equipment to limit inhalation of dust generated during sanding.
• Hand protection: wear appropriate protective gloves to reduce the risk of mechanical injury and skin contact with dust.
• Eye and face protection: wear protective goggles or a face shield to prevent particles and dust from entering the eyes.
• Hearing protection: use ear protection when operating sanding machines, especially in noisy environments.
• Body protection: use suitable protective clothing to limit skin exposure to dust and particles.

In addition, follow the instructions of the grinding or sanding machine manufacturer and comply with relevant national occupational safety regulations.

Contenido generado por IA .