3M Bondo 264D Lightweight Body Filler With Hardener – 3.4 kg is a two-component polyester filler for repairing dents, dings, gouges, and other cosmetic surface imperfections. The kit includes body filler and cream hardener. 3M vacuum processes the filler to give the paste a smooth texture, making it suitable for spreading across a prepared repair area before shaping and sanding. It is intended for professional surface repair where a damaged area needs to be filled and brought back to an even profile before finishing.

This 3M Bondo body filler can be used on bare steel, galvanized steel, aluminium, sheet molded compound (SMC) and fiberglass reinforced polyester (FRP). Those listed materials make it relevant to a range of boatyard and marine workshop jobs, such as cosmetic repairs to suitable metal panels or FRP parts. The material and condition of the repair area matter: identify the substrate and follow 3M’s preparation instructions before applying the filler. Its stated purpose is to correct surface imperfections; the supplied product information does not describe it as a structural repair material or a coating for permanent water immersion.

The filler and Bondo cream hardener are mixed immediately before use. According to 3M’s technical data sheet, the correct hardener-to-filler ratio is 2% by weight, and the typical working time is 3–5 minutes at 25°C. This gives the person carrying out the repair a short period to mix and spread the paste, so it is practical to prepare the surface and tools first and mix only the amount needed for the job. 3M advises using a clean, nonporous mixing surface and mixing thoroughly to a uniform colour. Temperature affects the working and curing process, so the stated times should be treated as typical conditions rather than a fixed schedule for every workshop.

Once applied, the filler can be shaped and sanded as part of the surface finishing process. 3M states that it cures tack-free in about 20 minutes and gives good sanding and handling characteristics. Its technical data sheet lists a typical shape-sanding time of 8–12 minutes and a finish-sanding time of 20 minutes when mixed with 2% hardener by weight at 25°C. These details help plan a sequence of filling, shaping, and finer sanding for a cosmetic repair. For buyers selecting a lightweight body filler with hardener, the main checks are the substrate, the type of damage, and whether the repair is within the product’s stated cosmetic-use scope. Always refer to the current 3M instructions for surface preparation, mixing, and subsequent finishing.

Key Features:

• 3M Bondo 264D Lightweight Body Filler With Hardener – 3.4 kg combines a vacuum-processed polyester filler with cream hardener for cosmetic surface repairs.
• Fills dents, dings, gouges and similar imperfections on the substrates specified by 3M.
• Smooth paste consistency supports spreading, shaping and sanding during the repair process.
• Suitable listed substrates include bare steel, galvanized steel, aluminium, SMC and FRP.
• Typical working time is 3–5 minutes at 25°C; mix the hardener at 2% by weight as directed by 3M.
• The 3.4 kg kit is supplied with hardener.

Applications / Suitable For:

• 3M Bondo 264D Lightweight Body Filler With Hardener – 3.4 kg is suitable for filling cosmetic dents, dings and gouges on properly prepared surfaces listed by 3M.
• Surface correction on suitable bare steel, galvanized steel, and aluminium parts.
• Cosmetic repair of suitable sheet molded compound and fiberglass reinforced polyester components.
• Boat maintenance and marine workshop work where the repair material is one of the specified substrates and the task is cosmetic filling.
• Other industrial or architectural surfaces needing minor repairs, subject to 3M’s application instructions.

FAQs:

Q: What surfaces can 3M Bondo 264D Lightweight Body Filler With Hardener – 3.4 kg be used on?
A: 3M lists bare steel, galvanized steel, aluminium, SMC, and FRP for cosmetic filling. Prepare the surface according to its instructions.

Q: Does the 3.4 kg kit include hardener?
A: Yes. 3M identifies this product as a 3.4 kg kit supplied with cream hardener.

Q: How much hardener should be mixed with the filler?
A: 3M specifies cream hardener at 2% of the filler’s weight. Mix thoroughly to a uniform colour.

Q: How long does the filler take before sanding?
A: At 25°C with 2% hardener, 3M lists typical shape sanding after 8–12 minutes and finish sanding after 20 minutes. Actual timing depends on conditions.