51075 - 3M universal putty 1L for heavy-duty application

3M 51075 high-density universal putty is a two-component polyester putty designed for filling and repairing defects on common automotive substrates. Its high density and strong filling power make it suitable for filling deep gouges and surface irregularities before optionally applying a finer finishing putty.

Technical specifications - 3M 51075 1 L high-density universal putty

• Product name: High-density universal putty
• Brand: 3M
• Part number: 51075
• Product type: High-density two-component polyester putty
• Color: Off-white
• Packaging: 1 L can
• Weight: 1.76 kg
• Density: 1.8 g/cm³
• Appearance: Paste
• Hardener dosage: 2 to 3% depending on ambient conditions
• Time before sanding: Approximately 20 minutes at 20 °C
• Compatible hardener: 3M 51077
• Use: Professional - automotive repair

Properties and benefits

• High-density putty with strong filling power
• Suitable for filling and repairing bodywork defects
• Fills deep gouges and surface irregularities
• Can be applied to various automotive substrates, including stainless steel, aluminum, and galvanized surfaces
• Can be sanded after approximately 20 minutes at 20 °C
• Prepares the surface before optionally applying a finer finishing putty

Recommended applications

• Professional automotive body repair
• Filling defects and surface irregularities
• Filling deep gouges
• Application on stainless steel
• Application on aluminum
• Application on galvanized surfaces
• Surface preparation before applying finishing putty

Instructions for use

• Clean, degrease, and thoroughly sand the substrate before application
• On steel, generally prepare the surface with P80-grit abrasive
• On aluminum, generally use P120-grit abrasive
• On compatible plastic, generally use P120 to P180 grit, depending on the material
• Thoroughly mix the putty with 2 to 3% hardener until the color and consistency are uniform
• Avoid using too much hardener, as this may cause defects during painting
• Apply the mixture to the repair area using a suitable spatula
• Allow to harden for approximately 20 minutes at 20 °C before sanding
• Sand until the surface is smooth before continuing with the repair and painting process

Non-contractual photo

See all reviews.