SEM High-Build Primer Surfacer 20oz Aerosol Can – Black for Automotive and Industrial Applications

High-Build Primer Surfacer - 20oz Aerosol Can - Black

High-Build Primer Surfacer is a flexible acrylic coating for priming steel, aluminum, urethane, fiberglass, and plastics.

Features:

• Provides superior adhesion
• Excellent filling properties
• Works on multiple substrates, including metal and plastic
• Easy to sand
• Topcoat with most refinish material

Applications:

• Steel
• Aluminum
• Plastic
• SMC
• Fiberglass

Properties:

• 20 oz. Aerosol
• Coverage: 11 sq. ft. at 2 mil DFT
• Coats: 2-3 medium wet
• Dry time: 1 hr
• Flash time: 5-10 min between coats

The SEM High-Build Primer Surfacer in a convenient 20 oz aerosol can is designed to deliver exceptional adhesion and filling properties for a variety of substrates including steel, aluminum, fiberglass, plastics, and SMC. This versatile primer is ideal for automotive refinishing, industrial applications, and custom projects where a durable, smooth base coat is required. Its flexible acrylic formulation ensures compatibility with most topcoats, making it a reliable choice for achieving professional-quality finishes.
Surface preparation is simplified with this primer’s excellent adhesion capabilities, which help ensure a strong bond to diverse materials. The high-build nature allows for effective filling of surface imperfections and minor imperfections, reducing the need for extensive bodywork. The primer dries in approximately one hour and can be recoated after 5 to 10 minutes of flash time, allowing for efficient application workflows. Applying 2 to 3 medium wet coats will typically cover around 11 square feet at a 2 mil dry film thickness, supporting both small repairs and larger projects. This primer is easy to sand, making it straightforward to achieve a smooth surface before applying the final topcoat.
Designed for ease of use, the aerosol format provides precise application and minimizes overspray, making it suitable for both professional body shops and DIY enthusiasts. Whether working on metal or plastic surfaces, the SEM High-Build Primer Surfacer provides a reliable foundation for high-quality finishing results. Its compatibility with most refinish materials ensures a seamless layering process, ultimately delivering a durable, professional-looking finish that meets industry standards.

Features:

• Provides superior adhesion for multiple substrates including metal and plastic

• Excellent filling properties for surface imperfections

• Works on steel, aluminum, fiberglass, and plastics

• Easy to sand for a smooth finish

• Compatible with most topcoats and refinish materials