C-Tech CT720 1K Surface Primer, 1 Gallon (3.785 L)

C-Tech CT720 1K Surface Primer is a premium single-component primer designed to provide excellent filling, fast drying, and easy sanding for automotive refinishing. It creates a smooth, uniform surface by filling minor sanding scratches and imperfections, making it the ideal foundation before applying sealer, basecoat, or topcoat.

Key Features

• Single-component formula — ready to use
• Excellent filling and hiding properties
• Covers minor sanding scratches and surface imperfections
• Fast drying for increased shop productivity
• Easy sanding with smooth feather edging
• Excellent adhesion to properly prepared surfaces
• Produces a smooth, uniform finish
• Professional-grade European technology

Ideal For

• Automotive collision repair
• Spot repairs
• Panel refinishing
• Vehicle restoration
• Surface preparation before basecoat

Compatible Surfaces

• Sanded OEM finishes
• Polyester body filler
• 2K primer surfacers
• Bare steel (properly prepared)
• Galvanized steel
• Aluminum
• Fiberglass (FRP)

Application

• Stir thoroughly before use.
• Reduce 1:1 with C-Tech CT530 Urethane Reducer (or equivalent 1K reducer, if required).
• Apply 2–3 medium wet coats.
• Allow 5–10 minutes flash time between coats.
• Allow primer to dry completely before sanding.

Sanding Recommendations

• Dry Sand: P400–P600
• Wet Sand: P800–P1000

Specifications

• Brand: C-Tech
• Model: CT720
• Product Type: 1K Surface Primer
• Size: 1 Gallon (3.785 L)
• Color: Gray
• Technology: European Technology
• Professional Use: Yes

Benefits

• Fast drying and easy sanding
• Excellent surface leveling
• High-build coverage for minor imperfections
• Improves topcoat appearance
• Compatible with most automotive paint systems
• Helps produce a smooth, professional-quality finish

C-Tech CT720 1K Surface Primer is the ideal choice for body shops and professional refinishers seeking a reliable, fast-drying primer that delivers excellent filling, smooth sanding, and a premium foundation for high-quality automotive paint finishes.