A712 Polyester Spray Filler 1 Litre

A712 Polyester Spray Filler 1 Litre


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A712 Polyester Spray Filler is a light grey two-component polyester spray filler. It is designed for the repair of large surfaces with extensive defects and irregularities - where use of conventional knifing stoppers would be inconvenient and time-consuming. Quick drying, easy to apply and with high film build, A712 Polyester Spray Filler may be used over a variety of substrate materials. Once sanded, it may be overcoated with any refinish primer or surfacer before application of topcoat. 


Substrates & Preparation:

Steel - After degreasing with AA-6822 Protec Heavy Duty Wax & Grease Remover, sand with STARTLINE P80 - P120 grit and make completely rust free by conditioning with 971-9119 Protec Metal Conditioner.

Fibreglass - After removing mould release agent using 978-9051 Protec Surface Cleaner No3 and degreasing with AA-6822, sand with Startline 240 - 320 dry grit.

Do not apply A712 Polyester Spray Filler to acrylic lacquer finishes, freshly painted surfaces or acid etch primers.


Mixing Ratio:

A712: Volume - 100 parts, Weight 100g
SHA307: Volume - 2.5 parts, Weight 2g
A714: Volume - 0-10 parts, Weight 0-8g


Spraygun Settings:

Setup 2.0 - 2.5 mm; Spray Pressure 2.0 - 3.0 bar / 30 - 43.5 psi


Drying Time & Temperature:

Dust Free (at 20'C) 20 minutes. Dry to Sand (at 20'C) 2-3 hours. Dry to Sand (at 60'C) 30 minutes.

IR: Short Wave 10 minutes. Medium Wave: 15 minutes.


Overcoat / Recoat: Sanding (Dry): P120 - P180 (dry) followed by P240 - P320,