40-444

2K High Build Primer

About the product

40-444 is a filler with high filling power and very easy to sand, can be used as compact or high-build sanding filler. It can also be used to fill partial areas (spot repair) without post-sagging and edge markings. Can also be used wet-on-wet with the addition of 20-30% thinner. Cana be used directly on steel, zinc, and aluminium.

40-444

2K High Build Primer

Tech Docs

About the product

Application Preparation

VOC Compliance

2004/42/IIB(c)(540)<500

Mixing Ratios

40-444: 100, 40-444HN: 25, 99-200: 10%

Shelf Life

12 months

Application Process

Film Thickness

90-270 µm, W/W 20-30 µm

Defines the optimal thickness of each coating layer to achieve the best coverage and durability.

Viscosity

22-35s, 4mm DIN, W/W 12-16s

Specifies the consistency of the product, influencing flow and application quality. Measure taken with a 4mm DIN cup.

Spray Gun Settings

1.6-1.8mm nozzle, 2 bar

Indicates the recommended nozzle size and pressure settings for achieving smooth, even application.

Drying and Sanding

Initial Drying Time (Dust dry)

10 min at 20 °C

Indicates the time required for the product to reach a dust-dry stage at room temperature.

Sanding Time (20 °C)

Sandable after 1.6h

Suitable for sanding after the product has dried at room temperature, allowing flexibility for slower curing.

Sanding Time (40 °C)

Sandable after 45 min

Sanding can commence sooner with moderate heat, reducing the overall curing time.

Sanding Time (60 °C)

Sandable after 20 min

Allows for quick sanding after high-temperature drying, ideal for faster workflows.

40-444

2K High Build Primer

40-444

2K High Build Primer

Application Preparation

Application Process

Drying and Sanding

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Catalog

Technical Data Sheets