Cromadex 640 Two Pack Polyurethane Fine Texture Topcoat

Cromadex 640 Two Pack Polyurethane Fine Texture Topcoat is a two pack polyurethane fine texture topcoat with excellent exterior durability and chemical resistance. The product offers a fine texture appearance for an aesthetic finish.

Cromadex 640 Two Pack Polyurethane Fine Texture Topcoat demonstrates good mar resistance, ideal if the end product is to be widely handled. The addition of Cromadex 600 Rapidcure Accelerator can speed up the drying time helping improve productivity in your factory. Cromadex 640 is available in the full Cromadex range of colours, including BS, RAL, metallic and special matches all in a lead free finish.

Life expectancy of up to 15 years in a C3 (as determined in ISO12944) external environment when used with a suitable Cromadex primer. See Extra Life brochure for full details.

Suitable Substrates and Preparation

Mild Steel: Degrease with Cromadex 678 Spirit Wipe and abrade steel with P180. If necessary blast clean to remove millscale, minimum surface preparation SA2. Apply suitable Cromadex primer.

Aluminium & Galvanised Steel: Apply Cromadex 903 Chromate-Free Etch Primer.

Stainless Steel: Use of Cromadex 903, AQ58, 750 or 850 primer is required.

Powder Coating: Degrease and abrade with P280.

Plastics: Direct adhesion to ABS, Noryl & PU Foam (Rigid), for HIPS, Acrylic, Polycarbonate, PVC and PU Foam (flexible) consult the Technical Department. Clean with a suitable anti-static cleaner prior to coating.

6L unit comprises;

5L of 640 Base + 1L of 600 Curing Agent

24L unit comprises;

20L of 640 Base + 4L of 600 Curing Agent