PP910 has been introduced by Pre-Treatment Solutions (PTS) Ltd. as a cost-saving, non-chromate pre-treatment process, primarily for used on aluminium and aluminium alloy surfaces. 

 

Developed specifically for the pre-treatment of aluminium and aluminium alloys, PP910 produces a coloured surface finish and again is said to give excellent adhesion and corrosion resistance after subsequent coating.  The process is a direct replacement for chromate pre-treatment products and operates at temperatures from ambient to 40^oC, with an immersion time of between one and five minutes.  It can also be spray applied.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Process time is similar to an existing Alochrom process, which means that existing plant layouts or process times do not have to be altered.  Post water rinse is easily neutralised so there is no issue with effluent.

 

The PP910 process require pre-cleaning  of the aluminium

 

Consumption rates are 10ml/m² of substrate treated (ie: 100 square metres will use one litre of product).  They can be used in existing equipment – immersion or multi-stage spray application – and control is simple with full acid and free acid titration.  The processes meet BS6496 and BS EN ISO 12206 2004 (Paint and Varnishes Coatings of Aluminium for architectural purposes) although PTS recommends potential users to undertake independent testing.

substrate, either with the company’s ‘PP932’ ambient acid etch degreaser or ‘PP933’ alkaline aluminium etch degreaser. These remove the oxides present on the surface to allow the correct conversion reaction to take place and ensure effective bonding of the paint or powder to the treated surface.

Non-Chromate Plus

Coloured Finish

Plus

Excellent

Adhesion &

Corrosion Resistance

Phos-Prep, the modern solution for Pretreatment.

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