CWT_Primers_June2023

Coffee With The Techies

Session 3 – Primer

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The End To End Repair Process

Let’s discuss….

…what do you know about Primers?

….and is there anything you want to know at the end of this session?

There are lots of Primers in bodyshops

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A selection of products you are maybe familiar with…

Microns – what are they?

The make up of OEM paint film…

The make up of REFINISH paint film…

Walkthrough of products…..

• Anti corrosive properties • Aids adhesion • Prep wipes option

• Replicates OEM E-coat properties (warranty)

• Applied in controlled environment e.g., spraybooth

Prep wipes for certain processes

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• Plastic parts contain release agents • Creates a chemical bond by crystallising • Flexible coating

• Adhesion to plastic parts

• Applied in controlled environment e.g., spraybooth • Important, flash-off times must be followed by TDS

Walkthrough of products…..

• To fill scratches (P180 – P320) after bodyfiller repair

To fill imperfections within a panel

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• Applied in controlled environment e.g., spraybooth

High viscosity primer

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• Sprayed with gun using 1.6 – 1.8mm fluid tip

Bake, force dry, IR or air dry

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• To fill scratches (P180 - P320) after bodyfiller repair

To fill imperfections within a panel

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High viscosity primer

Applied by roller

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Dedicated primer with some brands

• Doesn’t have to be applied in controlled environment e.g., spraybooth

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Processed in situ with minimal masking

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Low energy used – carbon footprint

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IR or air dry

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Walkthrough of products…..

Fastest curing primer

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• Specialist equipment needed for curing

• High build primer cured by UV Light Radiation

No wastage

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Low energy used – carbon footprint

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UV H&S Requirements

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• Applied in controlled environment e.g., spraybooth

• Aerosol for small areas that have been sanded through • No need to use spray gun for these small areas

• Primer for very small areas

• Applied in controlled environment e.g., spraybooth

Walkthrough of products…..

Process coating for new panels

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Super smooth finish

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• Low viscosity primer surfacer

• No need to sand before topcoat after TDS flash- off • Applied in controlled environment e.g., Spraybooth

• Improves perceived opacity of basecoats

• Shaded primer: - Wet on Wet & High Build

Reduces basecoat usage

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Interior/engine bay shades

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Grey Shaded Primer – Why bother?

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What Primer vs. What Purpose?

Repaired Panels

Plastic Panel New

Plastic Panel Repaired

Additional Info

New Panels

For warranty process compliance, always advise on the brand the customer is using

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Etch Primer

If Etch Primers are not recommended under the brands primers, prep wipes are the recommendation

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Etch Prep Wipes

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Plastic Primer

Ideal for small rub throughs and spot repairs on bumpers

High Build Primer (Sprayed)

Dedicated hi-build primer gun with a 1.6-1.8 tip recommended for optimum finish Ideal for batch priming jobs last thing at night to allow for curing overnight, and jobs will ne ready for the next morning

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High Build Primer (Roll)

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Bonus: Opportunity to sell Optima foam rollers & mixing board

Some wet on wet primers allow panels to be ‘batch primed’ and be overcoated in 4 days without prep!

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Wet on Wet Primer

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UV Primer

Recommend a UV lamp!

Rub Through Primer

Always advise on keeping with customers core brand (If premium paint brand (‘A’) used)

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TDS…the need to knows

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Let’s read one together…

Reading a Product Shelf Life – it’s a mine field!

Don’t forget…..

The door is open all day for any questions you have…