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Car Primer Spray Process
Ask a 3M ExpertPrimer Application with 3M™ Performance Spray Gun and 3M™ PPS™ Series 2.0 Spray Cup System.
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The revolutionary design of the 3M™ Performance Spray provides the finish of a premium HVLP (high volume low pressure) spray gun at a fraction of the cost.
Thanks to the replaceable atomising head, it’s like spraying with a brand new gun every time you use a new head.
A range of atomising heads are available to match the right primer product of your choice.
The integrated system of 3M™ PPS™ Series 2.0 Spray Cups and replaceable nozzles delivers the fastest changeovers in the industry, which adds up to faster cycle systems and more time in the zone.
Download 3M™ Performance Spray Gun Brochure (PDF,2.5MB)
Download 3M Primer Application Process Chart (PDF,0.5MB)
Click on the picture to watch the video
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Learn more about 3M™ Performance Spray Gun System with PPS™ Series 2.0
Delivering precision performance, lightweight durable design, and an innovative nozzle system that makes clean-up and changeovers faster than ever before. It's a difference you will see and feel; both in your hand, and in the quality and efficiency of your paint jobs.
Step-by-step process guide for car primer application
Safety first! Please always consult national regulations for suitable Personal Protective Equipment (PPE) for use against hazards, including isocyanates. PPE shown may not be adequate or suitable for your specific application or substances used.
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Step 1 - Cleaning of the surface
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Degreasing of the surface with special cleaner - please do observe the recommendations of your paint manufacturer.
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Step 2 - Mixing of the primer
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3M™ PPS™ helps you to estimate the needed quantity of primers on demand and helps to improve the quality of the primer application. Do use the primer shade recommended by your paint manufacturer!
3M™ PPS™ allows the quick change between different primer shades.
Recommended products:
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Step 3 - Setup 3M™ Performance Spray Gun
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Pull the trigger back, making sure the locking collar is in the “+ configuration”.
Slide the atomising head over the fluid needle and push towards the spray gun body. Secure the atomising head by rotating the retainer ring clockwise until the retainer ring tabs are locked in the “X configuration”.
Maximum HVLP Operating Air Pressure: 1.38 bar (20 psi)
Operating Pressure Range is between 0.5 bar to 2.4 bar (7 psi to 35 psi)
Recommended products:
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Step 4 - Primer Application 1. layer
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The 3M™ PPS™ System allows primer application from different angles without dripping, meaning edges and wheel arches can be coated safely. Modern primer technologies show reduced pot lives.
Using freshly mixed primer with every application avoids lamination of a surface and consequent shadow effects (scratch ring shows after solvent has dried away) and reduces the subsequent sanding work considerably.
Recommended products:
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Step 5 - Primer Application 2. layer
3M™ Performance Spray Gun & 3M™ PPS™ in primer application allows you to create a finer coating due to always having a clean spray pattern.
This ensures a smoother primer. A smooth primer allows for time and work savings in the process of primer sanding.
Recommended products:
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Step 6 - Cleaning 3M™ Performance Spray Gun
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Pull the trigger back. Rotate the locking collar counter-clockwise and pull the atomising head away from the gun body.
Clean the needle with a solvent cross linked cloth.
Simply put on the new nozzle in the size you need and you’re done - always store the 3M™ Performance Spray Gun with a nozzle on to protect the needle.
3M™ Performance Spray Gun and 3M™ PPS™ Series reduce cleaning work considerably and lowers your solvent consumption.
Recommended products:
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Step 7 - Forced drying
Please do observe the recommendations of your paint manufacturer concerning object temperature and drying time.
The quality of drying has a positive influence on the sanding properties of the primer.
Forced drying accelerates the repair process and at the same time ensures an even drying of the primer.
A primer which has hardened evenly and well can be sanded a lot easier.
Technical tips for car primer application process
Here are some valuable insights into primer application challenges before painting, including quick tips on estimating the material for each job or changing the nozzle. For more in-depth information, click the link below to see each tip.
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Why is the right primer shade important?
Customer Challenge:
The recommendation of all paint manufacturers is to use the different grey shades of a primer in relation to the colour to be painted. As the change within the greyscales often seems too time-consuming and cleaning intensity, every job will be primered with one and the same grey shade.
Technical Tip:
With the combination of the 3M™ Performance Spray Gun and 3M™ PPS™ Series 2.0 in primer application you are able to change the recommended grey shades quick and easy. The high solids content of modern primers makes cleaning even more difficult. Our products support you to save expensive base coats due to a faster coverage, in terms of the right primer shade and colour. -
Why Primer on demand?
Customer Challenge:
When primer is mixed, one mix is often used to prime several repairs at the end of a working day, as primer is available at that moment and the effort of remixing and re-cleaning of the spray gun is avoided.
Technical Tip:
There are several reasons why primer should be mixed freshly and applied straight away - such as shorter repair times and better estimate of the required amount of primer. Due to the shorter pot life of modern primers, this means the first primer application is good, but the longer the primer has time to start the curing reaction, the quality deteriorates. The different 3M™ PPS™ Series 2.0 Spray Cup sizes help to estimate the material required for each job, reducing the chance of overmixing. -
When should I change the nozzle?
Customer Challenge:
High solids content of modern primers makes cleaning difficult and short pot life of modern primers require immediate gun cleaning. This leads to accumulation of primer residue and deterioration of spray pattern and performance.
Technical Tip:
When in regular use, changing the nozzle daily is recommended to maintain the superior performance of the 3M™ Performance Spray Gun. Definitely change the nozzle if the spray pattern begins to degrade or fluid begins to leak. Whenever you put on a new nozzle, you can expect like-new spray performance from your gun.In the image: Change of fan pattern with use (wear out) of nozzle.
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Remember to always use appropriate personal protective equipment (PPE), including safety eyewear, gloves, hearing and respiratory protection for your job and workplace!
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