HB Body 411 4:1:1 Wet on Wet Primer Kit - Grey - 1250ml

The HB Body 411 4:1:1 Wet on Wet Primer Kit is a high-quality acrylic sealing primer designed for ...

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eBayHB Body 411 4:1:1 Wet on Wet Grey Primer 1.25ltr Kit with H729 Normal Hardener
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OnBuy.comHb Body Hb411 4:1:1 Wet On Wet Primer 1.25Ltr Kit With H729 Normal Hardener Grey 3872427062551
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Product Information

Full details

The HB Body 411 4:1:1 Wet on Wet Primer Kit is designed for professional automotive refinishers and collision repair technicians who prioritize efficiency and a high-quality surface finish. Its primary benefit is the ability to apply basecoats directly onto the primer without sanding, significantly reducing labor time in the spray booth. However, users should note that as a professional-grade product, it requires precise mixing ratios and adequate spray equipment to achieve the desired results on varying automotive substrates.

All features

ColourGrey
Model Part NumberHB411-KIT
BrandHB Body
Container Volume1250ml

Extended Product Information

FAQs

Can I use this on plastic bumpers?

Yes, it is suitable for various automotive plastics, provided the surface is properly prepped and cleaned.

Does this kit include the thinner?

The kit includes the primer and the hardener. Standard thinners compatible with acrylic systems should be used for the final '1' part of the ratio.

Do I have to sand this primer?

No, that is the main advantage of this wet-on-wet system. You can apply your basecoat directly once the flash-off time is reached.

What is the shelf life of the hardener?

Keep the hardener tightly sealed in a cool, dry area. If the hardener becomes cloudy or thick, it should be replaced.

Can I use this for spot repairs?

Yes, it is excellent for spot repairs due to its smooth leveling and quick turnaround time.

Troubleshooting

Poor adhesion to the substrate

Ensure the surface is thoroughly cleaned and degreased with a professional-grade surface cleaner before application.

Primer feels soft or tacky after drying

Verify the 4:1:1 mix ratio; incorrect hardener proportions will prevent the product from curing correctly.

Surface orange peel after application

Check your spray gun pressure and nozzle size; ensure you are spraying within the manufacturer's recommended distance.

Pros and Cons

Pros

  • Significantly reduces turnaround time by skipping the sanding step
  • Provides excellent adhesion for basecoats
  • Superior leveling properties for a professional finish
  • Comes as a complete kit with required hardener
  • Reliable, high-quality acrylic formula

Cons

  • Requires professional spray equipment for best results
  • Strict 4:1:1 mixing ratio must be followed for proper curing
  • Not suitable for use on large repairs requiring heavy body work

Setup, Compatibility & Care

To ensure success, maintain a clean, dust-free spray booth environment. Before mixing, ensure your tools are clean and that you are using an accurate mixing cup or scale to maintain the 4:1:1 ratio. The '4' represents the primer, '1' the hardener, and '1' the thinner (if required by your specific viscosity needs). Store the components in a cool, dry place away from direct sunlight and extreme temperatures. Always use appropriate personal protective equipment, including a respirator and gloves, when handling professional automotive chemical products.

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