BOSSDE P-166 Epoxy Primer Grey is a 2K epoxy primer kit for car repair prep. Use P-166G3 with CT-2116 hardener to build a strong anti rust base under your mid coat and top coat.

• Better corrosion protection with excellent salt spray resistance
• RoHS compliant with no heavy metals
• Easy repair workflow: good filling and fast dry help you move to next steps sooner
• Works on common repair substrates after sanding and cleaning

• Grey primer for easier top coat uniformity
• Designed for correct spray thickness: 40 to 60 microns
• Mixed paint usable for up to 2 hours

• Accident repair areas after removing rust and sanding old paint
• Vehicle refresh jobs where old coating must be sanded first
• Priming metal parts for maintenance and protection

1. Mix: 100 parts primer + 20 parts hardener + 25 to 35 parts thinner
2. Spray plan: 2 to 3 coats
3. Between coats wait 5 to 10 minutes
4. After spraying wait 5 to 10 minutes, then bake if you do bake curing
5. Keep film thickness around 40 to 60 microns
6. Usually you can go forward without sanding unless you find surface defects

• 4 L primer base carton
• 1 L hardener carton
• Shelf life 24 months under sealed storage
• Store cool around 20°C and protect from moisture and sunlight

If you want more dependable protection than basic economy primers, this epoxy kit is built for stable recoating and stronger salt exposure resistance, which supports longer lasting repair results.

OEM labeling and wholesale are available for professional partners and distributors.

1. Is this primer only for cars?

   It is designed for automotive repair priming and also fits general metal priming tasks in industrial repainting.

2. What if I do not bake? Follow your shop schedule for drying. The kit workflow supports temperature dependent drying and recoat timing guidance using specified systems.
3. Can I use it over old paint?Yes, after sanding and proper surface preparation.
4. Do I have to sand the primer before the next coat? Normally no. Sand only if you see defects or rough spots that need correction.
5. What happens if I mix the wrong ratio? Correct adhesion and curing rely on the specified ratio. Using the wrong mix can cause unstable performance and rework risk.
6. How long after mixing can I spray? Use within 2 hours after mixing to maintain spray quality and curing reliability.
7. How many spray passes should I plan? Plan for 2 to 3 coats and maintain the flash time between coats.
8. Where is it commonly used? It is a practical choice for repair shops working on panel repairs and repainting prep, including higher risk coastal environments.