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eBay£20.95Visit shop HB Body P261 1L 2K Polyester Filling Primer& 50ml Polyester Hardener 100:5 Ratio
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The HB Body Polyester Filling Primer Kit (HB261-1KIT) is an essential solution for automotive body shops and DIY enthusiasts looking to achieve a professional-grade, smooth surface before painting. Designed for filling rough surfaces and imperfections, this high-build primer offers excellent coverage and easy sanding properties; however, it requires precise mixing and careful handling due to its fast-reacting polyester chemistry.
| Model Part Number | HB261-1KIT |
|---|---|
| Brand | HB Body |
The primer must be mixed at a ratio of 100 parts primer to 5 parts hardener by weight.
While technically possible for small touch-ups, this product is designed for spray application to achieve a smooth, professional finish.
Cure times vary based on ambient temperature and humidity; check the technical data sheet for specific temperature-based drying intervals.
While it has good adhesion, it is primarily designed as a filling primer; ensure your substrate is properly prepared or primed with an etch primer if necessary.
This primer is formulated for automotive steel and metal body panels; use caution and test on a small area if considering it for specialized plastics.
Ensure the 100:5 mixing ratio was followed precisely and verify the hardener has not expired.
Adjust spray gun pressure or check if the material requires proper thinning according to the technical data sheet.
Immediately flush the gun with high-quality solvent; never allow polyester primers to dwell in equipment.
Before starting, ensure your workspace is well-ventilated and you are wearing appropriate personal protective equipment. To prepare the primer, mix the resin and hardener strictly according to the 100:5 weight ratio using a high-precision scale. Only mix the amount you intend to use immediately, as the pot life is limited by the polyester chemistry. When applying with a spray gun, ensure your air pressure is set to the manufacturer's recommendations for high-viscosity coatings. Always clean your spray equipment thoroughly with an appropriate solvent immediately after use, as polyester products can harden and cause permanent damage to gun internals if left to dry.
