Pros

  • Adheres effectively to poorly shaped plastic, ideal for automotive applications.
  • Sands well, allowing for a smooth finish.
  • Maintains its position well on vertical surfaces without being cakey or runny.
  • Minimal shrinkage compared to art putties.
  • Mixing ratio can be managed better with a precision scale, improving consistency.
  • Ideal for large surface area applications despite being shallow, at less than 1/16".

Cons

  • Sets very quickly, posing challenges for less experienced users to achieve a smooth finish.
  • Requires multiple coats and additional sanding to reach desired results.
  • Confusing product labeling, implying both 'single component' and 'twart component.'
  • Lacks clear instructions, leading to issues with mixing components, especially with the hardener.
  • Users reported inconsistent mix ratio instructions between the product sheet and packaging.
  • Hardener cream sometimes hardens prematurely if not mixed correctly.
  • Requires a secondary product for complete repairs due to failure to dry or harden correctly.
  • Package and webpage errors need correction for clarity.

Bottom Line

The Bondo 801 Professional Glazing and Spot Putty is a potent option for professional users looking to refine automotive surfaces, thanks to its strong adhesion and easy sanding. However, it does require a more skilled hand for mixing and applying, due to its fast setting nature and lack of clear instructions. Those new to using putties or seeking a more straightforward application experience might find this product challenging. The use of technical data sheets for precise mixing instructions is highly recommended to avoid common pitfalls.

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