Question: what is the difference between 1k and 2k paint?
Answer: 1K paint has a faster drying time compared to 2K paint and will air dry. This means that the paint does not require an activator to dry, unlike the 2K/Pack alternative. ... 1K paints typically dry's faster than 2K paints. 2K means an activator is required to dry/cure, sometimes referred to as a hardener.