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Table of Contents
WARNING: toxic. Probably the most dangerous chemical you are likely to run into. Spilling high concentration on your skill will make you die a horrible death, no joke.
Safety
Recommend use of approved respirator. Ex: 3M 7800 with acid gas cartridges. Recommend use of gloves. Double gloving may be a good idea. Recommend keeping calcium gluconate around in case of exposure. Ex: Calgonate
Applications
Dissolves SiO2.
Suppliers
Due to this chemicals extreme toxicity it may be difficult to acquire depending where you are. Some rust removers are HF. Whink brand rust remover is a weak HF solution. At this solution data sheets indicate that it is not so deadly but it should still be treated with care. Contact me if you need to get a stronger solution brand.