Featured is a welding chalk that is made of talc. Graded as first class, this welding chalk offers clear and long-lasting marking. This welding chalk is perfect for welder and fabricators to mark on metals or other surfaces.

• Material: talc.
• Grade: first class.
• Whiteness: 90% ± 1.
• Hardness: 1 Moh's.
• Silica: 60% ± 1.
• Magnesium oxide: ≥ 30%.
• Finish: no polishing.
• Certification: ISO9001.
• Characteristics: dust-free, high visibility, no run, char, discolor, peel or crack when welding.
• Application: used by welders and fabricators for marking on metals, etc.
• Use: mechanical manufacturing, vehicles manufacturing, ship manufacturing, steel factory, etc.