Standard Whiteboard / Blackboard Light Sources - This NaCl (Sodium Chloride) 30x15x4mm

This NaCl (Sodium Chloride) 30x15x4mm Rectangular Cell Window (Drilled) is soluble in water and glycerine

Potassium Bromide has fairly good resistance to thermal & mechanical shock

Add Salts MgSO4

Hex wrench 3/16 for burner head

Standard Whiteboard / Blackboard Light Sources - This NaCl (Sodium Chloride) 30x15x4mmStandard Reflective White Board Barium sulfate coating reflectivity: >98% (380~780nm), reflectivity in other bands >88%, diameter 30mm Polytetrafluoroethylene coating reflectivity: >93% (380~780nm), reflectivity in other bands >90%, diameter 30mm Standard Reflective Black Board Diameter: 30mm Reflective wavelength range: 380nm~780nm Reflectivity: <5%