Alkosign Dustless Colour Chalk are made of highly - refined
calcium Sulphate which keep dust to minimum.It writes much longer and provides excellent writing and arasing on green board.
Features
Dust Free Chalk : Dust is rarely blown in the air because the heavy particles of calcium Sulphate is fallen down.
Keep Hands Clean : Special formulation prevents dust form sticking to fingers.
Non-Toxic : Conforms to IS - 2694 - 1963 and ASTM D4236.
Specifications
Material : Calcium Sulphate
Chalk Size : 09mm x 75mm
Package Content : 1 x 100pcs / 50 pcs COLOUR & WHITE
Art No .: ADCW100 (100pcs.White) Art No .: ADCC100 (100pcs.Colour) Art No .: ADCW50 (50pcs.White) Art No .: ADCC50 (5pcs. Colour)