SQI Stationery --> Chalk Products

        Hi-Plaster chalks:
- Molded calcium sulfate chalk from quality plaster and adequate pigment.
- Easy to write and erase, not so dusty when handling because of highly polymerized compound.
- Available in square shape and jumbo size for drawing purpose or out-door creative activities.
- Low cost with a good balance of writing performance, erasable ability and handling sanitary requirement.

        Hi-Heavy Dustless Chalks:
- Extruded calcium carbonate chalk from fine quality calcium carbonate.
- Excellent writing, smooth and legible particularity.
- Easy to erase from the board where the dust does not fly around but fall down due to heavy particle of calcium carbonate.
- Better in value for it’s writing comfortability, free-allergy to skin contact and longer durability.

         Hi-Plaster chalks and Hi-Heavy Dustless chalks are NON-Toxic and conform to the American standards ASTM D-4236 and the European standards EN71-3.