Chalk line device, waterproof chalk composition, and method

Details Chalk line device, waterproof chalk composition, and method Chalk line device, waterproof chalk composition, and method

C - Chemistry, Metallurgy

09

D

C09D 13/00 (2006.01) B44D 3/38 (2006.01)

Patent

CA 2627203

A waterproof chalk composition including silicone oil, powdered chalk, and optional colorants, suitable for applying to a chalk line of a chalk line device, is provided. Methods of making and using the waterproof chalk composition using silicone oil, powdered chalk, and colorants, are provided. The waterproof chalk composition provided herein can be used or packaged immediately after preparation, and does not require a drying step to evaporate solvents. The waterproof chalk composition provided herein does not contain environmentally unfriendly components such as solvents.

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