Wholesale White Chalk and Colorful Dust-Free Chalk for Blackboard

Chalk also carries a cultural and emotional inheritance. It has witnessed the hard work of countless teachers and accompanied the growth of generation after generation of students. Every stroke of chalk on the blackboard is like a sowing of knowledge and a watering of wisdom. The writing process of chalk is not only a display of skills, but also a manifestation of emotions and cultural inheritance.

Dust free chalk adds trace amounts of chemical raw materials to the main ingredients, increasing the proportion. The chalk is written on the blackboard, without dust flying phenomenon, and is hygienic and clean, avoiding occupational diseases caused by chalk foam entering the internal organs through breathing. Add a small amount of smoothing agent and adhesive, the chalk should not touch hands and clothes, and the teacher should have no white marks on their fingers after a class, so there is no need to wash hands. Add a small amount of moisture-proof agent, which will not spoil when stored for a long time.