As an ancient writing tool, chalk has become an indispensable presence in education, conferences, and public speeches due to its unique material, writing style, and cultural heritage. It witnesses the transmission of knowledge and the collision of wisdom, and also carries the emotions and culture of generation after generation. In the future, no matter how technology develops, chalk will continue to play its unique charm and value, contributing its own strength to the progress of human civilization.

In addition to the field of education, chalk also plays an important role in conferences, speeches, and other occasions. In the conference room, chalk became a tool for attendees to record key points and discuss issues; On the podium, chalk helps the speaker draw charts and outline ideas, making the speech more vivid and powerful. The simplicity, clarity, and intuitiveness of chalk make it an effective way of communication in these situations.

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.

Chalk is a widely used stationery in daily life, usually used for writing on a blackboard. In ancient times, chalk was usually made from natural chalk, but nowadays it is often replaced with other substances. The main component of chalk is calcium sulfate, a white precipitate that is not easily decomposed and has larger particles than dust.