Wholesale White Chalk and Colorful Dust-Free Chalk for Kids

In the field of education, chalk plays a crucial role. It is not only a tool for teachers to impart knowledge, but also a medium to stimulate students' thinking and inspire inspiration. In class, the teacher uses chalk to write knowledge points and draw charts on the blackboard, presenting complex concepts to students in an intuitive way. And students deepen their understanding and memory of knowledge by observing and recording chalk handwriting. The writing process of chalk is not only a transfer of knowledge, but also a collision of thinking and exchange of wisdom.

Chalk has become a powerful assistant in the field of education due to its unique material and texture. It is made of limestone and after fine processing, it presents a smooth and hard surface. This material allows chalk to maintain stable friction and clarity during writing, with smooth and less blurry handwriting. At the same time, the writing effect of chalk also has a certain degree of durability, and can remain relatively clear even in damp or friction environments.

Non toxic chalk is made by solidifying and drying pure gypsum with water, using edible gypsum. Most teaching abroad has been using this type of chalk since elementary school. Non toxic chalk belongs to advanced chalk, and it is non-toxic in the dust pollution of classroom chalk. The dust generated by it can be directly excreted by the human body through excretion without remaining in the body. Even the water in production causes zero pollution to the river.

Regular chalk is prone to moisture absorption, decreased hardness, and easy breakage when stored for a long time. The blackboards used in schools include cement boards, wooden boards, and ground glass boards. Due to different levels of smoothness on the surface of the blackboards, the softness and hardness of the chalk are also required. The new generation of dust-free chalk can change its softness and hardness at will, and will not slip or break easily when used on various blackboards. It also writes fluently, effortlessly, and has a good hand feel. Dust free chalk is a high-tech product that has been successfully developed in addition to cosmetic materials used in production. Environmentally friendly, non-toxic, dust-free, it is an ideal teaching and office supplies for modern teaching.

Dust free chalk is an improved product of ordinary chalk, aimed at eliminating classroom chalk dust pollution. It only adds oil or polyol substances as binders to ordinary chalk, and then adds fillers with higher density, such as clay, mudstone, cement, etc. This can increase the density and volume of chalk dust, making it difficult to fly away. However, in practical applications, its effect on reducing chalk dust pollution is not very obvious.