HotKeywords： Sandpaper series ,
(2) Joint less sand belt, joint sand belt, and open sand belt
Jointless sand tape is made from a specially made cylindrical cloth as the substrate, which is stretched, calendered, and impregnated with the original cloth on a specialized equipment, and then coated, sanded, and dried.
Due to the lack of joints, uniform thickness, and no vibration and impact during operation, the abrasive tape substrate is more suitable for fine-grained polished products. Due to the use of intermittent production, the production efficiency is low, and paper based sand belts cannot be manufactured without joints.
Joint sanding tape is a common type of sanding tape on the market. It is a product formed by cutting, grinding, joint bonding, and slitting the raw material sandcloth roll made according to the special requirements of sanding tape.
The length of the joint sand belt is not limited and can be made into special specifications. It is very convenient to make and use, especially in recent years, the development of joint methods, joint adhesives, and joint process equipment has made the quality of the joint, whether it is thickness, strength, flexibility characteristics, or overall consistency with non joint parts, have reached a relatively high level, becoming the mainstream and common product of the sand belt.
Open sand belt is another major category of sand belt, which is a rolled product formed by directly dividing the sand belt raw material into strips, and its length and width can be selected according to needs.
Open sand belts are easy to make and convenient to use, and are often used in precision machining with fine grain size.
