An inert substance that is added to plastics to improve the quality, such as dimensional accuracy, dimensional stability, strength, and durability.
- The purpose for using filler is:
- To reduce the cost of molding material — calcium carbonate, calcium silicate, and etc.
- To improve the characters of plastics — glass fiber, carbon fiber, and etc.
- To improve the strength or durability of the plastics — glass fiber, carbon fiber, and etc
