The addition of filler materials to resin or binders (plastics, composites, or concrete) can improve certain qualities, lower the cost of the final product, or a combination of the two. Elastomers and plastics are the two industries where filler materials are used the most.
The best filler substances are talc, kaolin, precipitated calcium carbonate, carbon black, and powdered calcium carbonate. Tensile strength, toughness, heat resistance, color, clarity, etc. can all be impacted by filler ingredients. Mineral or glass-based filler materials make up the majority of the filler components used in plastics. The two most important subgroups of filler materials are particles and fibers.
The weldability of the plastic can be significantly impacted by filler material additions. Additionally, the kind of welding method employed affects this. Fillers like calcium carbonate and kaolin can improve the resin's capacity to transmit ultrasonic waves for ultrasonic welding. With more fillers in the matrix compared to the bulk material, the strength of the plastic after welding would drop. The welding tool may be impacted by the use of abrasive fillers. The welding equipment will deteriorate faster with abrasive fillers. Comparing weld strength to resin strength is the most effective approach to determine whether a filler material is weldable.
Filler is frequently employed in the manufacture of plastic goods. A filler is used to alter the original plastic's qualities. Manufacturers can reduce production expenses and raw material costs by employing plastic fillers. There is no denying the value of filler masterbatch in enhancing the physical characteristics of plastics, particularly in lowering costs and increasing production effectiveness.