Calcium Carbonate (CaCO3)
Calcium Carbonate (Chemical) is a mineral filler used in non-woven fabric production, often incorporated via filler masterbatches. It reduces material costs while enhancing material properties like dimensional stability and weather resistance, fitting into the preparation and finishing stages of specialized textiles.
Applications:
1. Used as a filler in melt spinning of PET fibers to improve heat resistance.
2. Incorporated in non-woven production to reduce material costs and improve mechanical properties (e.g., in geotextiles, crop covers).
3. Added to PVC coatings for fabrics to reduce adhesive viscosity and enhance adhesion.
4. Used as a powder/filler in the general manufacturing of textiles and fabrics.
Key Features:
* Improves mechanical properties and dimensional stability in non-woven and construction fabrics.
* Acts as a filler to reduce melt viscosity, facilitating smoother spinning and extrusion processes.
* Enhances thermal stability, raising the fusion point of PVC foamed layers for coated textiles.
* Functions as an additive in dyeing to deepen shades or bring out rich yellows in natural dyes like madder and weld.
* Optimizes processing characteristics, including reducing material costs and energy consumption due to lower processing temperatures.