High-Strength Wollastonite Fiber for Biodegradable Plastic & Compostable Packaging

High-strength wollastonite fiber is a natural calcium silicate mineral additive engineered specifically for biodegradable plastic and compostable packaging applications. Processed via advanced beneficiation, needle-shape preservation, and ultra-fine grinding technology, this eco-friendly fiber features a unique acicular structure (aspect ratio 10:1–20:1), high tensile strength, and excellent compatibility with bio-based polymers (PLA, PHA, starch-based materials).

Designed to address the inherent brittleness of biodegradable plastics, it enhances mechanical performance—boosting tensile strength by 30–50% and impact resistance by 25–40%—while maintaining the material’s compostable and biodegradable properties. Its uniform dispersion in plastic matrices improves dimensional stability, reduces shrinkage, and enhances heat resistance (up to 800℃), extending the service life of compostable packaging (food containers, shopping bags, mulch films) under daily use conditions.

As a sustainable alternative to synthetic reinforcing fibers, it is non-toxic, odorless, and compliant with global eco-packaging standards (ASTM D6400, EN 13432). Compatible with extrusion, injection molding, and blow molding processes, it reduces material costs by replacing a portion of expensive bio-polymers without compromising performance. Ideal for manufacturers aiming to develop high-strength, eco-friendly packaging solutions that meet consumer demand for sustainability and regulatory requirements for plastic waste reduction.