Aluminum Hydroxide as Fire Retardant Filler for Polymer Applications. Halogen-Free Flame Retardant: Eliminates smoke and flame without producing toxic gas or dripping. High Purity Composition: Al2O3 content reaches 99.3% minimum with low impurities. Effective Smoke Suppression: Works effectively in polyesters, acrylics, PVC, and rubber applications. Versatile Polymer Application: Suitable for rubber, plastics, paints, adhesives, and building materials. Free Sample Availability: 1kg free sample available with freight charges refundable on order. Fast Delivery Time: Shipment typically within 15 days after payment confirmation. Factory Direct Supply: Direct manufacturer with professional equipment and quality control.