Cabot BLACK PEARLS 4350 Carbon Black - FDA Food-Contact Pigment Black for Plastic Film Packaging

Full Name: BLACK PEARLS 4350 Food Contact High-Purity Pigment Carbon Black Pass FDA & EU food contact material tests, for food packaging and low-odor eco plastic coloring. Core Technical Specs N₂ Specific Surface Area: 116 m²/g DBP Oil Absorption (OAN): 70 cc/100g Primary Particle Size: 28 nm ASTM Tinting Strength: 121 % Volatile Content: ≤1.0 % Total PAHs: ≤0.5 ppm Benzo[a]pyrene: ≤5 ppb Ash Content: ≤0.3 % Physical Form: Ultra-fine granular powder Standard Package: 12.5kg / bag CAS No.: 1333-86-4 Certifications: FDA 21CFR178.3297, EU Regulation 10/2011 Core Advantages Strict limits on PAHs & Benzo[a]pyrene, compliant with global food contact regulations; Even particle size, free of specks after extrusion & sand mill dispersion; Mild oil absorption keeps masterbatch viscosity stable without hurting plastic fluidity; Good thermal stability, no discoloration or precipitation under high injection/blow molding temperature; Consistent blue black tone with small batch color difference, uniform product appearance. Main Applications Core Fields: Food blow film packaging, thermoformed food tray, food-contact plastic fittings Compatible Fields: Low-odor modified plastic, low-VOC odorless decorative paint Usage Notes Only used for outer substrate of food-contact articles, forbidden to add into raw food; Resins & additives of the whole formula must also meet food compliance standards to pass finished product inspection; Seal & store dry; dampness causes caking and weakens dispersion & tint uniformity; Dust-free & anti-static workshop equipment required during production to reduce powder agglomeration defects; Do not store together with strong oxidants to avoid purity contamination.