3M Glass Bubbles iM16K Injection-Grade Hollow Glass Microspheres for Injection Molding & Twin-Screw Extrusion

Full Name & Product Positioning Product Full Name: 3M iM16K Injection-Grade High-Shear Resistant Hollow Glass Microspheres A commonly used grade in the iM series, developed for high-shear conditions such as injection molding and twin-screw extrusion. Under high-shear conditions, microsphere breakage is relatively low. Used as a lightweight filling raw material for plastic modification. Core Technical Parameters True Density 0.46 g/cm³   Compressive Strength 16,000 psi Physical Form White uniform powder   Standard Packaging Industrial bulk packaging Material High-shear impact resistant hollow borosilicate glass Core Characteristics   High-shear resistant, high compressive strength, injection molding suitable, stable mass production   Key Advantages ·   Optimized for injection and extrusion formulations; low microsphere breakage rate under twin-screw high-shear processing, with stable performance. ·   Balances density and compressive strength, achieving weight reduction in plastic modification while considering product mechanical properties. ·   Reduces plastic molding shrinkage rate, improves product flatness, and reduces defective products. ·   Suitable for most general-purpose and engineering plastic modification systems, with broad compatibility. ·   Suitable for automated extrusion and injection molding production lines, with good mass production efficiency. Main Application Areas Core Applications: Automotive modified plastics, various engineering plastic injection molding, twin-screw extrusion modification Suitable Areas: Lightweight plastic profiles, home appliance plastic parts, industrial modified pellets Prohibited Scenarios: Low-shear coatings and putties, food-contact products, ultra-high-pressure deep-sea conditions