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