3M Glass Bubbles S32HS High-Strength Hollow Glass Microspheres for Automotive Composites, Spraying & Casting

Full Name & Product Positioning

Full Product Name: 3M S32HS Medium-High Pressure High-Strength Hollow Glass Microspheres

Core grade of S-HS series, designed for medium-high pressure and medium-shear working conditions. It adapts to automotive composite materials, structural foam and spray casting systems, solving the easy-breakage problem of ordinary microspheres during processing.

Core Technical Parameters

True Density: 0.32 g/cm³
Crush Strength: 6000 psi
Physical Form: Uniform white powder
Standard Packaging: Industrial bulk packaging
Material: High-strength hollow borosilicate glass
Core Characteristics: Medium-high density, high pressure resistance, medium shear resistance, low breakage rate

Core Advantages

1. Greatly improved pressure resistance to withstand processing stress from spraying, casting and mild extrusion;
2. Stable microsphere structure with ultra-low breakage rate during processing for controllable and stable product performance;
3. Suitable for automotive lightweight composites and structural foam, reducing weight while ensuring structural strength;
4. Excellent heat insulation, shock absorption and sound insulation effects to improve comprehensive performance of industrial products;
5. Wide resin compatibility with epoxy, polyurethane and unsaturated resins fully applicable.

Main Application Fields

Core Applications: Automotive lightweight composite materials, industrial structural foam, spray casting products
Compatible Fields: Marine lightweight auxiliary materials, industrial high-strength coatings, medium-pressure molded composites
Prohibited Scenarios: Ultra-high shear injection molding, deep-sea ultra-high pressure working conditions, food-contact products