3M Glass Bubbles S4630 High-Compressive Hollow Glass Microspheres for Artificial Stone, Sealants & Coatings

Full Name & Product Positioning Product Full Name: 3M S4630 Industrial General-Purpose High Compressive Hollow Glass Microspheres An industrial grade in the S series, optimized for artificial stone, sealant, and industrial coating systems. Good stability under high filling conditions, tolerates conventional processing stress, suitable for high-volume industrial production. Core Technical Parameters ·   True Density: 0.46 g/cm³ ·   Compressive Strength: 12,000 psi ·   Physical Form: White industrial-grade powder ·   Standard Packaging: Industrial bulk packaging ·   Material: High-strength hollow borosilicate glass ·   Core Characteristics: High compressive strength, high filling, low shrinkage, strong industrial adaptability Key Advantages ·   Good compressive performance, controllable microsphere breakage rate during high-filling processing, stable mass production conditions. ·   Suitable for high-solids systems in artificial stone and sealants; can maintain product texture even at relatively high filling levels. ·   Reduces shrinkage rate of stone and adhesive materials, reducing cracking, warping, and deformation. ·   Heat resistant, weather resistant, and corrosion resistant, stable performance for long-term industrial use. ·   Good batch consistency, suitable for factory standardized high-volume production. Main Application Areas Core Applications: Artificial stone panels, various industrial sealants, high-end industrial coatings Suitable Areas: Heavy-duty thermal insulation coatings, industrial structural filling materials, weather-resistant profile modification Prohibited Scenarios: Food-contact products, ultra-high-shear precision injection molding, ultra-high-pressure deep-sea conditions