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