01Overview
Expanded Perlite
Expanded Perlite is a lightweight, porous inorganic mineral filler with outstanding thermal insulation, fire resistance, and heat retention properties. It is ideal for non-expanding fireproof coatings, thermal insulation coatings, and thick-film fireproof textured coatings, effectively reducing coating density and minimizing cracking during thick application. The standard dosage ranges from 15% to 30% for thick-fireproof coatings, 8% to 20% for insulation coatings, and 5% to 15% for fireproof textured paints. Hydrophobic modified grades should be used, and high-speed shearing or sanding must be avoided to preserve its performance.
Model：Expanded Perlite Category：Fireproof & Thermal Insulation Materials
02Introduction
Expanded Perlite
Expanded Perlite is a lightweight, porous inorganic mineral filler with outstanding thermal insulation, fire resistance, and heat retention properties. It is ideal for non-expanding fireproof coatings, thermal insulation coatings, and thick-film fireproof textured coatings, effectively reducing coating density and minimizing cracking during thick application. The standard dosage ranges from 15% to 30% for thick-fireproof coatings, 8% to 20% for insulation coatings, and 5% to 15% for fireproof textured paints. Hydrophobic modified grades should be used, and high-speed shearing or sanding must be avoided to preserve its performance.
03Features
Introduction
Its lightweight porous structure delivers excellent thermal insulation and fire resistance while reducing coating density.
High-temperature resistant and chemically stable, ensuring reliable performance of fireproof coatings over time.
Controlling the addition amount precisely avoids thick-film cracking and improves coating construction quality.
Choosing hydrophobic modified grades prevents performance loss during processing and maximizes its insulation benefits.
04Specifications
Technical Specs
| CAS Number | 93763‑70‑3 |
| Molecular Formula | SiO₂、Al₂O₃（复合硅酸盐矿物） |
05Applications
Applications
Coatings, water-based paints, stone paints, putty, mortar, fireproof coatings & building material systems
06Related
Related Products
07More Categories