Nanoclay Flame Retardant Additive (Organoclay)
Featured inFlame Retardants
Nanoclay flame retardant additive is an organically modified montmorillonite (OMMT) designed for incorporation into polymer nanocomposites to reduce flammability and improve barrier properties. At low loadings (2–5%), exfoliated nanoclay platelets form a tortuous path network within the polymer matrix, significantly reducing mass loss rate, peak heat release rate (PHRR), and smoke generation during combustion. It acts synergistically with conventional FR systems to enable halogen reduction.
Technical Specifications
| appearance | Off-white to light beige fine powder |
| moisture (%) | ≤3 |
| d-spacing (d001, nm) | 2.5–3.5 |
| phosphorus content (%) | 0 |
| particle size (D50, µm) | 8–15 |
| organic modifier content (%) | 25–35 |
Applications
- Polyamide and polyester nanocomposites for automotive and electronics
- Polyolefin (PP, PE) flame retardant compounds with reduced FR loading
- Epoxy resin nanocomposites for aerospace structural components
- Polyurethane rigid foam with improved fire performance and thermal insulation
- Cable insulation halogen-free compounds as FR synergist
Key Features
- Exfoliated nanoplatelet structure creates tortuous diffusion barrier, reducing flammable gas and oxygen transport
- Significant PHRR reduction (30–60%) at very low loadings (2–5 wt%) minimizing impact on mechanical properties
- Synergistic with APP, ATH, and halogen-free FR systems enabling formulation cost reduction
- Simultaneously improves mechanical stiffness, gas barrier, and dimensional stability
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