Since 1970
Since 1970
Premium industrial-grade Hexamine (Hexamethylenetetramine / Urotropine), available in high-purity un-stabilized and stabilized free-flowing crystalline powder forms. Engineered as a highly effective curing agent, cross-linker catalyst, and structural modifier for phenolic resins, plastics, and industrial adhesives.
Chemical Formula: C₆H₁₂N₄
Purity (Assay): ≥ 99.0%
Primary Function: Curing catalyst, formaldehyde donor, and resin cross-linking agent
Key Properties: Symmetrical crystalline geometry, high alkaline buffering, controlled formaldehyde release, and low ash residue
Standard Packaging: 25kg multi-wall PE-lined bags / 500kg or 1,000kg bulk super sacks
Hexamine (Hexamethylenetetramine) is a heterocyclic organic compound synthesized through the controlled reaction of formaldehyde and ammonia. Exhibiting a highly symmetrical, cage-like crystalline structure, Hexamine behaves as an odorless solid source of formaldehyde. It is highly valued as a hardener and cross-linking accelerator across the synthetic resin and plastics industries, initiating clean, controlled heat-curing cycles that impart exceptional mechanical stability and thermal resistance to industrial polymers.
Phenolic Resins (Novolacs): The largest commercial use of Hexamine. It is added as the primary solid curing agent (hardener) to Novolac phenolic molding powders. Upon application of heat (typically above 110°C–130°C), Hexamine decomposes to provide methylene cross-links, turning the brittle thermoplastic resin into a highly durable, heat-resistant thermoset plastic matrix.
Abrasives & Friction Materials: Essential for bonding phenol-formaldehyde resins used in manufacturing industrial grinding wheels, heavy-duty brake linings, and automotive clutch plates.
Refractory Materials: Applied as a cross-linker in phenolic binders for shaping refractory bricks, casting sands, and crucibles used in high-temperature steel metallurgy.
Rubber Compounding: Functions as a secondary vulcanization accelerator and a crucial component in rubber-to-cord adhesion promoter systems for heavy vehicle tires.
Chemical Synthesis: Acts as a chemical intermediate for formulating specialized explosives (like RDX), pharmaceutical compounds, and industrial nitration matrices.
Controlled Decomposition Profile: Delivers sharp, predictable formaldehyde release only when specific thermal thresholds are met, preventing premature setting or skinning during room-temperature compound mixing.
Anti-Caking Product Forms: Offered in multi-grade particle distributions with optional anti-caking additives (silica or magnesium carbonate) to ensure smooth, free-flowing hopper feeding and dust reduction.
Exceptional Batch Purity: Minimal free moisture and ultra-low salt impurities prevent unexpected reaction pathways, preserving the mechanical properties and electrical insulation performance of cured molded parts.
| Property / Parameter | Crystalline / Free-Flowing Grade |
| Appearance | White crystalline powder |
| Hexamine Content (Assay, %) | ≥ 99.0 |
| Moisture Content (%) | ≤ 0.20 |
| Ash Content (%) | ≤ 0.05 |
| Free Ammonia (%) | ≤ 0.01 |
| Ammonium Salts (as NH₄Cl, %) | ≤ 0.02 |
| Anti-Caking Agent (If added, %) | 0.50% – 1.0% (Grade dependent) |
Hexamine is a flammable crystalline solid and should be stored in original, tightly sealed packaging within a cool, dry, and well-ventilated fire-safe warehouse area. Keep strictly isolated from open flames, heat sources, strong acids, peroxides, and oxidizing materials. Because it releases hazardous formaldehyde and ammonia vapors upon contact with strong acids or high heat, ensure proper local exhaust ventilation is running during charging lines. Open bags should be quickly re-tied to prevent absorption of ambient moisture. Material Safety Data Sheets (MSDS) and batch Certificate of Analysis (COA) accompany every shipment.