Flame retardant and smoke suppressant
Releases water when heated and reduces smoke, with no halogen.
ATH
hidróxido de aluminio (ATH) Supplier from China
hidróxido de aluminio (ATH) is a halogen-free mineral flame retardant and smoke suppressant for wire and cable compounds, goma, unsaturated polyester (SMC/BMC), artificial stone, epoxy and coatings. SUNCHEM supplies ATH with a batch COA on every shipment; the TDS is sent on request.
CAS 21645-51-2 · Al(OH)₃ · Alumina trihydrate
- Lote COA con cada envío
- Muestras para tus ensayos
- Soporte técnico para su prueba
Descripción general del producto & beneficios clave
ATH starts to decompose at about 200 °C, absorbing heat and releasing water vapor that cools the polymer and dilutes the flame; the alumina left behind protects the surface and reduces smoke. Because it is used at high loadings, tamaño de partícula, surface treatment and purity strongly affect processing and mechanical properties.
ATH suits polymers processed below about 200 °C, such as EVA and PE cable compounds, goma, UPR and epoxy. For higher processing temperatures, magnesium hydroxide is used instead.
Filler economics
Used at high loadings as both flame retardant and filler.
Specified on your terms
We quote against your Al₂O₃ content, tamaño de partícula, blancura, oil absorption, humedad, soluble Na₂O and surface treatment and send the batch COA for each lot.
Especificaciones técnicas
| Parámetro | Valor típico |
|---|---|
| Nombre del producto | hidróxido de aluminio |
| Sinónimos | ATH; alumina trihydrate; aluminium hydroxide |
| CAS No. | 21645-51-2 |
| EC No. | 244-492-7 |
| Fórmula | Al(OH)₃ |
| Peso molecular | 78.0 |
| Apariencia | polvo blanco |
Al₂O₃ content, tamaño de partícula, blancura, oil absorption, humedad, soluble Na₂O and surface treatment limits depend on the producer grade and are stated on the TDS and batch COA; the limits for your order are confirmed in the quotation and contract.
Aplicaciones por polímero
Where ATH is used, and what to confirm before you switch supply.
Low-smoke halogen-free cables
The main flame retardant in EVA and PE low-smoke halogen-free (LSZH) cable compounds.
Check before trial
- Cable standard
- Particle size and surface treatment
- Monthly volume
SMC/BMC, artificial stone and epoxy
Used in unsaturated polyester SMC/BMC, solid surface and artificial stone, and epoxy potting.
Check before trial
- Whiteness and particle size
- Viscosity in resin
- Bag size
Goma, coatings and carpet backing
Used in rubber products, revestimientos, adhesives and carpet backing.
Check before trial
- Process temperature
- Loading level
- Sample for trials
Selection & comparación
Choosing the right ATH grade
| Su requisito | Lo que normalmente funciona |
|---|---|
| LSZH cable compounds | Fine, surface-treated ATH |
| UPR, artificial stone | Specify whiteness and particle size |
| Processing above about 200 °C | Use magnesium hydroxide instead |
| Replacing an existing supplier | Envíe su TDS o COA actual; we quote against the parameters you approve |
embalaje & almacenamiento
embalaje
Tell us the bag or drum size and pallet requirements you need; we confirm the packaging with the quotation.
Almacenamiento
Keep bags closed in a dry store.
Desde el primer correo electrónico hasta el suministro aprobado
Name the end use
Name the polymer and the fire rating you must meet — UL 94 class and thickness, LOI or cable standard.
Compara los números que importan
Particle size (D50), blancura, oil absorption, humedad, soluble soda and surface treatment.
Mind the processing temperature
Keep compounding below about 200 °C or ATH starts releasing water.
Trial, then lock the spec
Compound a trial batch, run your fire and mechanical tests, and keep the approved lot COA as the reference.
Cuéntanos tu requerimiento. Coincidimos con el grado.
Cuéntanos el polímero, the fire rating you need, the quantity and the destination port. Add your current specification and we will quote against it.
| Información | Ejemplo |
|---|---|
| Solicitud | Cable, UPR/SMC/BMC, artificial stone, goma |
| Especificación requerida | Particle size, blancura, tratamiento superficial |
| embalaje | Bag or drum size; pallets |
| Cantidad | Muestra / trial order / volumen anual |
| Destino | País y puerto |
| Documentos necesarios | COA, Ficha de datos de seguridad (MSDS), SDT, RoHS/REACH |
Related products
hidróxido de aluminio (ATH) Preguntas más frecuentes
What is ATH used for?
As a halogen-free flame retardant and smoke suppressant in cable compounds, UPR and artificial stone, epoxy, goma, coatings and carpet backing.
ATH or magnesium hydroxide?
ATH for processing below about 200 °C; magnesium hydroxide for higher processing temperatures such as PP and polyamides.
Which parameters should I compare between offers?
Particle size, blancura, oil absorption, humedad, soluble soda and surface treatment.
Can I get the TDS?
Sí. Send an inquiry with your application and we email the TDS.
