Why Choose High Whiteness Aluminum Hydroxide Filler for Artificial Marble?
Aluminum hydroxide filler for artificial marble—also called ATH filler—is the industry’s go-to for brilliant whiteness, fine surface, and stable processing.
Our ATH delivers consistent D50, narrow PSD, and low impurities. That means easy dispersion, lower resin demand, and fewer surface defects.
Formulators use it to achieve uniform color, excellent polishability, and better fire behavior in solid-surface and cultured-marble products.
Key Features & Benefits
- High Whiteness (≥96 ISO) for bright slabs and consistent color matching.
- Low Oil Absorption (≤25 g/100g) to reduce resin usage and control viscosity.
- Controlled Particle Size (D50 8–15 µm) for smooth finish and fewer pinholes.
- Low Impurities (SiO2, Fe2O3) to minimize yellowing and specks.
- Optional Surface Treatment (silane/stearate) for better wetting and flow.
- Fire & Smoke Performance—ATH releases water at heat, aiding flame retardancy.
Typical Technical Specifications
Values below are typical; custom grades on request.
|
Brands |
Chemical composition |
DOP |
White-ness |
Particle Size |
Moisture |
|||||
|
Al(OH)3 |
SiO2 |
Fe2O3 |
Na2O |
Na2O(S) |
D50 |
+60 mesh |
||||
|
% |
% |
% |
% |
% |
ml/100g |
% |
μm |
% |
% |
|
|
H-WF-50SP |
≥99.6 |
≤0.03 |
≤0.02 |
≤0.2 |
≤0.02 |
≤30 |
≥93 |
50±10 |
≤0 |
≤0.2 |
|
H-WF-75 |
≥99.6 |
≤0.05 |
≤0.02 |
≤0.25 |
≤0.03 |
≤40 |
≥93 |
75±15 |
≤0 |
≤0.1 |
|
H-WF-90SP |
≥99.6 |
≤0.03 |
≤0.02 |
≤0.2 |
≤0.02 |
≤30 |
≥91 |
95±20 |
≤0.1 |
|
|
H-WF-14 |
≥99.6 |
≤0.05 |
≤0.02 |
≤0.3 |
≤0.03 |
≤32 |
≥95 |
15±3 |
≤12 |
≤0.3 |
|
H-WF-25MSP |
≥99.6 |
≤0.03 |
≤0.02 |
≤0.2 |
≤0.03 |
≤21 |
≥95 |
≤0.2 |
||
Recommended Grades
- BLC-ATH-AM-10 (D50 ~10 µm): general artificial marble & solid surface.
- BLC-ATH-AM-8T (D50 ~8 µm, surface-treated): low viscosity, premium finish.
- Custom Blends: dual-gradation for flow and packing density.
Applications of High Whiteness Aluminum Hydroxide (ATH) Filler for Artificial Marble
- Artificial marble & cultured marble slabs.
- Solid surface countertops (acrylic/UPR).
- Vanity tops, shower trays, decorative panels.
- Gel coats, cast resin parts needing bright white.
Formulation Tips
Start with 30–60% High Whiteness Aluminum Hydroxide (ATH) Filler for Artificial Marble by weight in the total formulation.
Adjust loading to target viscosity, flow, and mechanicals.
- Use surface-treated grades or silane coupling for lower viscosity.
- Employ dual-grade PSD to boost packing and surface quality.
- Vacuum de-air to minimize pinholes; mix gently to avoid shear-heating.
High Whiteness Aluminum Hydroxide (ATH) Filler for Artificial Marble vs. Calcium Carbonate in Artificial Marble
Calcium carbonate is economical. It increases stiffness and bulk.
ATH provides higher whiteness, better polishability, and contributes to flame retardancy and smoke suppression.
Many producers choose ATH-only systems for premium white and consistent color. Others use graded blends to balance cost, flow, and performance.
Quality, Packaging & Logistics
- Quality Docs: COA & MSDS provided upon request.
- Packaging: 25 kg PE-lined bags; 1,000 kg jumbo bags.
- HS Code: 28183000 (Aluminum Hydroxide).
- Lead Time: Regular grades ship fast; custom PSD on request.
Related Products & Resources
FAQ
What keywords do buyers often search?
Two common search intents are “aluminum hydroxide filler for artificial marble” and “ATH filler for solid surface”. This page targets both.
Can you match my current ATH grade?
Yes. Share your D50/PSD, oil absorption, and whiteness targets. We will match or propose an equivalent.
Do you offer treated grades?
We provide silane and stearate modifications to improve dispersion and reduce viscosity.
How to minimize pinholes and swirl marks?
Use narrow PSD, de-air under vacuum, and avoid moisture pickup. Keep mixing temperature controlled.
Get Pricing & Free Sample
Tell us your target D50/PSD, whiteness, and oil absorption. We’ll recommend the best grade for your line.
Email: [email protected] · WhatsApp/WeChat available on request.
