MoldX® P18 is for pultrusion, resin infusion, CIPP and vacuum bag molding applications. It's particle size distribution with top size particles of less than 18 microns gives superb processing performance at fiberglass contents greater than 50% by weight.

Functions: Flame Retardant

Chemical Family: Aluminum Compounds

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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Composite Materials Functions
CAS No.
21645-51-2
EC No.
244-492-7

Features & Benefits

Labeling Claims

Applications & Uses

Composites Processing Methods

Properties

Chemical Properties
ValueUnitsTest Method / Conditions
Al(OH)₃99.6%
Fe₂O₃0.007%
Loss on Ignition at 1000°C34.6%-
Na₂O (Soluble)0.04%
Na₂O (Total)0.3%
SiO₂0.005%
Typical Properties
ValueUnitsTest Method / Conditions
Bulk Density (Loose)0.45g/cm³
Bulk Density (Packed)0.8g/cm³
Free Moisture at 105°C0.25%-
Specific Gravity2.42--
Surface Area3.0m²/gm-
TAPPI Brightness95.0--
Particle Size Distribution
ValueUnitsTest Method / Conditions
Median Particle Diameter5.0μm-
Screen Analysis on 325 mesh0.01%-
Screen Analysis through 325 mesh99.99%-

Technical Details & Test Data

Performance

Why is Huber’s MoldX® P18 Optimized ATH an Outstanding Choice for Pultrusion?

Versatility

The product can be used in all types of pultrusion applications and has the following advantages:

  • Lower pull force at 50-75 weight % of fiberglass.
  • 25 to 200 phr ATH loading depending on weight % of fiberglass and resin type.
  • Either unsaturated polyester or acrylic resins or blends.
  • Even at high loadings, compounds have very low pull force.
  • Higher loadings with the same or faster line speeds and lower total compound cost.
  • Maintains mechanical properties.

 

Consistency in Manufacturing

  • Greatly reduced possibility of die lock-up.
  • Reduced sedimentation resulting in less down time for resin bath clean-out.

 

ATH Settling Behavior in Modar® Fire-Retardant Resin 875 at 25°C

Settling resistance is desirable for pultrusion to allow longer operating times between clean outs.

MoldX® P18 - Performance