ThermaFlex HR4(S)

1 of 6 products in this brand
ThermaFlex HR4(S) maintains superior delamination while providing an excellent balance of properties. Because their high purity, these micas maintain low abrasivity with elasticity and minimum attrition when exposed to the extreme mixing conditions of compounding and extrusion.

Functions: Filler

Chemical Family: Calcium Salts, Mica

Particle Size: 35.0 - 35.0 microns

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Chemical Name
CASE Ingredients Functions
CAS No.
12001-26-2
EC No.
601-648-2
Technologies

Applications & Uses

Applications

Phlogopite Mica is specifically designed for plastic & electrical applications, where stiffness, HDT, warpage & shrinkage are a concern. They are also useful additives in sound and vibration damping materials, fiber cement composites, & various industrial coatings.

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Aluminum Oxide Content10WT. %
Aspect Ratio40-50
Bulk Density0.23g/cc
Bulk Density14.55lbs./ft³
Iron Oxide Content9WT. %
Loss of Ignition (at 1,000 ˚C)max. 3%
Magnesium Oxide Content24WT. %
Median Particle Size (d50)35Microns
Melting Point1400˚C
Mohs Hardness2.5-3.0
Moisture Content (at 100˚C)max. 0.4%
Passin (20 Mesh)100%
Passing (170 Mesh)99%
Passing (325 Mesh)93%
Passing (35 Mesh)100%
Passing (70 Mesh)99.9%
pH8.75
Potassium Oxide Content10WT. %
Silicon Dioxide Content42WT. %
True Density2.9g/cc