PYRAX® B Pyrophyllite
- CASE Ingredients Features
- Abrasion ResistanceCorrosion ResistanceCrack ResistanceExcellent WhitenessFrost ResistanceGood Chemical StabilityHigh Tensile StrengthHigher Filler ContentImproved SlipProvides Good Texture
- Chemical Family
- Pyrophillites, SilicatesPyrophillitesSilicates
PYRAX® B Pyrophyllite is a unique natural mixture of platy silicates, principally pyrophyllite, and quartz. As a replacement for mica, PYRAX B is an excellent filler in joint compounds and dry wall muds. PYRAX B imparts mud crack resistance to high build coatings such as texture paints and block fillers. PYRAX B is a good inert filler for use in contractor flat paints, where it contributes to improved low angle sheen control and scrub resistance. When used in exterior paints, the neutral pH of pyrophyllite yields reduced frosting.
Properties
- Physical Form
- Powder, Solid
- Powder
- Solid
Identification
Other characteristics
- Brand
- PYRAX
- Features
Abrasion Resistance, Corrosion Resistance, Crack Resistance, Excellent Whiteness, Frost Resistance, Good Chemical Stability, High Tensile Strength, Higher Filler Content, Improved Slip, Provides Good Texture
- Functions
- Extender, Filler
- Usage
Inert filler and extender for NR and synthetic rubbers and latexes for reducing volume costs and where low moisture pick-up is required.; The platy particle shape imparts "mud-cracking" resistance in coatings.; Also used in crack fillers and joint cements.
- Markets
- Building & Construction
- Paints & Coatings
- Technology
- CASE Ingredients
- Industrial Additives & Materials
- HIGHLIGHTS
PYRAX B are hydrated aluminum silicate minerals produced from North Carolina deposits of the mineral pyrophyllite. PYRAX B is good inert filler for use in contractor flat paints, where it contributes to improved low angle sheen control and scrub resistance. When used in exterior paints, the neutral pH of pyrophyllite yields reduced frosting. As a replacement for mica, PYRAX B is an excellent filler in joint compounds and dry wall muds. The micaceous particle shape of PYRAX B impart mud crack resistance to high build coatings such as texture paints and block fillers.
- Chemical Inventories
- AICS (Australia)
- DSL (Canada)
- ECL (Korea)
- EEC/EU
- EHS (Malaysia)
- ENCS (Japan)
- IECSC (China)
- INSQ (Mexico)
- Industrial Additives End Use
- Cement
Technical data
Table 1 of 2
8 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Fineness (Retained on 200 mesh) | max. 1 | % | T-957 |
| Brightness | min. 78 | — | T-900 |
| Density (At 25°C) | 2.8 | Mg/m³ | — |
| Loss on lgnition | 3.1 | % | — |
| Pounds per Gallon | 23.3 | — | — |
| Hegman Fineness | 0 - 1 | — | ASTM D 1210 |
| Oil Absorption | 32.0 | — | ASTM D 281 |
| pH Value | 6.8 | — | — |
Table 2 of 2
9 rows| Characteristic | Value | Unit |
|---|---|---|
| Aluminum Oxide | 18.0 | % |
| Silicon Dioxide | 77.0 | % |
| Iron Oxide | 0.5 | % |
| Titanium Dioxide | 0.2 | % |
| Calcium Oxide | max. 0.1 | % |
| Magnesium Oxide | max. 0.1 | % |
| Sodium Oxide | 0.2 | % |
| Potassium Oxide | 1.0 | % |
| Ignition Loss (1000°C) | 3.0 | % |
