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ASCOM 25

ASCOM 25 limestone powder is the highest whiteness and high purity with low iron, silica and magnesium levels. Limestone is derived from enormous reserves.

Brand: ASCOM (8 products)

Functions: Filler

Chemical Family: Calcium Salts, Carbonates

End Uses: Latex, Powder Coating, Primer, Top Coat, Undercoat, Waterborne Coating

Particle Size: 4.5 - 5.0 microns

Enhanced TDS

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

CASE Ingredients Functions
CAS No.
471-34-1
EC No.
207-439-9
Technologies

Features & Benefits

Labeling Claims

Applications & Uses

Applications

Filler in the following industries:

  • Water-based decorative paints.
  • Powder coating (semi gloss finish).
  • Protective coatings.
  • Adhesives and sealants.

Properties

Physical Properties
ValueUnitsTest Method / Conditions
Whiteness (Brightness Ry)98.0%DIN 53163
Density2.7g/ml-
Refractive index1.59--
Mohs Hardness3.0--
pHmax. 9-IS0 787/9
Oil absorption18±0.51/100gISO 787/5
Moisturemax. 0.2%-
Bulk Density1.0±0.05ggm/cm3-
Particle Size Distribution
ValueUnitsTest Method / Conditions
Retained on sieve (45 µ)max. 0.05%-
Particle Size4.75±0.25µmD50
Particle Size20±1µmD97
Chemical Analysis
ValueUnitsTest Method / Conditions
Calcium Carbonate Content99.18%-
Calcium Oxide Content55.91%-
Silicon Dioxide Content0.09%-
Aluminium Oxide Content0.04%-
Iron Oxide Content0.01%-
Magnesium Oxide Content0.05%-
HCI Insoluble contentmax. 0.2%-
Loss of Ignition43.64%

Technical Details & Test Data

Particle Size

ASCOM 25 - Particle Size

Packaging & Availability

Packaging Type
Standard Packaging

25 kg bag or Jumbo bag