ASCOM 90 limestone powder is the highest whiteness and high purity with low iron, silica and magnesium levels. Limestone is derived from enormous reserves.

Chemical Family: Calcium Salts, Carbonates

Features: Excellent Whiteness, Low Iron Content

Synonyms: Calcitic limestone, Natural calcium carbonate

Technical Data Sheet

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Enhanced TDS

Identification & Functionality

Features & Benefits

Labeling Claims
CASE Ingredients Features

Applications & Uses

Properties

Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Whitenessmin. 99%
Brightness Rymin. 97.0%DIN 53163
Density2.7g/ml
Refractive Index1.59
Mohs Hardness3
pHmax. 9ISO 787/9
Oil absorption24.0 - 25.0g/100gISO 787/5
Moisturemax. 0.2%
Loose Bulk Density0.35 - 0.45g/cm³
DOP absorption37.0 - 38.0g/100g
Chemical Analysis
ValueUnitsTest Method / Conditions
Calcium Carbonate99.18%
Calcium Oxide55.91%
Silicon Dioxide0.09%
Aluminum Oxide0.04%
Iron Oxide0.01%
Magnesium Oxide0.05%
HCl Insoluble Contentmax. 0.2%
Loss on Ignition43.64%
Specifications
ValueUnitsTest Method / Conditions
Particle Size (Retained on sieve 25μ)max. 0.001%
Particle Size (D50)0.7 - 0.9μm
Particle Size (D97)2.0 - 3.0μm
Particle Size (< 2μm)88 - 92%

Technical Details & Test Data

Particle Size Distribution (Sedigraph)

Cumulitive Finer Mass vs Diameter
 - 1

Packaging & Availability

Packaging Type
Packaging Information

25 kg bag or Jumbo bag