ASCOM 17A is a high-purity limestone filler with the highest whiteness and low levels of iron, silica, and magnesium. It is widely used in industries such as waterproofing, wall putties, glaze and latex compounds, paints, and adhesives, benefiting from enormous limestone reserves.

Chemical Family: Calcium Salts, Carbonates

Applicable Processes: Waterproofing

Oil Absorption: 14.0 - 15.0 g/100 g

Features: Excellent Whiteness

Synonyms: Calcitic limestone, Natural calcium carbonate

Technical Data Sheet

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Enhanced TDS

Identification & Functionality

Features & Benefits

Labeling Claims
CASE Ingredients Features
Industrial Additives Features

Applications & Uses

Markets
Applications
Applicable Processes
Adhesive & Sealant End Applications
Coating End Applications
Industrial Additives End Use

Properties

Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Whitenessmin. 96.0%-
Brightness Rymin. 94.5%DIN 53163
Density2.7g/ml-
Refractive Index1.59--
Mohs Hardness3--
pHmax. 9-ISO 787/9
Oil Absorption14 - 15g/100gISO 787/5
Moisture Contentmax. 0.2%-
Loose Bulk Density0.88 - 0.98g/cm³-
DOP Absorption27 - 28g/100g-
Typical Properties
ValueUnitsTest Method / Conditions
Particle Size (retained on sieve 63μm)max. 0.1%-
Particle Size (D97)28 - 32μm-
Particle Size (D50)7.5 - 8.5μm-
Particle Size (max. 2μm)15 - 19%-
Chemical Analysis
ValueUnitsTest Method / Conditions
Calcium Carbonate99.18%-
Calcium Oxide55.91%-
Silicon Dioxide0.09%-
Aluminium Oxide0.04%-
Iron Oxide0.01%-
Magnesium Oxide0.05%-
HCI Insoluble Contentmax. 0.2%-
Loss on Ignition43.64%-

Technical Details & Test Data

Particle Size Distribution

ASCOM 17A - Particle Size Distribution - 1

Packaging & Availability

Packaging Type
Packaging Information

25 kg bag or Jumbo bag