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IMSIL® 1240

Chemical Family
Silica

IMSIL® 1240 is a microcrystalline silica filler that is produced from an inert, naturally occurring alpha quartz with a unique grape-like morphology. Easily wetted and dispersed in either solvent or water-based systems, IMSIL® is selected for its excellent tint retention, durability over prolonged exposure, and resistance to dirt and weathering.

Properties

Physical Form
Solid

Identification

CASE Ingredients Functions
Filler

Product families

CASE Ingredients — Additives
  • Fillers & Extenders

Other characteristics

Brand
IMSIL
End Uses
Primer, Solventborne Coating, Waterborne Coating
Functions
Filler
Particle Size
9.2 microns
Oil Absorption
28.0 g/100 g
Markets
  • Adhesives & Sealants
  • Automotive & Transportation
  • Building & Construction
  • Electrical & Electronics
  • Paints & Coatings
Technology
CASE Ingredients
Packaging Type
  • Bags
  • Super Sacks
Chemical Inventories
  • AIIC (Australia)
  • CSNN (Taiwan)
  • DSL (Canada)
  • ECL (Korea)
  • HSNO (New Zealand)
  • IECSC (China)
  • MITI Listed (Japan)
  • PICCS (Phillipines)
Country Availability
  • Canada
  • USA
Packaging Information
Bulk, IBC and 50 lb Paper Bag
Coating End Applications
  • Primer
  • Solventborne Coating
  • Waterborne Coating

Technical data

Table 1 of 3

11 rows
CharacteristicValueUnitMethod
Median Particle Size9.2μm—
Surface Area4.8m²/g—
Brightness84.5—TAPPI
Oil Absorption28.0g/100g—
Moisture Content0.17%—
Density22.07lbs/gallonASTM D-153
Bulking Value0.0453—ASTM C-29
Specific Gravity2.65g/cm³ASTM C-128
pH6.6—AFS 113-87-S
Refractive Index1.54 - 1.55—ASTM D-801
Hardness6.5Mohs—

Table 2 of 3

2 rows
CharacteristicValueUnit
Particle Size (Retained on 75 microns)100.0%
Particle Size (Retained on 45 microns)98.7%

Table 3 of 3

9 rows
CharacteristicValueUnit
Silicon Dioxide98.89Mean % by weight
Iron Oxide0.07Mean % by weight
Aluminum Oxide0.47Mean % by weight
Calcium Oxide0.03Mean % by weight
Titanium Dioxide0.02Mean % by weight
Magnesium Oxide0.02Mean % by weight
Potassium Oxide0.05Mean % by weight
Sodium Oxide0.01Mean % by weight
Loss on Ignition0.44Mean % by weight

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