IGI Microcrystalline Wax Products

IGI Microsere™ waxes are synonymous with the high performance and consistency. Through custom manufacturing capabilities, our goal is to help you achieve the quality, differentiated products required to meet your customer needs.

  • Unrivalled range of melting point, hardness & color grades to meet specific end-product needs
  • Conformance to FDA requirements as outlined in 21 CFR 178.3710
  • For markets restricting use of BHT, most grades available without the addition of antioxidant
  • IGI Microcrystalline wax is supplied as granule, pellet, slabs or liquid bulk, all designed to fit your processing needs
 Melt Point HardnessViscosity Color Packaged Forms
°C/°F@ 25°C@ 100°CD1500/D156
MICROSERE 5788A60/14040 dmm19 mm²/secL0.5/- -Slab
MICROSERE 5714A70/16028 dmm14 mm²/secL1.5/- -Slab
MICROSERE 5715A77/17028 dmm16 mm²/sec- -/+16Slab
MICROSERE 5799A77/17028 dmm16 mm²/secL1.5/- -Slab
MICROSERE 5818A83/18118 dmm16 mm²/secL3.5/- -Slab & Pellet
MICROSERE 5897A87/18818 dmm20 mm²/secL0.5/- -Slab, Pellet & Granule
MICROSERE 5909A90/1948 dmm20 mm²/secL0.5/- -Slab, Pellet & Granule

Several other grades of microcrystalline wax are available from IGI, including microcrystalline wax blends that can be manufactured to suite specific applications or specifications. Please contact IGI for details.

Microcrystalline waxes may broadly be divided into 3 categories:

GradeMelting PointHardnessApplications
Type 1 - Laminating54 to 76ºC20 - 35 dmmPackaging
Adhesives
Cosmetics
Rubber
Candles
Type 2 - Coating76 to 85ºC14 - 25 dmmAdhesives
Packaging
Chewing Gum
Inks
Plastics
Rubber
Type 3 - Hardening85 to 95ºC6 to 14 dmmAdhesives
Inks
Chewing Gum
Candles
Specialty

IGI Microsere™ brand waxes provide:

  • Unrivalled range of melting point, hardness & color grades to meet specific end-product needs
  • Conformance to FDA requirements as outlined in 21 CFR 178.3710
  • For markets restricting use of BHT, most grades available without the addition of antioxidant
  • Are supplied as granule, pellet, slabs or liquid bulk, all designed to fit your processing needs

Production and Grades of Microcrystalline Waxes

Recent industry trends in the base lubricant market have reduced the total number of refineries producing purpose-made microcrystalline waxes. In North America, The International Group, Inc is one of the few remaining companies that have committed refining capacity to the long term supply of finished microcrystalline waxes. IGI refineries are based in Pennsylvania USA and Ontario Canada.

Microcrystalline Wax and Paraffin Wax Compared

Microcrystalline wax is a refined mixture of solid, saturated aliphatic hydrocarbons, and produced by de-oiling certain fractions from the petroleum refining process. Microcrystalline waxes differ from refined paraffin wax in that the molecular structure is more branched and the hydrocarbon chains are longer (higher molecular weight). As a result the crystal structure of microcrystalline wax is much finer than paraffin wax, and this directly impacts many of the physical properties. Microcrystalline waxes are tougher, more flexible and generally higher in melting point than paraffin wax. The fine crystal structure also enables microcrystalline wax to bind solvents or oil, and thus prevent the sweating-out of compositions.

Paraffin WaxMicrocrystalline Wax
Mainly unbranched alkanesMainly branched alkanes
CrystallineAmorphous
BrittleMalleable
TranslucentOpaque
Low melting (48 to 70ºC)Higher melting (54 to 95ºC)
GlossyAdhesive
HardSoft
WhiteWhite to Colored
OdorlessOdorless

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