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FlowLac® 100

The product FlowLac® is produced by spray-drying a suspension of fine milled alpha-lactose monohydrate crystals in a solution of lactose. When lactose in solution is spray-dried, a rapid removal of water is taking place, whereby amorphous, non-crystalline lactose is formed in addition to crystalline lactose. Based on the amorphous content, kept on a stable level, non-varying better tabletting properties can be reached.
Due to the spray-drying process, FlowLac® has a spherical agglomerate shape, consisting of small alpha-lactose monohydrate crystals bound by amorphous lactose.

FlowLac® 100 is the standard grade for spray-dried lactose, which provides an excellent flowability and an extraordinary compactability compared to all other lactose grades.

Shelf life / Retest - Standard Packaging
18 months - 25 kg Paper bag with PE-EVOH-PE Inliner
24 months - 25 kg Carton box with aluminium inliner
Particle size distribution
[Air jet sieve]

  • <32 µm: NMT 10%
  • <100 µm: 20-45%
  • <200 µm: NLT 80%
Typical Values
  • Bulk Density [g/l]: 590
  • Tapped Density [g/l] : 710
  • Hausner factor: 1.2
  • Carrs index: 16.9 %
Spray dried Lactose Monohydrate_100 Mesh_Direct Compression_Flowability
  • Superior flowability
  • Excellent compactability
  • Low hygroscopicity and high stability
  • Fast disintegration times
Areas of Application
  • Low to medium dose DC formulations
  • Formulations with poorly flowing API´s
  • Capsule and sachet filling
Typical particle size distribution (PSD) ofsomething new Batch to batch consistency (B2B) ofsomething new
Material safety data sheet(s)
Quality Statement(s)
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