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DuraLac® H is produced by roller-drying of a lactose solution at high temperatures to form anhydrous beta-lactose and alpha-lactose crystals. During anhydrous lactose crystallization, no water is incorporated in the crystal lattice. Subsequent to roller-drying, anhydrous lactose is milled and sieved to the desired particle size distribution, optimizing powder flow and compactibility.

As DuraLac® H deforms by brittle fracture during compaction, it is well suited for directly compressed and dry granulated formulations (roller compaction, slugging).

Benefits

  • Excellent compactibility
  • High storage stability
  • Very good recompactability
  • Disintegration independent of compaction pressure
  • Low water content

Areas of Application

  • Direct compression
  • Dry granulation (Roller compaction, slugging)
  • Capsule filling and sachets

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  • Direct compression
  • Dry granulation
  • Roller compaction
  • Anhydrous Lactose
  • Oral Solid Dose
  • Placebo tablet
  • Low dose DC formulation
  • Capsule
  • Sachet
  • Tablet

25kg – Carton box with aluminium laminated inliner

36 months

Le Sueur/Minnesota, USA

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Typical particle size distribution

Typical Product Data

  • x10: 18 µm, x50: 170 µm, x90: 344 µm
  • Span [(x90-x10)/x50]: 1.97
  • Density bulk: 0.710 g/ml
  • Density tapped: 0.888 g/ml
  • Hausner Ratio: 1.25
  • Carr’s Index: 20 %

Specified Product Data

Particle size distribution

Sieve Method: Air-jet sieving

  • <45 µm: NMT 20%
  • <150 µm: 40-65%
  • <250 µm: NLT 80%

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