TabletHardnessFriabilityQualityChecker

Tablet Hardness & Friability Quality Checker — Control of Tablet Hardness and Friability

ℹ️  Utility assesses mechanical strength of tablets according to USP <1216> (Hardness) and USP <1217> (Friability):
     • Average Hardness: ≥50 N (Newtons) — ensures integrity during handling
     • Friability: Mass loss ≤1.0% after 100 rotations in drum
     • Integrity: No broken or cracked tablets after friability test
     • Control of minimum hardness to prevent capping/chipping

⚠️  CRITICAL: Friability >1.0% is grounds for batch rejection!
     Low hardness leads to dusting, chipping, and coating issues.

Usage:
  TabletHardnessFriabilityQualityChecker.exe                            → demo mode (console output)
  TabletHardnessFriabilityQualityChecker.exe input.csv output.json      → evaluate your data

Input format:
BatchNumber,ProductName,AvgHardnessN,MinHardnessN,MaxHardnessN,FriabilityPercent,BrokenTabletsCount,AvgWeightBeforeG,AvgWeightAfterG

Example:
  TAB-HF-2026-001,Paracetamol 500mg,120.0,105.0,135.0,0.45,0,0.650,0.647

— WHY IS THIS NEEDED?
Mechanical strength is critical for tablet survival during manufacturing (coating), packaging, transport, and patient use.
Too soft tablets crumble, too hard ones may have dissolution issues (checked separately).
Friability test simulates abrasive stress during transport.

⚠️  CRITICAL:
• Friability ≤1.0% — standard limit for most uncoated and coated tablets.
• For effervescent or chewable tablets, limits may be higher (e.g., up to 3.0%) but require justification.
• Broken/Cracked tablets after test are unacceptable, even if mass loss is within limits.
• Hardness must be sufficient to withstand subsequent steps (e.g., pan coating).

Key features:
• Comprehensive assessment of hardness and friability
• Check for physical defects (chips, cracks)
• Mass loss calculation based on input weight data
• Generation of reports for QC departments and LIMS LabWare
• Compliance with USP and GMP requirements

Critical parameters:
• Average Hardness: ≥ 50 N (may vary by tablet size)
• Friability: ≤ 1.0%
• Broken Tablets: 0
• Minimum Hardness: ≥ 40 N (to prevent capping)

💡 Usage tips:
1. Sampling: For friability test, usually enough tablets are taken to weigh about 6.5 g total (or 10-20 pieces).
2. Cleaning: Tablets must be gently cleaned of dust with a soft brush before weighing.
3. Conditions: Test is performed under controlled humidity, as moisture affects the strength of some binders.
4. Interpretation: If friability is close to the limit (0.9-1.0%), it is recommended to increase sample size or repeat test.
5. Correlation: High hardness does not always guarantee low friability (depends on material brittleness).

⚠️ Note: Hardness is measured in Newtons (N) or kiloponds (kp/kp). 1 kp ≈ 9.8 N. Utility uses Newtons as the standard SI unit.