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Cometech QC-105D Spherical‑Stress Sample Notcher | RCT Specimen Cutter (6" × 1/2")
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Cometech QC-105D Spherical‑Stress Sample Notcher | RCT Specimen Cutter (6" × 1/2")

  • Spherical‑stress sample notcher / specimen cutter for Ring Crush Test (RCT) sample preparation.
  • Standard cutting size: 6" × 1/2" (152.4 mm × 12.7 mm).
  • Compact bench-top unit: 54 × 34 × 34 cm, weight 19 kg.
  • Tailor-made sample sizes are available as an option (custom specimen size).
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Overview

Cometech QC-105D Spherical‑Stress Sample Notcher is used to prepare RCT (Ring Crush Test) specimens with consistent geometry to improve repeatability of paper/board strength evaluation.
The standard cutting size is 6" × 1/2" (152.4 mm × 12.7 mm), and Cometech also indicates tailor‑made sample sizes are available for customer options.
This is a practical specimen-preparation tool for packaging and paper testing labs where test-to-test consistency matters.

Technical Specifications

Core specifications (from your uploaded sheet)

Model QC-105D.
Application RCT (Ring Crush Test) specimen cutting.
Cutting size 6" × 1/2" (152.4 mm × 12.7 mm).
Dimensions (W × D × H) 54 × 34 × 34 cm.
Machine weight 19 kg.
Options Tailor‑made sample size available (customer option).

Related products (from your sheet)

  • QC-116 Digital Bursting Strength Tester.
  • QC-548M1F Universal Testing Machine.
  • QC-121M1F Box Compression Tester.

What to specify in your RFQ (recommended)

  • Confirm you need the standard 6" × 1/2" cutter or a tailor-made specimen size.
  • Share the paper/board grade and thickness range you cut (helps confirm blade/fixture fit if options exist).