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Edge Crush Test (ECT) Calculator

Calculate Edge Crush Test values for different corrugated boards.

Quick Board Presets

Flute Profile

Flute ECT Factor
1.45
Board Caliper
4 mm

Paper & Liner Specification

Outer Liner (Face Paper)
g/m²
N/m
Medium (Corrugating Medium)
g/m²
N/m
Inner Liner (Back Paper)
g/m²
N/m

Test & Environmental Conditions

Standard: 23°C (TAPPI/ISO)
Standard: 50% RH
Actual ECT Edge Crush Value
2.57 kN/m
Theoretical ECT
2.57 kN/m
Total Basis Weight
520 g/m²

Performance & Target Evaluation

Environmental Correction
Humidity×1.000
Temp×1.000
Suggested Box Span
~0 mm
Assuming cubic box (BCT ~5kN)

Application Suitability

📦 Carton Classification
This build provides 2.57 kN/m of edge crush strength, suited to standard packaging requirements.
⚠️ Environmental Note
Standard testing climate, stable ECT performance.

Need ECT-Certified Export Shipping Cartons?

TadaPack provides direct factory manufacturing of ECT 32, ECT 44, and heavy-duty ECT 55+ corrugated shipping boxes and custom mailers certified to ISTA & TAPPI standards.

Get Custom Quote on TadaPack.com
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Factory Direct Custom Packaging & Prototypes

Need Production Quotes or Custom Sized Boxes?

TadaPack (www.tadapack.com) offers direct factory manufacturing for corrugated shipping cartons, mailer boxes, rigid gift boxes, and eco-friendly protective packaging with instant online quotes and free vector CAD dielines.

Visit TadaPack.com

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