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Loctite 401 Henkel

Cyanoacrylate (Ethyl)

Key Specifications

Viscosity

20–50 cP

Fixture Time

3–10 s

Full Cure

24 h @ 22 °C

Shear Strength

15–20 MPa (steel)

Temp Range

−54 °C to 82 °C

Source: Manufacturer TDSVerified

Field Performance(Gravix Data)

Total Applications

67

Field Failure Rate

6.8%

🟡 Moderate Risk

Top Failure Modes

1. Adhesive72%
2. Cohesive18%
3. Mixed10%

Top Root Causes

1. Humidity degradation45%
2. Surface contamination22%
3. Low-energy substrate mismatch20%
4. Thermal cycling13%

Common Application Errors

  • Used on polyolefin without primer(31% of failures)
  • Applied in high-humidity environment (>60% RH)(22% of failures)
  • Excessive adhesive application (gap-filling attempt)(15% of failures)

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All performance data is anonymized and aggregated from Gravix platform analyses. No company or facility names are disclosed.