LOCTITE 2701

Harmonization Code : 3506.10.00.00 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg

LOCTITE 2701

Main features

  • High-Strength Thread Retention
  • Low-Viscosity Threadlocking Application
  • Fluorescent Under UV Light

Product Description

LOCTITE® 2701 is a high-strength anaerobic threadlocking adhesive designed for the permanent locking and sealing of threaded metal fasteners. The one-component acrylic formulation cures in the absence of air between closely fitting metal surfaces, preventing loosening and leakage caused by shock and vibration. LOCTITE 2701 is particularly well suited for inactive metal substrates such as stainless steel and plated metals, and for applications requiring maximum resistance to hot oils. The low-viscosity adhesive penetrates threads efficiently while providing strong locking performance, excellent chemical resistance and long-term durability in demanding industrial environments.

Key Features & Benefits

  • High-strength threadlocker for permanent fastener locking and sealing.
  • Designed for inactive metals including stainless steel and plated surfaces.
  • Excellent resistance to hot oils and industrial fluids.
  • Prevents loosening caused by vibration, shock and dynamic loading.
  • Low-viscosity formulation promotes efficient thread penetration.
  • One-component anaerobic adhesive requiring no mixing.
  • Fluorescent under UV light for inspection and quality control.

Recommended Applications

  • Permanent locking of threaded fasteners.
  • Sealing threaded assemblies against leakage.
  • Fasteners subjected to shock and vibration.
  • Assemblies operating in hot-oil environments.
  • Industrial machinery, pumps, gearboxes and maintenance applications.
Product Family

LOCTITE 2701

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
Green liquid
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
1.08
Physical Properties
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow. Viscosity is commonly measured in centiPoise (cP). One cP is defined as the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP. A product like honey would have a much higher viscosity -around 10,000 cPs- compared to water. As a result, honey would flow much slower out of a tipped glass than water would. The viscosity of a material can be decreased with an increase in temperature in order to better suit an application
500 - 900 mPa.s

Additional Information

Technical Properties

As-Supplied / Before-Processing Properties

Property Value Unit Condition
Technology Acrylic — Anaerobic threadlocker
Chemical Type Dimethacrylate Ester — One-component
Color Green — Liquid
Strength Classification High — Threadlocking adhesive
Viscosity 500 - 900 mPa·s Brookfield RVT, 25°C
Specific Gravity 1.08 — 25°C
Density 1.10 g/ml 20°C
Flash Point 100 °C Closed cup
Technical Properties

After-Processing / Final-State Properties

Property Value Unit Condition / Method
Breakaway Torque 26 - 50 N·m ISO 10964, M10 black oxide steel nuts and bolts
Prevail Torque ≥15 N·m ISO 10964, M10 black oxide steel nuts and bolts
Breakloose Torque 30 - 60 N·m ISO 10964, pre-torqued to 5 N·m
Maximum Prevail Torque 36 - 60 N·m ISO 10964, pre-torqued to 5 N·m
Compressive Shear Strength 18 - 30 N/mm² ISO 10123, steel pins and collars
Coefficient of Thermal Expansion 100 × 10⁻⁶ K⁻¹ ISO 11359-2
Thermal Conductivity 0.1 W/(m·K) ISO 8302
Specific Heat 0.3 kJ/(kg·K) Typical cured value

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