Loctite 542

Loctite 542

Type : 542

Brand : Loctite

Origins : USA
Status : New
SpecificationsPriceQuantity

Measurement unit : Piece

In Stock

395EGP

  • Shipping time 2 to 5 Working Days
  • Calculate Shipping fees : 0.00 EGP
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Description

Technology

Acrylic

ChemicalType

DimethacrylateEster

Appearance(uncured)

BrownliquidLMS

Components

Onecomponent - requires no mixing

Viscosity

Low

Cure

Anaerobic

SecondaryCure

Activator

Application

ThreadSealing

Strength

Medium

Cure Speed vs. Temperature

The rate of cure will depend on the temperature. The graph below shows the breakaway strength developed with time at different temperatures on M10 steel nuts and bolts and tested according to ISO 10964.

Cure Speed vs. Activator

Where cure speed is unacceptably long, or large gaps are present, applying activator to the surface will improve cure speed. The graph below shows breakaway strength developed with time  using Activator 7471 and 7649 on M10 zinc dichromate steel nuts and bolts and tested according to ISO 10964.

Cure Speed vs. Bond Gap

The rate of cure will depend on the bondline gap. Gaps in threaded fasteners depends on thread type, quality and size. The following graph shows shear strength developed with time on steel pins and collars at different controlled gaps and tested according to ISO 10123.

Directions for use For Assembly

  1. For best results, clean all surfaces (external and internal) with a Loctite cleaning solvent and allow to
  2. If the material is an inactive metal or the cure speed is to slow, spray   all   threads   with Activator   7471   or 7649 and allow to
  3. Apply a 360° bead of product to the leading threads of the male fitting, leaving the first thread Force the material into the threads to thouroughly fill the voids. For bigger threads and voids, adjust product amount accordingly and apply a 360° bead of product on the female threads also.
  4. Using accepted trade practices, assemble and wrench tighten fittings until proper alignment is
  5. Properly tightened fittings will seal instantly to moderate For maximum pressure resistance and solvent resistance allow the product to cure a minimum of 24 hours.

For Disassembly

  1. Remove with standard hand tools
  2. Where hand tools do not work because of excessive engagement length or large diameters (over 1"), apply localized heat to approximately 250°C.  Disassemble while hot
  3. Cured product can be removed with a combination of soaking in a Loctite solvent and mechanical abrasion such as a wire brush.

For Cleanup
Cured product can be removed with a combination of soaking in a Loctite solvent and mechanical abrasion such as a wire brush.

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