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Uncategorized Loctite 638

The Loctite 638 is an acrylic adhesive from the renowned brand Loctite, designed to provide a durable and strong bond. This product is presented in liquid form in a 250 ml bottle, making it easy to use and store.

The Loctite 638 is particularly suitable for bonding metals and is capable of withstanding impacts, heat, and moisture, thus ensuring its performance in various conditions. Its temperature resistance range extends from -55 to 180 °C, making it a reliable choice for industrial and domestic applications.

Although this product is not suitable for materials such as polypropylene, ABS synthetics, or glass, it is ideal for wood surfaces and other metal substrates. The drying time is 4 minutes, allowing for a quick and efficient finish.

In summary, the Loctite 638 stands out for its durability and resistance, making it a versatile adhesive for various bonding projects requiring optimal performance.

Manual of product 638

7 10

Editorial note

Loctite 638 stands out for its excellent impact and heat resistance, making it a reliable choice for applications in demanding environments. Its bottle packaging facilitates precise application, enhancing the user experience. Additionally, the drying time of only 4 minutes helps optimize the efficiency of bonding projects. However, it has some limitations. Its restricted compatibility with many common materials such as polypropylene, glass, or ceramic can incur additional costs for users who will need to seek alternatives. Furthermore, the product is not child-safe, requiring careful handling, which can be a drawback for families. A notable advantage is the availability of a detailed user manual, which can help users get the most out of this product. This partially offsets the drawbacks related to its safety and limited compatibility. In summary, Loctite 638 is a high-performance adhesive for specific applications, but it is essential to consider its restrictions before using it.

Score details

User experience

The user experience is generally positive due to the ease of use of the bottle packaging, allowing for precise application. However, the lack of accessories like a tape dispenser can make its use less convenient.

Performance

The product offers excellent impact resistance and high temperature tolerance, ensuring reliable performance in extreme environments. However, the drying time of 4 minutes may be considered relatively long for some users.

Value for money

Although the product is effective for metal surfaces, its limited compatibility with other common materials such as polypropylene and glass could lead to additional costs for users seeking alternatives.

safety

The product is not child-safe, which requires careful handling. This can be a drawback for users with children at home.

Documentation

A 172-page user manual is available, providing detailed instructions and usage tips, which is an asset for users looking to maximize the product's effectiveness.


Advantages

Impact resistance for maximum durability.

Reliable performance at high temperatures.

Effective adhesion on metal surfaces.

Precise application thanks to bottle packaging.

Fast drying in just 4 minutes.

Disadvantages

Not compatible with several common materials

Drying time of 4 minutes

Not safe for children

Additional costs for alternative materials

Lack of practical accessories included

Technical Specifications 638

General Information

Weight and dimensions

  • Volume
    250 ml

Features

  • Substance
    Gel
  • Type of dispenser
    Bottle
  • Product color
    Green
  • Suitable for metal
    Yes
  • Suitable for metal
    Yes
  • Adapted for a particle board
    No
  • Suitable for metal
    Yes
  • Suitable for metal
    Yes
  • Suitable for metal
    Yes
  • Ingredients
    2-Propenoic acid, 2-methyl-, (1-methylethylidene), 3, 3,5 Trimethylcyclohexyl methacrylate, 2-Hydroxyethyl methacrylate, Polyurethane methacrylate resin, Acrylic acid, Hydroxyalkyl methacrylate, Cumene hydroperoxide, 1-Acetyl-2-phenylhydrazine, Polyglycol dimethacrylate, Methacrylic acid
  • Type of adhesive
    Acrylic adhesive
  • Suitable for metal
    Yes
  • Suitable for metal
    Yes
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No
  • Adapted for a particle board
    No

Representation / realization

  • Drying time
    4 min
  • Temperature resistance range
    -55 - 180 °C

Packaging contents

  • Adhesive tape
    No
  • Quantity
    1 piece(s)
  • Adhesive tape
    No
  • Adhesive tape
    No
  • Adhesive tape
    No

Frequently Asked Questions

How can I know how much Loctite 638 to use?
It is essential to follow the manufacturer's recommendations regarding the amount of Loctite 638 to apply. Generally, a small drop or a thin layer is sufficient, but it is important to avoid excessive application, as this could compromise the adhesive's effectiveness.
What is the curing time for Loctite 638?
The curing time for Loctite 638 depends on various factors, such as temperature, type of material, and the gap between the surfaces to be bonded. Generally, it is advisable to allow the adhesive to cure for at least 24 hours to achieve optimal strength. For specific applications, it may be helpful to consult the manufacturer's recommendations or test the adhesive on a sample.
Is Loctite 638 compatible with all materials?
Although Loctite 638 is a versatile adhesive, it is important to check its compatibility with the specific materials you are using. It is generally suitable for metals, such as steel and brass, but may not bond effectively to certain plastics or non-metallic surfaces. For optimal results, consult the adhesive's technical data sheet or seek advice from a Loctite representative.
What safety measures should be taken when applying Loctite 638?
When using Loctite 638, it is crucial to follow appropriate safety guidelines. Ensure good ventilation in your workspace, wear suitable protective equipment (such as gloves and safety glasses), and avoid contact with skin and eyes. Additionally, keep the adhesive out of reach of children and store it in a cool, dry place.
Can Loctite 638 withstand high temperatures?
Loctite 638 offers excellent heat resistance, withstanding continuous use temperatures of up to 180 °C (356 °F). However, it is recommended to check the specific requirements of your application and consult the technical data sheet to ensure the adhesive meets your temperature criteria.
Is Loctite 638 compatible with polypropylene?
No. It is recommended not to use Loctite 638 on polypropylene surfaces.
Does Loctite 638 have a fast drying time?
Yes. Loctite 638 has a fast drying time of about 4 minutes, allowing you to expedite the completion of your projects.
Is Loctite 638 safe for children?
No. It is important to keep Loctite 638 out of reach of children and to use it with caution due to its potential hazards.
Does Loctite 638 resist shocks?
Yes. Loctite 638 is designed to withstand shocks and can establish a strong bond even under challenging conditions.
Is Loctite 638 waterproof?
Yes. Loctite 638 has the ability to resist water, making it suitable for use in damp or wet environments.
Is the Loctite 638 manual available in French?
Unfortunately, the Loctite 638 manual is not available in French. It is only offered in English.

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Presentation of product 638 specifications from brand Loctite

General Information

The Loctite 638, a reference from the Loctite brand, is recognized for its excellence in performance in the field of industrial adhesives. This model, identified by the number 638 | 1803356, is designed to provide an optimized user experience and reliable results.

Weight and Dimensions

The Loctite 638 comes in a 250 ml bottle, a volume that facilitates storage and use for various projects.

Features

This product is a liquid, making it easy to apply. Packaged in a bottle, it allows for precise and efficient distribution. Its green hue gives it a modern appearance.

The Loctite 638 has several notable features:

  • Not compatible with polypropylene.
  • Drying time: 4 minutes, which may be considered relatively long for some users.
  • Not safe for children, requiring careful handling.
  • Impact resistant, ensuring durability under tough usage conditions.
  • Heat resistant, capable of withstanding high temperatures.
  • Water resistant, providing protection against moisture.

The ingredients of the Loctite 638 include carefully selected compounds such as 2-Propenoic acid, Acrylic acid, and Polyurethane methacrylate resin, which ensure its quality and effectiveness. This adhesive is primarily acrylic, ideal for strong and durable bonds.

However, it is worth noting that the Loctite 638 does not adapt to many materials such as polyethylene, cardboard, ceramics, glass, leather, wood, and fabrics, thus limiting its use to specific surfaces.

Representation / Performance

The drying time of the Loctite 638 is 4 minutes, ensuring effective application. Its thermal resistance range extends from -55 to 180 °C, allowing for use in varied conditions.

Packaging Contents

The Loctite 638 is sold in 1 piece per package. It does not include accessories such as a tape dispenser or correction tape, which may be a factor to consider depending on the user's needs.