Advanced Search

Acrylics

Acrylic adhesives are high strength, structural adhesives that equal or exceed the strength of epoxies. The advantages of this adhesive is a handling bond in minutes and 90% of full cure strength in about two hours without heating. An additional advantage is the ability to bond substrates with minimal preparation, including oily metals. Acrylics are two part adhesives consisting of a resin and accelerator to promote the cure. Ideal for metals, plastics, and ceramics, this adhesive will not work well on many porous materials and elastomers.
MIXING & APPLICATION:

Acrylics may be used as a mix-in or no mix product. For bond lines up to 25 mils the accelerator may be applied to only one surface. From 25 to about 50 mils it is necessary to apply the accelerator to both surfaces. Permit the accelerator to dry and then add the resin to one surface and bring the two substrates together. For large gap filling applications or over 50 mils, the accelerator must be mixed with the resin using the proper mix ratio supplied by the manufacturer. Acrylics are now available in dual cartridge dispensers with static mixers that eliminate the mixing problems by dispensing the adhesive ready to apply.

SURFACE PREPARATION:

Surfaces must be free from all grease or loose materials that may affect the bond. Metals with thin films of oil may be bonded. Some plastics require little preparation and others may require a solvent wipe or primer and need to be roughened.

CURING THE ADHESIVE:

Acrylics are available in various viscosities and set times. Follow the instructions for the one you are using. Do not use the material after setting has begun. A handling bond may be achieved in as little as two minutes or up to 30 minutes. It is not recommended that heat be used on acrylics.

SAFETY:

Follow standard safety measure for using any chemical. Uncured acrylics have a strong odor and adequate ventilation should be provided during mixing and bonding operations. SELECT ACRYLICS for fast, high strength, structural bonding of metals, plastics and ceramics to each other or in combinations.

Materials to be bonded

Tapes will adhere well to most clean, dry and well-unified surfaces. Typical surface cleaning solvents are a 50/50 isopropyl alcohol (rubbing alcohol)/water mixture or heptane. use proper safety precautions for handling solvents.

It may be necessary to seal or prime some substrates prior to bonding.

A.   Most porous or fibered materials; i.e., cement, wood, will require sealing to provide a unified surface.

B.   Some materials, i.e., copper, brass, will require coating with lacquer or varnish to prevent oxidation of surface.

Some materials, i.e., copper, brass, will require coating with lacquer or varnish to prevent oxidation of surface.



Rub down pressure

Bond strength is dependent upon the amount of adhesive-to-surface contact developed. Firm application pressure develops better adhesive contract and thus improves bond strength.

Application temperature

Ideal tape application temperature range is 70oF to 100oF (21oC to 38oC). Initial tape applications to surfaces at temperatures below 50oF (10oC) is not recommended because the adhesive becomes too firm to adhere readily. However, once properly applied, low temperature holding is generally satisfactory.

After application, the bond strength increases and approaches the ultimate bond strength after 72 hours at 70oF (21oC). In some cases bond strength can be increased and ultimate bond strength can be achieved more quickly by exposure of the bond to elevated temperatures; i.e., 150oF (66oC) for 1 hour. This provides better adhesive wet out onto the substrates.

General Information

All applications, surfaces, surface treatments, solvents, paints, sealers, etc. should be thoroughly evaluated by the user under anticipated use conditions in conjunction with specific tape and substrate to be used in the application.

SELECT ACRYLICS for fast, high strength, structural bonding of metals, plastics and ceramics to each other or in combination's.

Items 1 to 9 of 73 total

per page
Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Set Descending Direction

Top Selling Acrylics