Parson Adhesives Inc.  PARFIX™   Cyanoacrylate Adhesives

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PARFIX™  ®   Cyanoacrylate Adhesives

PARFIX Cyanoacrylate adhesives offers a major advantage over other type of adhesive systems. They are a single component adhesives, fast curing at room temperature, solvent free and resistant to many environmental factors. Cyanoacrylates are based on a wide range of different acetates with the smallest molecule size being methyl followed by ethyl and then the larger size such as butyl etc. In general the smaller the molecule the greater the overall strength and faster the speed of cure. The main advantage of the higher molecular weight ester is less odor, reduced 'blooming' and slightly more flexibility.



How They Work

Cyanoacrylates are kept in their liquid form when in the bottle by the use of acidic stabilizer. Polymerization (solidification) in most cases takes place under the influence of trace moisture on the surface of the substrate. As the two surfaces are brought together the moisture on the surface helps to neutralize the acidic stabilizer, which results in fast adhesion. The curing mechanism can be affected by the following:

Correct cleaning and preparation of the surface is therefore vital for successful binding. Non-polar surfaces such as polypropylene are difficult to bond and require special preparation.

How To Use

In general a little goes a long way. One average size drop from our standard bottle will cover 2.5 cm. Using Cyanoacrylate adhesives only requires a small amount, the thinner the bond line the better the overall performance.

Advantages

Following are some of our most popular grades. We are also able to produce other materials including very high viscosity grades, toughened grades, high temperature grades, colored grades and low odor/low bloom grades.

PARFIX™ Cyanoacrylate Selection Chart


Material to be Bonded

3420

3495

3406

3401

3424

3416

3422

3409
Metal * * * * * ** * *
Rubbers ** ** *** *** ** * * *
Difficult Rubbers * * *** ** ** * * *
Woods ** ** *** *** ** ** * *
Leather * * ** *** ** * * **
Fabrics *** ** ** ** ** * * *
Ceramics * * * ** ** *** *** **

(*) Poor to reasonable performance
(***) Recommended
The above should use as guide, some grades perform better when used to bond different materials such as metal to rubber, other have better shelf life under difficult conditions.



PARFIX™ Cyanoacrylate Adhesives Specifications


Grade

3420

3495

3406

3401

3424

3416

3422

3409
Material Base ethyl ethyl ethyl ethyl ethyl ethyl ethyl ethyl
Viscosity, cps 3 20 40 80 100 1500 2500 Thixo gel
Appearance clear clear clear clear clear clear clear clear
Gap Fill, mm .05 .1 .1 .1 .1 .15 .2 .25
Tensile Shear Strength* N/mm 15-26 16-26 15-26 15-26 18-26 17-26 17-26 15-26
Full Cure 24 hours
Melting Point 160ºC - 170ºC



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Parson Adhesives, Inc. 675 Tennyson Drive, Rochester, MI 48307 Toll Free-Phone: 1-877-805-0185 Fax: (248) 299-3846 E-mail: sales at parsonadhesives.com