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T-88 is a non-brittle structural adhesive which gives superior finished results even when used under adverse working conditions. T-88 will cure in temperatures as low as 35F which makes it an excellent choice for homebuilders living in colder climates. It is recommended by the builders of many types of homebuilt aircraft and is excellent for bonding aluminum, steel or wood. When fully cured, it is not affected by water, oil, gasoline and most other chemicals.


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Works very well for itâs purpose

Ian T
October 16, 2020


Robert A
October 8, 2020

Amazing structural epoxy I can see why so many recommend it for aircraft use. I will now always have some available.

Erik W
August 10, 2020

Been using T-88 since around 1970. (Long before Aircraft Spruce marketed it.) Always got good wood tear on compressive shear coupons.

Paul A
July 28, 2020

Excellent product excellent service

Chip H
May 23, 2020

Did not want to run out of glue with the pandemic, would have gone mad with nothing to do. Once again you came through on time and well packed. thank you....

Malcolm C
April 14, 2020


March 14, 2020

as always fast great services Thanks

Frank H
September 19, 2019

This was my 3rd order of epoxy for my VMAX build , product has never failed in strength, consistently easy to mix and works exactly like its purpose.

James G
August 1, 2019

When cured the adhesive is extremely tough. Ive used it plain and with thickening agent with great success

July 30, 2019


Q: What is the shelf life of T-88 Structural Adhesive?

Per the manufacturer: There is no shelf life for this product. Shelf life is indefinite.

Q: In the larger quantities, does the epoxy bottles come with squirt nozzles for easy proportioning and mixing, or is it an open top container?

It is an open top container.

Q: What is the mix ratio of T88 Structural Adhesive?

The ratio is 1 to 1, resin to hardener.

Q: What sizes of T-88 are packaged in the squirt bottles as shown in the photo?

Both the 1/2 pint and 1 pint sizes are packaged as pictured.

Q: What is the approximately coverage in square foot for a quart of T-88?

Per supplier: approximatley 25 sq ft.

Q: What is the recommended surface preparation for an existing self-etched primed aluminum surface when using the T-88 Structural Adhesive?

You just need to make sure the surface is clean and smooth. Our guess is you are using a self-etching primer, like zinc-chromate, or zinc-oxide. T-88 should work fine over that as long as the prep is done properly for those primers was done correctly.

Q: Will T-88 bond titanium to aluminum?

This material doesn't have any information how well it works on titanium, but does work well with aluminum.

Q: Does the T-88 dry clear?

It does cure clear, but may have a cloudy look if used in large quantities.

Q: Is T88 safe to use with the bonding of aluminum and styrofoam? Does T88 remain flexible once it has cured? What's the working time for larger projects?

It will bond aluminum and styrofoam, they recommend clean etched aluminum. Once cured it is not elastic but also not brittle so it will have some flex. As for working time they recommend starting off with small 2-3oz batches that would have a 30 minute or so pot life. The larger the batch the shorter the pot life so it is better to mix multiple batches rather than one large batch.

Q: Is T-88 too thick to use in laminating fiberglass? I have a repair which requires an adhesive for gluing wood and a fiberglass layup for repair

It can be used with fiberglass but it is fairly thick and would not flow. It would need to be applied with a spatula type device.

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