Aircraft Spruce Canada
Brantford, ON Canada
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Poly-Fiber Ev-410 Varnish Catalyst Pint
MFR Model# 8-4102
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| Description | Part No. |
|---|---|
| Catalyst: Pint | 09-05655 |
Overview
| An excellent clear gloss epoxy varnish for interior and exterior use. It provides superior weather durability and excellent chemical and solvent resistance. Can be used over a one component varnish primer if desired. Mixing ratio is 2 parts base, 1 part catalyst. Can be ordered as a kit which includes base, catalyst and reducer, or each component separately. |
Reviews
Make sure to purchase pumps with this. Makes use so easy.
Easy to use. Good stuff
Used it for the first time when re-varnishing some original wooden spars for a J-3 restoration. We just sanded off most of the old varnish as best we could, wiped off the dust with a clean, damp rag and then next day applied the Poly-Fiber varnish directly over the old finish and it worked exactly as they said it would - no reaction between the old and the new finish, no de-laminating, no fish-eye... it just worked perfectly. AAA+
great product, swift service
I like the product other than the price. The reducer appears to corrode the can its supplied in. For the second time, I had a can of reducer leak in my paint locker. The spilled reducer removed the protective coating from the cans of polybrush, polyspray etc. It came in contact with. I now have half a kit of ev400 but no reducer. Again, the last 2 kits I purchased both cansof reducer leaked out of corroded cans. Perhaps a better container is needed.
Q&A
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Yes, with the proper preparation, it will adhere to polyurethane.
Yes, it is designed to replace one part wood varnish. This 2-part epoxy varnish is a much better product.
Per the vendor: Though it can be done, generally there is no benefit to epoxy sealing the wood components prior to bonding with T88. The T88 will perform very well by simply applying it to both surfaces and taking measures to not over clamp the joint.
Epoxy varnish is chemical resistant, unless it is submerged in MEK for a long period of time it should not effect it.
This is best used at 70 degrees F. Any higher than this will take much reduction and lower than this will take ventilation to make sure the air is clear from someone breathing it in. On the low side the film may stay open for a long time and allow garbage in the film. On the high side, the reason for more reducer is to stop the film on top from sealing in solvent beneath; this causes bubbling.
EV400 is the varnish and EV410 is the catalyst, they need to be used together. This will work fine with T88.
Stain should not present a problem, either water based or solvent. Make sure the stain is fully dry before encapsulating. Keep in mind epoxy can not handle sun exposure. If outdoor function, urethane varnish would work better.
Technically there is not a minimum temp. The colder it is the longer it will take to cure and ideally you would want to be as close to 77 degrees as possible. Just allow extra cure time the colder it gets.
The Reducer and Varnish have four year shelf lives unopened.
The Catalyst has a two year shelf life unopened.
After they are opened, our ability to know is somewhat limited. Dependent upon the environment, how much material is left in the cans and how tight are the lids, they could last for a very long time. The Catalyst is most subject to deterioration with exposure to air, light, heat and moisture. You will know it has a problem if it turns to a very dark tea color.
Per the vendor it could but it should not be allowed to soak in the fuel when the aircraft is parked. It may not be the best option for this application.
