Aircraft Spruce Australia
Melbourne, VIC Australia
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Aeropoxy PH3663 Hardener Quart
MFR Model# PH3663 QT
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- Overview
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Overview
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Hardener PH3663 is the standard production hardener for fabricating composite parts. PH3663 has a 90 minute working time which provides more time for construction. This hardener provides similar mixed viscosities, so handling will be basically the same, except for the different working times. This product can be considered low toxicity material that has minimum hazard potential when used properly and in a clean and responsible manner. Hardener PH3663 does not contain methylene dianiline (MDA), or other potentially harmful aniline derivatives. Neither the resin nor the hardeners will crystallize in normal shipping and storage conditions, including refrigerated storage. All components have excellent moisture resistance, for minimal problems in high humidity environments. |
Documents
- Tech Data Sheet (PDF)
- SDS (PDF)
Reviews
So far so good. I used it for the first time recently and it has met every expectation. Viscosity is low so it spreads similar to house paint, perhaps a tad thinner (at temperature of about 65 degrees). Probably would run thinner at higher temps. Unfortunately, it is fall here and my workshop stays cool (55-60 degrees F) so it has been over 35 hours and it is still slightly tacky. My only complaint is the containers, and getting the stuff out into a measure cup. It gets messy because it’s hard to pour without spilling. Anyone know it there is a pour spout for these qt cans??? That would help. Otherwise, 5 stars.
Im coming to love AeroPoxy. Im building a Cozy with MGS epoxy for the structure and West epoxy for finishing and non-structural odd jobs. I decided to do the wheel pants in AeroPoxy and got great performance. The product penetrates well, making for good layups, and cures nice and hard. Where cured West layups will still delaminate, the AeroPoxy locks on. The gallon kit is affordable and ACS brought it to Sun-N-Fun for free.
Order was shipped quick and packaging was great
This Product should be kept fresh for the Consumer, It had settled out, and needed to be stirred
This is the greatest laminating epoxy. I use it for its high temperature capabilities.
My favorite laminating epoxy. Excellent wetout properties, great pot life and I have never had an exotherm, even with very thick layups.
Quality resin and low odor.
I use this epoxy and use a Harbor Freight scale to measure out the ratio by weight. I am not experienced at composite, and have not had any failures using this. But at 50F it takes a long time to cure....week? It did cure though!! A system that uses pumps has waste. With s small digital scale I can measure our 5 grams, or 50g. If you choose to use a pump measuring system you lack that versatility, and will increase your cost due to waste. I only gave it 4 stars because I dont have much experience with other types. I have used West System and also like it.
No pumps screw onto the port. They expect you to attach a spout and heave this thing on its side to have a controlled pour. Not spigot a spout. That was the recommendation from the manufacturer.
Q&A
Please note, Aircraft Spruce Australia'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 Australia 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.
24hr, at room temp, is recommended. Heat can be applied to accelerate the cure time. Please see the Tech Data Sheet under the "Documents" tab for more info.
They do not come with pumps but you can use the west system pumps on the Aeropoxy kit. P/N# 01-00318.
Acetone is commonly used for cleaning un-cured epoxies. We also have Replacetone, 01-08823, which is a non-haz cleaner for un-cured epoxies.
This cures clear, but it is not a clear coat, and will have a haze look the more used. The hardener gets darker with age, and will turn a amber/maroon color over time. It is still good, if it is within the shelf life and has a dark hardener.
As long as the hardeners have the same ratio they can be blended. 3630/3660/3665 are all 100:27.
Yes, this is safe to use with closed-cell polystyrene foam.
