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Good evening, I am looking to start forming some plexiglass for a home made project. I have access to heating equipment, but as far as I have read, for optical clarity, the pattern must be covered in a felt and soaked in a water emulsifiable grease. Does anyone know what felt to use, and...

Hi Guys, I am currently working with the 3M EC 3524 epoxy adhesive but am currently having problems with it application. The material is applied to the surface and once cured, machined back to the correct profile and thickness. However, I am experiencing air bubbles within the substrate. Is...

Looking for some help. I am doing some research in to the effects of plasma etching on phenolic resin. Does anyone work with this kind of process? I would like to know the chemical breakdown of the reaction taking place and how much energy a process like this may use? Also, what are the...

Hi, Does anyone know of a chemical that will breakdown cured phenolic resin?

Hi Guys, I was wondering if anyone could help me. I am trying to draw up a comparison between graphene and polycarbonate. I would like to know the impact both of these have on the environment, from the processing stage right through to the disposal. If anyone could point me in the right...

Hello, I work within the aviation industry. My main products of manufacture are aircraft interiors. For this process we use glass cloth with phenolic resin in prepreg form. Just out of interest does anyone know of a fire resistant prepreg which uses a carbon cloth? I would be very interested to...

Hi, Has anybody heard of the material Sharnet? If so do you know of any similar alternatives that can be used? It is a low temp thermoplastic melting at about 140 degrees. I look forward to hearing from you, Jim

Hi, I've recently started machining honeycomb core (nomex) on a cnc milling machine. I'm having some difficulty with this. I have heard from some guys that I used to work with that they have seen a substance that gets applied to the core which takes up the cells before machining. The core is...

Hi, Can someone help me. I'm not involved in structural engineering but I'm a little stuck with a university assignment. What is the difference between a dorman long lintel and a catnic lintel? I believe the bottom horizontal plate is missing on the dorman long lintel. If this is the correct...

Hi guys, I'm currently manufacturing some tube ducts out of glass phenolic. The lay up is fine as the mould is split in half. Once the duct is joined we then have to pull through a rubber intensifier. We are have some trouble getting this through efficiently and removing it effectively after...

Hi, I'm looking to expand my knowledge in the composite industry. I'm looking for some training courses in composite design and composite testing. Was wondering if anyone could help! I live in the uk so any courses within the uk will be great. I'm not sure what the main design package in the...

Hi, I'm looking for a NDT training course. Does anyone know of any good ones that are available? It's mainly ultrasonic testing I'm interested in but would consider a general NDT course. I look forward to hearing from you guys.

I was just wondering what the lowest temperature any of you have cured phenolic at?

Hi Guys, Im after some help. Im have some problems with some glass phenolic sandwich panels. they seem to be buckling. Any solutions? Im working off an aluminium mould, applying two plies of phenolic, curing then applying 19mm honeycomb core and a further two plies of phenolic. A pressure...