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Eyeglass Frame Materials - ghid-supraveghere.info
There are currently 1 users browsing this thread. Results 1 to 23 of Frames made of Grilamid?? Has anyone heard of this material? I apparently damaged a Gucci yesterday while adjusting. I heated the temples and bent them down like always on this lady's brand new beautiful red frame. I didn't notice it at the time, but she came back in today and pointed out whitish spots where I'd bent the temples like the white plastic turns when you're breaking it.
The material felt like any old zyl so I didn't expect to have any trouble handling it, but obviously I need to learn more about this frame material! Anyone know what it is? I got them pretty hot and it was hard to bend Less heat? Wear in as-is position? Is it possible rubbing alcohol caused this instead of my bending? I've never heard of the material If so, it was probably the heat that did it. It always amazes me when a frame company makes a frame that's impossible to adjust I have seen frames made of it.
I seem to remember that heat was a no-no! Heat is the enemy here. I've seen some frames made of this material shrink 8mm in size when heated. It's a shame for a frame selling at that price to be like that.
We were always able to bend endpieces for panto, retro, and tightness without trouble using a little heat. I don't think Swissflex or t2 similar frames use the exact same material, but I'm not certain. Thanks for the replies. The thing is, this frame isn't bending anywhere for anything without heat. It'd be easier to put a temple bend in a 2 pencil. So, does that mean I'm just not going to be able to adjust the frame for my patient? I didn't actually sell her the frame gift from her son , but I do carry Gucci and I refuse to offer any frames which cannot be properly fit.
So, I need to either get rid of the Gucci's I've got that are made of said material, or learn how to adjust them without causing distruction. Would something like hot water work better than hot air or salt??
Don't feed the Beast It is not a problem First make sure the material is what you are told it is. I have seen many frames reported as being Grilamid, but were just another injected plastic. There are even polycarbonate injected frames. Grilamid is a trade name for a polyamid made by EMS of Switzerland. You can heat it without a problem, just like any material you have to learn how hot to get it so it won't distort.
Polycarbonate lens, with these polyamids and alcohol can cause the frame to crack. It is a chemical reaction with the three that causes this.
Does anyone else think that manufacturers have an obligation to tell us how to use and work with new inovative materials and devises when they trust them upon us? Preferably detailed descriptions and instructions, including what the material is, what temperatures it can stand and requires, what adhesives and sovents can and cannot be used with it.
And how to assemble and disassemble new devises? Or do we not matter now that we have become just salespeople? Last edited by Deleted; at Originally Posted by Kevin W. This is a great idea, we too here at Pech Optical see a huge need for the information Chip lists' above. Back to the original topic. One way to "limit" the amount of adjustment needed after inserting lenses into a frame zyl's especially is to match the Rx Lenses base curve to that of the frames eyewire. I must also add that an Incline beveled edge from a 5 axis edger also plays a big role in achieving perfect lens to frame fit with minimal adjustment when dealing with zyl frames especially wrap eyewear.
Originally Posted by EyeFitWell. This is a plastic material for injection moulding, which means mass production. See it all at http: Grilamid TR 55 Grilamid TR Grades are transparent thermoplastic polyamides based on aliphatic, cycloaliphatic and aromatic blocks.
Grilamid TR 55 LZ is characterised by its good chemical and stress-crack resistance and very high impact strength Grilamid TR 55 natural Grilamid TR Grades are transparent thermoplastic polyamides based on aliphatic, cycloaliphatic and aromatic blocks.
Grilamid TR 55 natural contains a processing aid to improve the flow- and demoulding properties. Grilamid TR 90 Grilamid TR grades are transparent thermoplastic polyamides based on aliphatic and cycloaliphatic blocks.
Grilamid TR 90 is characterised by its extremely good UV resistance, high chemical and stress crack resistance as well as high impact strength.
It contains a flow and mould release additive which aids processing for parts having long flow paths or in tools with long cores e.
Grilamid TR 90 LX is characterised by its extremely good UV resistance, high chemical and stress crack resistance as well as high impact strength. I believe that Sutro Vision may have frames made with this material. I know, holy 4 months too late. But i just read this. If anyone is still interested Yes, we at Sutro use Grilamid TR I think that most people who use it use the TR90 It is a great material for sun as it is UV and heat resistant.
What that means is that the material wont oxidize over time and get flaky, nor will the frame warp when left on something like a hot dashboard. Adjustment with heat are fine, it just takes a little more heat than you would use with Zyl. A few other good things are that its hypoallergenic, chemical resistant, stress crack resistant and all around tough.
I just added your website to my listing at http: Is grilamid what the older RayBan Daddy-O frames are made of? Stop worrying about glasses! Originally Posted by Mr. Originally Posted by Fezz. I am not sure. I don't think that any contact lenses are made of it either, are they? Any frames made in the US? Bookmarks Bookmarks Digg del. All times are GMT The time now is