Member Discussion Forum

Hi

On page 9 of above referenced article the ultimate strength of spacers is called out as 8-10 GPa for 'as received glass', 6-7 GPa 'after annealing of glass' and 1-2 GPa for stainless steel spacer. My understanding is that the ultimate compressive strength of glass is some 1000 MPa = 145,000 psi if no tension is induced. Are not the values of 2 to 10 GPa then completely irrelevant? Could anyone explain?

Thank you

Best Regards

Hi, I'm new to this forum. I work for a transparent armor company and am investigating the high number of window failures during final inspection. The issue seems to be small debris, both on and under the polycarbonate layers. I'm wondering if anyone has experience with the lamination process for ballistic glass and, specifically, any issues with the protective film on the polycarbonate?

Troubleshooting SGCC Laminated Glass Ball Drop Test Failures – ASTM F3007 Help

We’ve been running into a frustrating issue at our facility and are hoping someone in the community has dealt with this or can offer insight

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We’re currently performing in-house ball drop impact testing on laminated glass according to ASTM F3007-13, as part of SGCC production testing requirements. This test uses a 2.3 kg (5 lb) steel ball dropped from 3.66 meters (12 feet) for Class A products.

Hello everyone, I'm facing an issue with laminated glass  used in a laser machine door. 

The glass consists of two layers ( 4mm+4mm) with a black film in between. 

Recently, small transparent dots have appeared, almost as if the film is degrading or dissolving , and the glass looks foggy up close. 

Does anyone have any idea about the cause or a solution for this problem? 

Hi Folks,

I need reliable glass repair services in Clarksville, TN, and I'm looking for recommendations.

Has anyone had positive experiences with Allnite Glass or other reputable companies in the area?

Your insights would be greatly appreciated!

Regards

Are there any glass factories fretting about the stains /mold on the glass after it is sent to your customers ?  Choose the right anti- stain interleaving powder by working with a reliable powder supplier. 

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 Hi new to this forum.  If anyone in Toronto area that needs service work on there 60 inch vertical washer please contact.  

A few months ago a customer contacted us about a mildew issue under the silicone on their frameless shower.  The shower was older; probably installed in the 1990s. 

My technicians went out, disassembled the shower, cleaned the glass and tile with a clorox cleaner.  They said they ate lunch after cleaning to allow time for the cleaner to dry up.  They put it all back together using a mildew-resistant silicone from CR Laurence and told the customers not to use the shower or get the silicone wet for at least 24 hours. 

Hello. I am designing a bottom support for a 15 tempered-12A-15 tempered insulated glass with the size of 2meters*8meters tall. Could you please recommend the thickness of the setting block and calculation please. Thank you very much. the weight per sqm is 75kg/sqm.

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