External Translucent Onyx Glass Laminate

bacstone glass is produced through innovative patented technology combining glass and stone processing skills without using any liquid resin glue.

Bacstone glass is comprised of double extra clear glass laminated with extra thin natural stone layer by GS interlayer. with our special edge treatment and special water resistant formula, the finished bacstone glass is idea for external glass stone facade with the ability to resist on humidity，UV radiation.

1. Boiling Test

One Bacstone glass sample and one control sample is immersed in boiled water for 3 hours to compare the test result:

2. Pummel Test

One bacstone glass sample and one control sample are stored in -18 celsius degree for one hour and then conditioned in room temperature one hour. 0.454KG flathead hammer to pummel the sample

3. Humidity Resistance Test

One bacstone sample and one control sample are immersed in boiling water one hour and then conditioned one hour in room temperature and finally soak in water tank for three months to compare the humidity resistance result.

4. UV Radiation Test

One bacstone glass sample is conditioned in outside natural weather for three years to check UV radiation Resistance.