Dear Sir/Madam,
I'm Joe from CNBM who is in charge of borosilicate glass. CNBM is the largest building material supplier in China with 300 subsidiary factories and branch companies in six countries, I got your information from the internet and hope to establish long-term mutual-beneficial business relationship with you.
Please allow me to have a short introduction of our products as below:
Series One: borosilicate 3.3 heat-resistant glass
Water resistance (International Organization for Standardization 719): Grade A
Acid resistance (International Organization for Standardization 195): Grade A
Alkali resistance (International Organization for Standardization 695): Grade B
Series two: borosilicate 4.0 fire-resistant glass
The maximum fire resistance time is 3 hours
Ultra-low expansion coefficient, 2/5 of the expansion coefficient of ordinary soda lime silica glass
Ultra-high mechanical strength, 2.5 times stronger than ordinary soda lime silica glass
Small specific gravity, more than 8% lighter than ordinary soda lime silica glass
Ultra-clear with over 91.5% light transmittance
Super water and chemical resistance
The thickness of the glass ranges from 2.5mm to 15mm, and the maximum size can reach 4800mm×2440mm.
Please feel no hesitation to contact me for any question and your kind reply will be highly appreciated.
Warm Regard
Joe
xunpan@okorder.com
Whatsapp: +8617190086776
WeChat : 
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