Item specifice

                                                                                      Borosilicate Heat-resistant glass3.3(BG3.3)

Product Introduction

Borosilicate glass 3.3, also known as "bulletproof borosilicate glass," is a type of strong and durable glass that has been widely used in the manufacturing of bullet-resistant windows for many years. It is made from boron silicate which has a very high melting point and can withstand extremely high temperatures without breaking or shattering. This makes it ideal for use in applications that require protection from bullets or other projectiles, such as security guards' booths, military installations, banks and airports.

The most common form of bulletproof borosilicate glass is Grade 3.3 (sometimes referred to as BORO33), which has an impressive resistance to impact damage compared to its non-bulletproof counterparts. This grade of borosilicate was developed specifically with ballistic performance in mind and meets the requirements set out by various international standards - including EN 1063 (the European Standard) and UL 752 (the American Standard). The safety rating achieved by this product reflects its ability to stop different levels of ammunition travelling at different speeds without breakage or significant deformation; even when multiple rounds are fired consecutively at close range. As bulletproof glass, borosilicate 4.0 glass also has a remarkable characteristic of high transmittance. In this way, when used as bulletproof glass, you can clearly observe the external things through the glass.

Advantages

• Fire protection duration exceeding 2 hours
  

• Outstanding mechanical strength, 8-10 times stronger than ordinary  glass
  

• Small specific gravity, more than 8% lighter than ordinary soda lime silica glass

• Higher light transmittance 
  

• Stable chemical property

• Without self-explosion

• Excellent ability at thermal shack

  
  

Important benefits:

• Excellent thermal resistance

• Higher transparency

• Stable chemical property

• Outstanding mechanical strength

Bulletproof glass is mainly used in the following fields:

① Aviation field: such as fighter aircraft, assault aircraft, and bulletproof glass.

② Ground: bulletproof glass for cars, trucks, and forward observation posts.

③ Sea area: such as ships and submarines stealing ports.

④ Automobile industry: bulletproof cash-carrying vehicles, family cars, etc.

⑤ Construction industry: in banks or other places with high safety performance requirements. Anti theft glass is mainly used in bank vaults, warehouses, display cabinets for jewelry, electronics, and other expensive items, as well as valuable commodity counters.

Thickness Processing

The thickness of the glass ranges from 2.0mm to 20mm, 

Size: 1150*850 1700*1150 1830*2440 1950*2440 

 the maximum size can reach 3660*2440mm, other specifications can be produced according to customer requirements.

Processing

Pre-cut formats, edge processing, tempering,drilling, coating, etc

Technical Data (Thermal properties）

Coefficient of Linear Thermal Expansion (C.T.E) α (20°C~300°C): 3.3×10-6 K^-1

Specific heat capacity cƤ (20-100°C) :0.83kJ/(kg·K)

Thermal conductivity λ (90°C):1.2 W/(M·K)

Heat shock temperature:240°C

Annealing Point:560°C

Strain Point: 510°C

Optical data

Optical index of refraction:1.48

Mechanical properties

Density ρ (25°C) :2.23ɡ/cm³

Young's Modulus E (according to DIN 13316):64 kN/mm²

Poisson's Ratio μ (according to DIN 13316):0.2

Our company has passed the SGS certification 、SISO9001:2015 certification, and we have also passed the Certificate China National Compulsory Product Certification.Our company has obtained more than 20 national patents,and fireproof glass test report.

Company Introduction

                                                     China Yaohua Glass Group Co., Ltd.

Founded in 1922, China Yaohua Glass Group Co., Ltd. (hereinafter referred to as "Yaohua Group”) is a second-tier subsidiary of Triumph Science&Technology Co. ,Ltd. It is the first manufacturer in Asia to continuously produce flat glass by machine,and is known as “the cradle of Chinese glass industry”.

Yaohua Group, as the core platform of Triumph Science & Technology Group for high-quality float and special glass, now has 14independent legal entity enterprises, with assets of over 10-billion-yuan, annual revenue of more than 5 billion yuan and total annual profit of more than 1 billion yuan. The group covers 10 prefecture-level cities in six provinces including Heilongjiang, Hebei, Shandong., Henan, Anhui and Sichuan, with 4000 employees. 

It has three sectors float glass, special glass and deep-processing glass. The special glass unties composed of ENGYANG TRIUMPH SILICON MATERIALS CO., LTD. 、 Qinhuangdao Scinan Specialty Glass Co., Ltd.、Triumph Bnegbu Glass Co., Ltd. and CNBM(PUYANG) PHOTOELECTRIC MATERIALS CO., LTD.

                                                                  Qinhuangdao Scinan Specialty Glass Co., Ltd.

Company Introduction

Founded in 2009 with 65.47 million registered capital and 162 employees, Qinhuangdao Scinan Specialty Glass Co.,Ltd. formerly known as “Qinhuangdao Yaohua Special Glass Co., Ltd.”. The company’s leading products borosilicate flat glass, the annual production capacity of 16425 tons, the products to 3.3 borosilicate flat glass based.

Qinhuangdao Scinan Specialty Glass Co.,Ltd. has researched and developed borosilicate glass products for about 20 years, and has a technical team with excellent professional knowledge and rich experience.

Located in Funing District, Qinhuangdao, the new park is expected to have an annual production capacity of 17,520 tons. It plans to produce 2.6 borosilicate and 3.3 borosilicate glass for household appliances， and 4.0 borosilicate fire-resistant glass. The project is expected to be completed by the end of 23 years.

Our service

We provide high-quality services throughout the process:

Before sales, we provide professional product introduction

In sales, we provide high-quality products

After sales, we have a perfect after-sales system

Our advantage

It is the first high-tech enterprise in China to produce borosilicate flat glass products by full electrofusion technology. At present, the domestic market share industry ranks first. The core technology of the production line is self-developed, the key equipment is the most advanced industrial products, the company set borosilicate flat glass production, processing, sales and service as one, sales network has been spread throughout the country and many countries and regions of the world.