What are the properties of silica glass? Silica glass has specific properties which cannot be seen in other materials. For example, rigidity, pulling strength, bending strength and the like rise with a temperature rise, and
What are the properties of silica glass?
Silica glass has specific properties which cannot be seen in other materials. For example, rigidity, pulling strength, bending strength and the like rise with a temperature rise, and culminate at from 800 degree C to 1,000 degree C, and suddenly decrease at the temperature exceeding such specified temperatures.
What is fused silica glass used for?
Fused silica and quartz are used in the manufacture of many optical parts—such as lenses, mirrors, UV and IR transmitting optics, and metrology components—due to their ability to transmit light in the visible, ultraviolet, and infrared range. Semiconductors.
What is the density of fused silica glass?
2
What is the percentage silica in fused silica glass?
2.1. 79.2 Fused silica
| Name: fused silica | CAS #: 60676-86-0 | |
|---|---|---|
| Chemical composition: SiO2 − 98.5-99%, Al2O3 − 0.25-1%, Fe2O3 − 0.05% | ||
| PHYSICAL PROPERTIES | ||
| Density, g/cm3: 1.5-2.2 | Mohs hardness: 6.5-7 | Loss on ignition, %: 0.1-0.45 |
| Thermal conductivity, W/mK: 1.1-1.5 |
What is high silica glass?
High silica is a glass fiber product with high temperature resistance which is developed in the study on the mechanism of glass phase separation.
What is silica glass definition?
Filters. A very clear, strong glass produced when pure silica is fused at high temperature, used as in optical instruments. noun. Any of various types of glass containing primarily silica in amorphous (non-crystalline) form.
How strong is silica glass?
The theoretical tensile strength of silica glass is greater than 1 million psi.
Is silica a glass?
The sand commonly used to make glass is comprised of small grains of quartz crystals, made up of molecules of silicon dioxide, which is also known as silica. The glass most people are familiar with is soda-lime glass, which is a combination of soda (also known as soda ash or washing soda), limestone, and sand.
Is silica glass safe?
Borosilicate glass is a type of glass whose main components are silica and boron trioxide. It is known for being durable and very heat resistant. In fact, borosilicate glass is perfectly safe to use in both kitchen and laboratory applications.
Which type of glass is obtained from pure silica?
Fused quartz, fused silica or quartz glass is a glass consisting of almost pure silica (silicon dioxide, SiO2) in amorphous (non-crystalline) form.
Fused Silica is a light material. Its density is 2
Which is better quartz or fused silica for optics?
Fused quartz glass also features virtually the same chemical strength as Fused Silica. It still offers a better UV transparency than most other glass materials and the same crystal clear appearance as optical grade quartz glass. Fused quartz glass is significantly more economical than High-End quartz glass used for optics.
What are the different grades of fused silica?
Fused Silica is offered in many different grades to support various product applications. Glass codes 7980, 7979, and 8655 are high purity non-crystalline silica glasses with excellent optical qualities.
Is the refractive index of fused silica dependent on temperature?
Temperature Dependence of Refractive Index The refractive indices of the glasses are not only dependent on wavelength, but also upon temperature. The dn/dT for Fused Silica is 1.1×10 -5 /ºC at 1064nm, near room temperature.