Quartz, or fused silica, can be machined like any other ceramic material thanks to diamond tools. Thus Microcertec can realize customized parts made of quartz with various sizes and shapes, high level of precision but without any optical required performances or surface finish. The most important properties of the quartz is its low coefficient of thermal expansion. From an optical point of view, the quartz is generally transparent to the infra-red wavelenghts. Selection of materials Microcertec uses standard grades of quartz from well-known producers like GE or Heraeus. We machine both quartz standard quality as well as semiconductor and optical grade quartz. Properties From a general point of view, quartz shows : - good electrical insulation - very small coefficient of thermal expansion - good thermal insulation - good thermal resistance - transparence to the infra-reds - vaccum resistance Our typical applications Quartz is mainly used as : - electrical insulators - thermal...
COSMOCHROME LTD
Greece
QUARTZ PRIMER primer is a special primer used as an adhesion bridge upon smooth surfaces such as metal, floated concrete, mosaics and tiles. QUARTZ PRIMER is used prior to the application of cement based adhesives, self-leveling compounds as well as for the decorative layers cement and granite
Request for a quoteEUROQUARTZ LTD
United Kingdom
CX11LHG crystals are high performance devices designed to survive extreme shock and high vibration environments. Low acceleration sensitivity and low ageing performance are coupled with tight calibration and temperature tolerances. This is a Statek product designed and manufactured by Statek Inc, USA. Contact Euroquartz Sales or Technical for details CH11LHG crystals are designed for extreme environments. This crystal is ideal for use where extreme mechanical shock occurs.
Request for a quoteHAOBO STONE COMPANY LIMITED
China
1) years experience in manufacturing and exporting business, above 80% for sale abroad. 2) Advanced machine tools and qualified personnel. 3) Attend international stone fair every year and design new products every season. 4) 100% self-designed, own CAD designers, any designs, shapes, sizes are available. 5) Well-chosen materials and superior designers focus on meeting every requirement. 6) Excellent working environment, convenient transportation to Xiamen Port. 7) Own shipping company in Xiamen, fast and safe shipping service. 8) At present, we has exported to more than 30 countries in the world.
Request for a quoteQUARZGLAS KOMPONENTEN UND SERVICE QCS GMBH
Germany
A quartz material / glass-encased, spiral-shaped, electrical heating coil with a large surface, which is mounted in a quartz material reflector shell with a handle, allows liquids to be heated indirectly by infrared radiation. This is used for the fast, economical evaporation or concentration of liquids. Due to this principle, only the surface of the liquid is heated very strongly, as the thermal radiation is absorbed even after shallow penetration, thus enabling gentle, uniform evaporation.In contrast to boiling evaporation, there is no loss of substance due to splashes from a moving boiling surface. Since surface evaporators are made exclusively from the material fused quartz / glass, it is possible to use the advantages of the material, such as good IR permeability, heat and heat change resistance, lowest electrical conductivity, exceptionally high chemical purity and resistance as a material. It complies with EC Directive 89/336 / EEC and EC Directive 73/23 / EEC.
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