Glass Raschig RingProduct DescriptionPRODUCT :Quartz glass has
extremely low coefficient of thermal expansion, high temperature
resistance, excellent chemical stability, excellent electrical
insulation, low and stable ultrasonic delay performance, the best
UV spectral performance and visible light and near-infrared
spectral transmission performance, and has higher mechanical
properties than ordinary glass.Quartz glass is an acidic material.
Except for hydrofluoric acid and hot phosphoric acid, it is inert
to any other acid and is the best acid-resistant material. The
degree of corrosion of quartz glass by alkalis and salts at room
temperature is also extremely small, so the use of quartz glass in
these reagents is not excluded.Main features: Quartz
glass is not only resistant to high temperature, but also acid and
corrosion resistant. Good electrical insulation, etc. Product
Parameters Physical Data:SiO299.99%Bulk Density2.2g/cm3Crush
strength1100MpaFlexural strength67MpaTensile strength48MpaPoisson's
ratio0.14~0.17Working temperatureUnder 1100ºCMoh's
Hardness5.5~6.5Max temperature can reach in a short time1450ºCAcid
Resistance30times than ceramic, 150times than stainless
steelMelting point Around 1700ºCsize can be produced by
customized.Notice:1. Quartz glass products are precious materials,
and must be handled with care when using them;2. All kinds of
quartz glass have a maximum operating temperature, which should not
be exceeded during use, otherwise it will crystallize or soften and
deform;3. Quartz glass that needs to be used at high temperature
must be wiped clean before use. It can be soaked with 10%
hydrofluoric acid or lotion, then cleaned with high-purity water or
treated with alcohol. Thin-line gloves should be worn during
operation, and direct contact with quartz glass is not allowed;4.
Quartz glass products are allowed to be used continuously at high
temperature, which is good for prolonging the life of quartz glass
and improving temperature resistance. On the contrary, the
intermittent use of quartz glass products at high temperature has a
limited number of uses;5. Although the quartz glass material has
extremely high thermal stability, it can withstand severe
temperature changes. However, in actual use, due to the difference
in residual strain and product shape, the thermal stability has a
certain difference, and attention should be paid during use;6.
Quartz glass is an acidic material. Strictly avoid contact with
alkaline substances (such as water glass, asbestos,
potassium-sodium compounds, etc.) when used at high temperatures,
otherwise its anti-crystallization performance will be greatly
reduced.Packaging & Shipping /* January 22, 2024 19:08:37
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