Product Description
Professional of Illuminator for Liquid Level Gauges, Illuminators for Tank manufacturers. Specialize in manufacturing Illuminator for Sight Flow Indicators in China.
Oil level Sight glasses, sight gauge, sight gage, oil level indicator, liquid sight glass
lighting for sight glasses-sight flow indicators- Light Fittings
Tianjin U-ideal Instrument are professional Plastic Sight Flow Indicators, Dual Window Sight Flow Indicators, Tubular Sight Flow Indicators, Lined Sight Flow Indicators, Flap and Paddle wheel indicator, ANSI Sight Flow Indicators manufacturers and factory. More types of Sight Flow Indicators wanted, please contact us right now!
Flow Indicator with Rotor, Flow Indicator with Rotor and Self Cleaning Mechanism. Professional of Flow Indicator with Rotor, Flow Indicator with Rotor and Self Cleaning Mechanism manufacturers. Specialize in manufacturing Self Cleaning sight Glass in China.
Plastic Sight Flow Indicators, Dual Window Sight Flow Indicators, Tubular Sight Flow Indicators, Lined Sight Flow Indicators, Flap and Paddle wheel indicator, ANSI Sight Flow Indicators
Stainless Steel Fittings, Tubes, Pipes, Ball Valves, Pipe Fittings, Flanges
Circular Sight Glasses, Oblong Sight Glass, Sight Glass with Wiper, Flange Sight Glass, Quick Opening Sight Glasses.
Wipers for Sight Windows, Wipers for Sight glasses, Sight glasses, Sight Guage, Circular Sightglass Wiper and Cleaning.
Rectangular SIght Glass FIttings.
Obround Sight Glass. Hinged Sight Glasses, Double Safety Sight Glass, Pressure Vessel Sight Glass,
Circular Sight Glasses, Threaded Lens Retainer Cap Mounts Sight Glass, Slip-On Sight Glass, Weld Pad Sight Glasses, Threaded Circular Sight Glasses, Dual-Window Sight Glass, Non-Hazardous Location Lighting For Sight Glasses, Sight Glasses with Wiper for Ports, Sight Glasses Window Wiper
Borosilicate glass properties |
1. Mechanical performance |
Density ρ: |
2.22±0.02g/cm3 |
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2. Thermodynamic performance |
Coefficient of thermal expansion: |
(0-300ºC) 4.5±0.1×10-6K-1 |
Soften Point: |
820±10ºC |
strain point: |
510±10ºC |
specific heat: |
(20-100ºC) 0.82KJ×(×K)-1 |
Thermal conductivity: |
1.25W×(m×K)-1 |
thermal shock resistance: |
110 K |
enhancement type: |
>180 K |
temperature performance: |
120 K |
enhancement type: |
>180 K |
Max. working temperature: |
short period (<10h) 350ºC |
long period (>10h)300ºC |
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3. Chemical performance |
Water tolerance: |
ISO719/DIN12111 HGB1 |
ISO720 HGA1 |
acid proof |
ISO1776/DIN12116 1 |
alkali proof |
ISO695/DIN52322 A2 |
4. optical property |
refractive index: |
Nd:1.47380 |
transmittance: |
>90% |
5. Electrical performance |
electrical resistivity: |
lgρ 260ºC 8.0Ω× |
dielectric loss: |
tanσ(1 megacycle 20ºC) 38×10-4 |
dielectric constant |
ε=4.6 |
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