Toughened tempered fluid reflex flat level indicator sight glass

Product Name

Gauge Glass, Reflex Gauge Glass, Sight glass, level Gauge glass

Material

Aluminosilicate glass, Borosilicate glass

Color

Transparent, Red, Green

Density

2.62-2.67g/cm3

Transmissivity

91.8%(8mm),91.9%(1mm)

Hardness

>7

Tensile strength

4.8x107pa(N/M2)

Compressive strength

(0-300) 3.3±0.1×10-6K-1

Poisson's ratio

0.18

Coefficient of thermal expansion

(0-300) 4±0.1×10-6K-1

Thermal conductivity

1.2W·m-1·k-1

Softening point

820±10°C

Annealing point

560°C 

Strain point

516±10°C

Electrical resistivity

>1018 Ωm

Dielectric constant

 4.6 1 MHz, 25

Size

Width: 25-35 mm.

Length: 70-400 mm.

Thickness: 15-25 mm.

1. More than 15 years experiences on glass manufacturing and exporting

2.Top quality glass with CE certificate, exporting to more 60 countries in the world

3.Unique designed strong wooden cases , solving the problem of  breakage

4.Professional sales team, Personalized and focused service available 24 hours.

Feature

1.Resistance to high temperature of 400°C.

2.Light transmittance 93%.

3.Boiler use,Acid and alkali resistant to corrosion.