Quartz Distilling Flask

Quartz Distilling flask

Volume/ml

Outer diameter for neck/mm

Outer diameter for flask/mm

Full height/mm

Outer diameter for branch pipe/mm

Branch pipe length/mm

Mini wall thickness/mm

50

22

51

135

7

80

0.8

100

22

64

150

7

100

0.8

250

34

85

200

8

125

0.9

500

34

105

250

8

150

0.9

1000

42

131

300

9

180

1.3

2000

50

166

408

10

225

1.5

3000

50

185

450

11

250

1.8

5000

50

223

530

12

290

1.8

Physical Properties

Values

Purity

＞99.99%

Density

2.2g/cm³

Transparency

＞90%

Mohs Hardness

5.5--6.5

Deformation Point

1280℃

Softening Point

1750℃

Annealing Point

1250℃

Specific Heat (20 - 350°C)

670J/kg.℃

Thermal Conductivity (20°C)

1.4W/m.℃

Heat Conductivity (w/m.k,1000 ℃ )

1.0-1.2

Refractive Index

1.4585

Coefficient of Thermal Expansion

5.5*10 ^-7cm/cm.℃

Hot - working Temperature

1750--2050℃

Short - term Service Temperature

1450℃

Long - term Service Temperature

1100℃

Chemical Properties

Values

Acid resistant

Strong Acid(except HF),Strong alkali, organic solution

High temperatures Corrosion resistant

Excellent

Metal Impurity Content

＜5 ppm

Electrical Properties

Values

Resistivity

7*10⁷Ω.cm

Insulation Strength

250~400Kv/cm

Dielectric Constant

3.7~3.9

Dielectric Absorption Coefficient

＜4*10^-4

Dielectric Loss Coefficient

＜1*10^-4

Mechanical Properties

Values

Compressive Strength

1100MPa

Bending Strength

67MPa

Tensile Strength

48MPa

Poisson's Ratio

0.14~0.17

Young's Modulus

72000MPa

Shear Modulus

31000MPa