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Pall rings

Pall rings

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Description

Pall rings

This product has excellent acid and heat resistance. It can

standup to corrosion of various inorganic acids, organic acids and organic solvents except HF. It can be used in high or low temperature. Application ranges wide. It can be used in drying, absorbing,cooling and regenerating tower in chemical, metallurgic, coal gas and sir separation industry, etc.

& Typical chemical composition

SiO2 68-72 MgO 0.6
Al2O3 18-22 CaO 0.6
Fe2O3 Max. 1 K2O 3.5-4.5
    Na2O 0.1-0.3
Soluble Fe: <0.01%
Acid resistance: 99.5%(DIN51102 sheet 2)

 

& Typical physical properties

Density g/cm³ 2.3-2.4
Water Absorption % 0-0.5
Compressive Strength N /mm² 300-500
E-Modulus GPa 60
Mohs Hardness Scale 7-8
Specific heat, 20-100 J/kgK 840-920
Thermal Conductivity 30-100 W/mK 1-1.5
Coefficient of thermal expension (20-600)10-6K-1 4.7
Heat Resistance Up to 1000

 

& Specific properties of Ceramic Pall Rings

Size Packing density

(kg/m³)

Spec.surface

(m²/m³)

Void space

(%)

Numbers per m³

 

Ø25

25*25*3.0

620 220 73 54000
Ø38

38*38*4

570 150 75 13400
Ø50

50*50*5

550 120 78 6800
Ø80

80*80*8

520 75 80 1950

 

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