Hot-selling 10mm Raschig Ring - Ceramic Mini Lessing Ring with 1.5″/2″ – Kelley
Hot-selling 10mm Raschig Ring - Ceramic Mini Lessing Ring with 1.5″/2″ – Kelley Detail:
Application
Ceramic Mini Lessing Ring can be used in the drying columns, absorbing columns, cooling towers, scrubbing towers in chemical industry, metallurgy industry, coal gas industry, oxygen producing industry,As tower packing in mass transfer application, As heat transfer media in RTO,etc.This products all after calcination 24 hours, sintering temperature is more than 1000℃ is inert products.
Technical Data
SiO2 + Al2O3 | >92% | CaO | <1.0% |
SiO2 | >70% or >47% | MgO | <0.5% |
Al2O3 | >17-23% or >23~45% | K2O+Na2O | <3.5% |
Fe2O3 | <1.0% | Other | <1% |
Physical & Chemical Properties
Water absorption | <0.5% | Moh’s hardness | >6.5 scale |
Porosity | <1% | Acid resistance | >99.6% |
Specific gravity | 2.3-2.40 g/cm3 | Alkali resistance | >85% |
Max Operation temp | 1200℃ |
Dimension And Other Physical Properties
Ceramic Mini Lessing Rings are available in variable sizes: 12*9*2mm,10*8*2mm,10*6*2mm:
Size |
OD*ID*H*T (mm) |
Weight per M3 (kg/m3) |
Number per M3 (Pcs/m3) |
Surface Area (m2/m3) |
Dry packing factor m-1 |
10mm |
10*6*8*2 |
800 |
750000 |
420 |
1250 |
2” (50mm) |
50*40*50*5 |
600 |
6500 |
145 |
565 |
3” (80mm) |
80*64*80*8 |
820 |
1950 |
120 |
356 |
4” (100mm) |
100*80*100*10 |
850 |
1000 |
110 |
252 |
5” (120mm) |
120*96*120*12 |
860 |
370 |
75 |
146 |
6” (150mm) |
150*120*150*15 |
980 |
296 |
60 |
101 |
Other size also can be produced by custom made!
Packaging & Shipping
Package Type |
Container Load Capacity |
||
20 GP |
40 GP |
40 HQ |
|
Ton bag put on pallets |
20-22m3 |
40-42 m3 |
40-44 m3 |
Plastic 25kg bags put on pallets with film |
20 m3 |
40 m3 |
40 m3 |
Cartons put on pallets with film |
20 m3 |
40 m3 |
40 m3 |
Wooden Case |
20M3 |
40M3 |
40M3 |
Delivery time |
Within 7 working days (For common type) |
10 working days (For common type) |
10 working days (For common type) |
Product detail pictures:



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It is a good way to improve our products and service. Our mission is to develop creative products to customers with a good experience for Hot-selling 10mm Raschig Ring - Ceramic Mini Lessing Ring with 1.5″/2″ – Kelley, The product will supply to all over the world, such as: Brunei, Croatia, Spain, We also have good cooperation relationships with many good manufacturers so that we can provide almost all of auto parts and after-sales service with high quality standard,lower price level and warmly service to meet demands of customers from different fields and different area.

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