Hydolys Group is pleased to offer premium-grade cement. Each batch is rigorously tested to ensure compliance with the highest international standards. We are proud to offer highly competitive pricing, including attractive discounts on large volumes.
We invite you to reach out for detailed specifications including chemical composition, mechanical strength, and physical properties. With solid experience in both public and private sector projects, our team is ready to support you with tailored solutions for your specific requirements.
Product Details
Packaging : 50 kg bags or big bags
Available Quantity : up to 500,000 MT
Price : starting at $65 / MT FOB
Destination : CIF at Any Safe World Port (ASWP)
This is our best sellers products :
- Cement CPA 55 CEM I 53.5 N
- Cement CPJ 45 CEM II 42.5 N
- Portland Cement CEM I 42.5 N-LH/SR5
- Portland Cement CEM II/A - L 42.5 N
- Portland Cement CEM II/A - L 42.5 R
Why Choose Hydolys Group?
In-House Production at Directly from our facilities, no intermediaries
High-Capacity Fulfillment at Ideal for large infrastructure projects
Custom Contract Options at Spot deals or long-term supply agreements
Reliable Global Logistics at Timely delivery to any ASWP
We would be delighted to discuss your requirements in detail, including pricing, payment terms, and logistics. Let's work together to provide you with a solution that is fully aligned with your operational needs. For more info, visit : https://www.hydolysgroup.com/cement
Aluminum oxide Alumina powder for Electric vacuum tube shell ceramic Al2O3
item value
Classification ALUMINA
CAS No. 1344-28-1
Other Names Alumina
MF Al2O3
EINECS No. 215-691-6
Grade Standard Electron Grade, Industrial Grade, Reagent Grade
Purity 99.5%
Appearance White powder
Application electronic ceramics
Color White
Grade Industrail Grade
Density 3.5 g/cm3
Melting point 2054
Boiling Point 2980
Molecular Weight 101.96
Shape Ionische
Water Solubility Hard
Packing 25 Kg Pp Bag or plastic barrel
Sample Availiable
Since ancient times, people have used hydrated lime to build houses and high buildings. Today, the massive architectural works and high-rise buildings are constructed more and more.
Why appear firm architectural construction?
That is cement â??important hydraulic binder in building process, helping to link projects together, forming a solid mass.
With modern advanced machines and science, abundant human resources.
Portland cement is the most common type of cement in general use around the world, used as a basic ingredient of concrete, mortar, stucco, and most non-specialty grout.
It is a fine powder produced by heating materials in a kiln to form what is called clinker, grinding the clinker, and adding small amounts of other materials. Several types of Portland cement are available with the most common being called ordinary Portland cement (OPC) which is grey in color, but a white Portland cement is also available.
50 kg und big bags (1.000kg & 1.500kg) or bulk or at buyers option
Delivery terms : fifteen (35) days to forty five (45) days following sellerÆs receipt lc
From buyer or from reseller in shipments of 12500/ 25.000 /50000
Mt per vessel /
United states astm c-150, british bs 12/1996, european en-197 1/2000
Or russian m-400 or m-500.
Chemical composition
Silicon dioxide (sio2) 21.00
Aluminium trioxide (al2o3) 5.50
Ferric oxide (fe2o3) 3.30
Calcium oxide (cao) 65.60
Magnesium oxide (mgo) 1.40
Sulphate (so3) 2.70
Loss on ignition (loi ) 1.40
Dicalcium silicate (c2s) 15.00
Tricalcium silicate (c3s) 60.00
Tricalcium aluminate (c3a) 8.05
Tricalcium alumino ferric (c4af) 9.76
Physical and mechanical properties
Fineness by blain cm/g 3250
Autoclave expansion 0.02
Initial setting time (vicat) 105 minutes
Final setting time (vicat) 135 minutes
Compressive strength 03 day's 230 kg/cm2
Compressive strength 07 days 305 kg/cm2
Compressive strength 28 day's 420 kg/cm2
Product packing : 50 kg und big bags (1.000kg & 1.500kg) or bulk or at buyers option
