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
Key attributes
Industry-specific attributes
Warranty : 1 Year
After-sale Service : Other
Project Solution Capability : Others
Application : Custom
Design Style : Custom
Other attributes
Place of Origin : Egypt
Brand Name : Cairo_M2
Model Number : portland cement Egypt-001
Feature : Custom
Type : Silicate Cement / Portland Cement
Hardening Feature Extra Rapid Hardening
Heat of Hydration : Moderate Heat
Strength Grade(Mpa) : Min 42.5 and Max 62.5 MPa
Packaging and delivery
Packaging Details ; As Per Customers Requirements
Port Cairo
Supply Ability : Supply Ability 1000 Ton/Tons per Month
AHD Trading is an import and export business located in the USA. We can supply GREY PORTLAND CEMENT 42.5 TYPE 1 from Pakistan. We look forward to servicing you to the best of our ability. Serious inquiries only.
Packing:
2. 50kg per bag X 20 bags into a 1MT sling bag
The typical performance during using:
1. Steady and high quality, low fluctuate, and rich in strength grade.
2. Good workability and adaptability with additives.
3. Long term steady in color, wide used in the construction of modest color building.
4. Low bleeding is applicable to produce concrete.
5. Freeze-proof, abrasion resistance.
6. Steady solidity ratio, the volumetric shrinkage basically reach to balance at one-year age, up to the high standard of international and domestic.
7. Meanwhile, its low slump loss meets the need of the long distance delivery of concrete-mixer.
Attention:
1. Pay attention to store, and avoid moisture.
2. Cannot mix different type cement together.
3. To select certain type and grade cement reasonably.
4. Stick to pre-testing of concrete.
5. To carry out specificity testing, work out the best mix ratio.
We can supply grey portland cement 42, 5 n/r shall conform to international standard. Direct from seller
Produktanalyse 42, 5 n/r
Grey portland cement 42, 5 n/r shall conform to international standard
Specifications:
Origin: russia / ukraine / pakistan
The cement must have got the "ce mark" and une 197-1/2000)
Chemical analysis
Rate of discharge : minimum 1.500 m/ton per day
Formula typical analysis chemical analysis sio2 silicon
Dioxide 21 % al2o aluminum oxide 5.30 % fe2o3 ferric oxide 3.30
% cao calcium oxide 65.60 % mgo magnesium oxide 1.10 % so3 sulphur
Trioxide 2.70 % loi loss of ignition 0.90 % c3a tricalcium
Aluminates 8.05 % c3s tricalcium silicate 60.00 % c2s dicalcium
Silicate 15.00 % c4af tricalcium aluminous ferric 9.76 % physical
Tests blaine 3.250 cm2/g autoclave expansion (le chat) 0.02
Mm compressive strength 3- days 230 kg/cm2 7- days 305
Kg/cm2 28- days 420 kg/cm2 initial setting time (vicat test)
105 min final setting time (vicat test) 135 min
We are pleased to offer premium Portland Cement , available in CEM I and CEM II grades, conforming to ASTM I/II standards.
Product Features:
High compressive strength and durability.
Ideal for various construction applications (residential, commercial, and industrial).
Meets strict international quality standards.
PORTLAND GREY CEMENT
(CEM I 42.5 N & CEM I 32.5 N)
We are supplying ASTM C150/2007 Type I grey cement products (CEM I 42.5N & CEM I 32.5N). Moreover, we are also offering flexible and attractive delivery in 25 / 40 / 50 Kg Bags, Sling bags, Jumbo bags, Shrink Wrap, Bulk.
Specifications (Meeting European Standard Specifications (EN 1-197 /2004) and American Standard Specifications (ASTM C150/2007 Type I):
CEM I 42.5 N
CEM I 32.5 N
USES Used in all types of construction, which need high early compressive strength, such as bridges, tunnels, prefabricated floor, and precast concrete. Used in all concrete construction such as reinforced buildings, water tanks, roads, and any other building works, which are not subjected to sulphate effect.
It also can be used in relevant industries of the construction, as hollow and solid blocks, tiles and railway line concrete supports
MgO
1.2% 1.6%
SO3
2.5% - 3% SO3
2.5% - 3% SO3
Chloride
0.02% - 0.04% Cl
0.02% - 0.04% Cl
LOSS ON IGNITION
1% - 1.5 %
2% - 3%
INSOLUBLE RESIDUE 0.30% - 0.5% 0.4% - 0.7%
SURFACE AREA (BLAINE)
3200 - 3300
3100 - 3300
SOUNDNESS
0 - 1 mm
0 -1 mm
COMPRESSIVE STRENGTH
2 DAYS
18 - 23 N/mm2
15 -19 N/mm2
7 DAYS 30 35 N/mm2 24 27 N/mm2
28 DAYS
Key attributes
Industry-specific attributes
Warranty 1 Year
After-sale Service Other
Project Solution Capability Others
Application Custom
Design Style Custom
Other attributes
Place of Origin Egypt
Brand Name Cairo_M2
Model Number portland cement Egypt-001
Feature Custom
Type Silicate Cement / Portland Cement
Hardening Feature Extra Rapid Hardening
Heat of Hydration Moderate Heat
Strength Grade(Mpa) Min 42.5 and Max 62.5 MPa
Packaging and delivery
Packaging Details As Per Customers Requirements
Port Cairo
Supply Ability
Supply Ability 1000 Ton/Tons per Month
First, I would like to introduce our company:
Thu Duc New Company - is one of the exporters of high quality Cement directly from factories in Vietnam, according to standards: ASTM C150 (USA), Europe EN 197-1:2011. We are supplying Cement to many reputable cement factories domestically and throughout Southeast Asia, Europe, South America, Africa... Our factory can supply 500,000 tons/month. Thu Duc New Company always puts quality first, puts criteria first, always strictly controls each process, each stage. To be able to meet all your needs with competitive prices and high quality.
-Order quantity from: 10,000 - 20,000 tons, please inform 15 days in advance.
- Order quantity from: 20,000 - 50,000 tons, please notice 25 - 30 days in advance.
- Packaging: 40kg, 50kg, 1 ton Jumbo bag (or according to customer request)
-Scope of the seller: Transporting goods to the port, Loading and unloading on ships.
-Buyer scope: Vessel arranged by you, sea freight charges, marine insurance and other ship related expenses paid by you (About packing, shipping 2 sides can negotiate)
Regarding payment terms: T/T, L/C - should be applied with 30% of the contract value within 5 working days from the date of signing the contract, 70% of the remaining contract value after the goods are delivered to the port.
If you have any other questions, I will be able to provide you with any advice or information that you require.
We look forward to hearing from you soon.
