Densified/Undensified Microsilica/ASTM Silica Fume for Concrete Silica Cement Materials 85%-95%

• CAS No.: 7631-86-9
• Formula: Sio2 * Nh2o
• EINECS: 231-545-4
• Classification: Silicon Dioxide
• Grade Standard: Industrial Grade
• Kind: Acidic Oxide
• Model NO.: ASTM C1240,CEN EN13263,GB/T 18736-2017,JISA6207: 2
• Quality: First Class
• Standard: ASTM C1240,Cen En13263,GB/T 18736-2017
• Transport Package: Plastic Bag N. W. 25/50/1000kg
• Specification: 0.15~0.20um
• Origin: China
• HS Code: 2811220000
• Production Capacity: 50 Ton/Year

Product Description

 

We are a comprehensive enterprise integrating R&D, production, sales and operation of silica fume powder, which can independently complete product production and equipment inspection, we can meet the different needs of different customers in different industries.

White Silica Fume                      (300-450kg/m3)

   Undensified Silica Fume              (260~450kg/m³)
   
Densified Silica Fume              (500~650 kg/m³)

      SIO2: 85%, 92%,94%,96%,99%

 

White Silica Fume

Place of Origin: Henan, China( Mainland )	Color: White
SiO2: ≥94	Bulk Density: 300-450kg/m3
Whitness: ≥85	PH: 3-4
Package: 25kg/ plastic bag OR 500kg/ jumbo bag	Application: Electronic materials, plastics, paint coatings, silicone rubber, adhesives, high-grade ceramics, precision casting and other industries.

 

White Silica Fume
Analysia/ Properties		Value
SiO2	Silicon Dioxide	Typical	94.0% Min
ZrO2	Zirconium Dioxide	Typical	3.0% Max
CaO	Calcium Oxide	Typical	1.0% Max
Fe2O3	Iron Oxide	Typical	1.0% Max
TiO2	Titanium Oxide	Typical	1.0% Max
Al2O3	Aluminum Oxide	Typical	1.0% Max
Loss On Ignition		Typical	1.0% Max
PH Value		6-9
Bulk Density ( As Packed)		200-350kg/m^3
Whitness		85 Min

 

85% Densified /Undensified Silica Fume

Place of Origin: China	Color: Grey
Existing Form: Powder	SiO2: ≥85.0%
Bulk Density: 550-700kg/m3	Specific Surface: 15-27m2/g
Package: 25kg/ plastic bag, 950kg/ jumbo bag, 1000kg/ jumbo bag	Application: Large-scale concrete engineering, mortar, floor, pipe, pile etc.

85% Microsilica ( Silica Fume )
Chemical & Physical Analysis Chemical & Physical Analysis	ASTM C1240 - 03		EN 13263 : 2005
	Spec.	Frequency	Spec.	Frequency
SiO2 (%)	> 85.0	400 MT	> 85	Weekly
SO3 (%)			< 2.0	Weekly
Cl (%)			< 0.3	Weekly
Free CaO (%)			< 1.0	Weekly
Free Si (%)			< 0.4	Monthly
Alkalies (As Equivalent Na2O. %)	Report	400 MT
Moisture (%)	< 3.0	400 MT
Loss On Ignition. LOI (%)	< 6.0	400 MT	< 4.0	Weekly
Specific Surface (BET - m^2/gram)	> 15	3200 MT/ 3 Months	> 15 & <35	Monthly
Bulk Density (kg/m^3)	Report	400 MT
Pozz. Activity Index (%) - 7 Days  Accelerated Curing	> 105	3200 MT/ 3 Months
Pozz. Activity Index (%) - 28 days  Normal curing			> 100	Monthly
Retained On 45 Micron Sieve (%)	< 10	400 MT
Variation From Avg. Retained On 45  Micron (%-points)	< 5	Avg. Of Last 10 Tests
Density (kg/m^3)	Report	400MT

 

92% Densified /Undensified Silica Fume

Place of Origin: China	Color: Grey
Existing Form: Powder	SiO2: ≥92.0
Bulk Density: 550-700kg/m3	Specific Surface: 15-27m2/g
Package: 25kg/ plastic bag, 950kg/ jumbo bag,1000kg/ jumbo bag	Application: High-strength concrete, oil field cementing, bridges, etc.

92% Densified Microsilica
Analysis/ Properties		Limits
SiO2	Silicon Dioxid Amorphous	Min	92%
C	Carbon	Max	2.00%
Fe2O3	Iron Oxide	Max	1.00%
Al2O3	Aluminium Oxide	Max	2.00%
CaO	Calcium Oxide	Max	1.20%
MgO	Magnesium Oxide	Max	0.50%
K2O	Potassium Oxide	Max	1.50%
Na2O	Sodium Oxide	Max	0.50%
H2O	, As Packed	Max	1.00%
Loss on Ignition At 975 C		Max	3.00%
Coarse Particles >45µm (325mesh)		Max	1.00%
pH Value ( Fresh )		4.5-7.5
Bulk Density(As Packed)		500-700kg/m^3 D

94% Densified/Undensified Silica Fume

Place of Origin: China	Color: Grey
Existing Form: Powder	SiO2: ≥93.0
Bulk Density: 550-700kg/m3	Specific Surface: 15-27m2/g
Package: 25kg/ plastic bag, 950kg/ jumbo bag,1000kg/ jumbo bag	Application: Large concrete engineering, mortar, floor, pipe pile, etc.

94% Densified Silica Fume
Analysis/Properties		Value
SiO2	Silicon Dioxide Amorphous	Min	94%
Fe2O3	Iron Oxide	Typical	0.19%
Al2O3	Aluminium Oxide	Typical	0.27%
CaO	Calcium Oxide	Typical	0.26%
MgO	Magnesium Oxide	Typical	0.49%
K2O	Potassium Oxide	Typical	0.50%
Na2O	Sodium Oxide	Typical	0.38%
P2O5		Typical	0.26%
MnO	Manganese Oxide	Typical	0.25%
TiO2	Titanium Oxide	Typical	0.21%
Loss on Ignition		Typical	2.88%
Coarse Particles >45µm (325Mesh)		Max	1.20%
Bulk Density(As Packed)		500-700kg/m^3 D

96% Densified/Undensified Silica Fume

Place of Origin: China	Color: Grey
Existing Form: Powder	SiO2: ≥95.0
Bulk Density: 550-700kg/m3	Specific Surface: 15-27m2/g
Package: 25kg/ plastic bag, 950kg/ jumbo bag,1000kg/ jumbo bag	Application: Concrete, Refractory, High Performance Concrete, Oil and Gas Industry,etc.

96% Densified Silica Fume
Analysis/Properties		Value
SiO2	Silicon Dioxide, Amorphous	Min	95%
Fe2O3	Iron Oxide	Typical	0.21%
Al2O3	Aluminium Oxide	Typical	0.08%
CaO	Calcium Oxide	Typical	0.11%
MgO	Magnesium Oxide	Typical	0.21%
K2O	Potassium Oxide	Typical	0.32%
Na2O	Sodium Oxide	Typical	0.24%
P2O5		Typical	0.09%
MnO	Manganese Oxide	Typical	0.04%
TiO2	Titanium Oxide	Typical	0.01%
Loss On Ignition		Typical	2.63%
Coarse Particles >45µm (325Mesh)		Max	1.20%
Bulk Density (As Packed)		500-700kg/m^3 D

 

Packaging & Delivery

10kg soluble paper bags x 84 on the pallets.
20kg soluble paper bags x 42 on the pallets.
950kg plastic woven bags x 2 on the pallets(with or without bottom output )
1000kg plastic woven bags x 2 on the pallets(with or without bottom output )
500kg plastic woven bags x 2 on the pallets (with or without bottom output )
We can also produce according to your requirement.