CAS No.: | 7631-86-9 |
---|---|
Formula: | Sio2 * Nh2o |
EINECS: | 231-545-4 |
Classification: | Silicon Dioxide |
Grade Standard: | Industrial Grade |
Kind: | Acidic Oxide |
Samples: |
---|
Customization: |
---|
Suppliers with verified business licenses
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/m3 | ||
Whitness | 85 Min |
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 - m2/gram) | > 15 | 3200 MT/ 3 Months | > 15 & <35 | Monthly |
Bulk Density (kg/m3) | 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/m3) | Report | 400MT |
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/m3 D |
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/m3 D |
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/m3 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.
Suppliers with verified business licenses