Высококачественный порошок нано-силикагеля высокая чистота нано-силикагель низкая
- Категории: Silicate >>>
- Поставщик: Chongqing,Pengsheng,Industrial,Co.,Ltd.
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Products Description
Widely distributed in nature, such as quartz, quartz sand and so on. White or colorless granules, those with high iron content are pale yellow. Density 2.2 ~ 2.66. Melting point 1670°C (tridymite); 1710°C (cristobalite). The boiling point is 2230°C and the relative dielectric constant is 3.9. Insoluble in water and slightly soluble in acid, it can work with molten alkalis in granular state.
Chemical formula：SiO2
Molecular weight：60.08
Chinese name： silicon dioxide
Chinese aliases： silica, silica, silica
CAS number： 7631-86-9, also known as silica.
Molecular weight：60.08
Chinese name： silicon dioxide
Chinese aliases： silica, silica, silica
CAS number： 7631-86-9, also known as silica.
Item | Liquid—1 | Liquid—2 | Liquid—3 | Liquid—4 | ||||||||
high-class | first-class | high-class | first-class | high-class | first-class | high-class | Excellent | |||||
Iron,% ≤ | 0.02 | 0.05 | 0.02 | 0.05 | 0.02 | 0.05 | 0.02 | 0.05 | ||||
Water insoluble,% ≤ | 0.1 | 0.4 | 0.1 | 0.4 | 0.2 | 0.6 | 0.2 | 0.8 | ||||
Density(20℃)g/ml | 1.336—1.362 | 1.368—1.394 | 1.436—1.465 | 1.526—1.559 | ||||||||
Sodium oxide,% ≥ | 7.5 | 8.2 | 10.2 | 12.8 | ||||||||
Silica,% ≥ | 25.0 | 26.0 | 25.7 | 29.2 | ||||||||
Modulus | 3.41—3.6 | 3.1—3.4 | 2.6—2.9 | 2.2—2.5 | ||||||||
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FAQ
Q1: About price?
A1: The price is negotiable. It can be changed according to your quantity or package. when you are making an inquiry, please let us know the quantity you want.
Q2: How about the packaging of your products ?
A2: All our products are package with stander export and safty, such as wooden case , wooden frame, box and so on . if you special package request, pls inform with us.
Q3. How can we guarantee quality?
A3：Always a pre-production sample before mass production; Always final Inspection before shipment.
Q4. What can you buy from us?
A4：Titanium dioxide, ethylene glycol, glycerol, propylene glycol, acetic acid and other chemical raw materials, for more info, please enter our store to learn more
Q5. What we offer?
1) Good quality control
2) High competitive prices
3) Smooth communication
4) Effective OEM&ODM services
5) Language Spoken: English, Spanish, Chinese
A1: The price is negotiable. It can be changed according to your quantity or package. when you are making an inquiry, please let us know the quantity you want.
Q2: How about the packaging of your products ?
A2: All our products are package with stander export and safty, such as wooden case , wooden frame, box and so on . if you special package request, pls inform with us.
Q3. How can we guarantee quality?
A3：Always a pre-production sample before mass production; Always final Inspection before shipment.
Q4. What can you buy from us?
A4：Titanium dioxide, ethylene glycol, glycerol, propylene glycol, acetic acid and other chemical raw materials, for more info, please enter our store to learn more
Q5. What we offer?
1) Good quality control
2) High competitive prices
3) Smooth communication
4) Effective OEM&ODM services
5) Language Spoken: English, Spanish, Chinese
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