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- Brand:hebei qujie
- Model:25kg/bag
- Purity:≥99%
- Cas:7631-86-9
- Createtime: 2026-06-09
- Updatetime: 2026-06-09
| useage | Reinforcing agents, adhesives/sealants, anti-caking agents, abrasives, etc. |
| deliveryInfo | |
| appearance | white powder |
| aliasen | |
| supplyCapacity | 70T/Month |
| harbor | tianjin qingdao shanghai |
| minorder | 1KG |
Description:
Silicon dioxide occurs almost everywhere on earth. It is one of the most important and abundant oxides on earth, constituting about 60% weight of the earth's crust as silica itself or in combination with other metal oxides in silicates. It commonly is found as sand in the vast ocean and river shores, their beds, deserts, rocks, and minerals.
Silicon dioxide exists in several structural forms: polymorphic crystalline silica, synthetic quartz crystals, amorphous silica, and vitreous silica. This classification is not complete as there are other forms of silica synthesized for specialized applications.
Application:
Reinforcement filler in elastomers
Rheology and thixotropy control of liquid systems, binders, polymers, etc.
Used as anti-settling, thickening, anti-sagging agent
Improvement of free flow and anti-caking characteristics of powders
High transparency

| Melting point | >1600 °C(lit.) |
| Boiling point | >100 °C(lit.) |
| density | 2.2-2.6 g/mL at 25 °C |
| vapor pressure | 13.3hPa at 1732oC |
| refractive index | 1.46 |
| Fp | 2230°C |
| storage temp. | 2-8°C |
packing:25kg/bag or according to the quantity you want
Delivery Detail: Some of the products can be supplied within 7 days on the strength of warehouse.
Receipt Reminder: Please check the package for intact condition before signing for delivery. Should you encounter missing items, quantity discrepancies or quality issues upon inspection, you may reject the delivery and get in touch with us. We will resolve the matter promptly.

Hebei Qujie Technology Co., Ltd. was established in 2021. It is a private enterprise integrating production, customization, sales, and trade. The company is located at No. 8 Jinhe East Road, Tongye Town, Luquan District, Shijiazhuang City. The factory has an elegant environment, complete equipment, and ample resources. The company possesses advanced technology and professional technical personnel. Since its establishment, the company's sales have steadily increased. The company adheres to the business philosophy of 'quality and price, customer first,' which is effectively reflected in its operations, and is committed to providing customers with sufficient supply and stable and reliable quality.
Business Philosophy: Integrity-based, win-win cooperation
Corporate Spirit: Integrity, gratitude, equality, mutual respect
Corporate Mission: Create opportunities for employees, create value for customers

We strive to meet your demands with the following services:
1.Customized solutions tailored to individual clients
2.Arrangement of third-party product inspections as required
3.Evaluation and mass production based on your counter samples
4.Favorable exclusive discounts for long-term partners
5.Round-the-clock customer support


