| Customization: | Available |
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| CAS No.: | 10279-57-9 |
| Formula: | Sio2.X(H2O) |
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Hydrated silica
White carbon black, also referred to as hydrated silica, is an environmentally friendly additive with superior performance. It is widely utilized in various industries, including rubber products, ceramics, animal feed, paints/coatings, paper manufacturing, and matting agents.
Based on the production method, white carbon black can be categorized into precipitated white carbon black and fumed white carbon black. Precipitated white carbon black primarily serves as a reinforcing agent for natural and synthetic rubbers, as well as a friction agent in toothpaste formulations. Fumed white carbon black is predominantly employed as a reinforcing agent for silicone rubber, coatings, and as a thickening agent for unsaturated resins.
| Fusing point: | 1610 °C(lit.) |
| Boiling point: | >100 °C(lit.) |
| Density: | 2.6 g/mL at 25 °C(lit.) |
| Appearance: | White powder or granular |
| SiO2 content (dry products): | ≥90% |
| The sieve residue: | (4.5 ests)≤0.5% |
| Heating reduction: | 4.0-8.0% |
| Burning loss: | ≤7.0% |
| PH value : | 5.0-8.0 |
| Total copper content: | ≤30mg/kg |
| Total manganese content: | ≤50mg/kg |
| Total iron content: | ≤1000mg/kg |
| DBP absorption value: | 2.00-3.50cm/g |
| Refractive index: | n20/D 1.544(lit.) |
1.Rubber products
White carbon black is used in colored rubber products to replace carbon black for reinforcement to meet the needs of white or translucent products. At the same time, white carbon black has strong adhesion, tear resistance and heat resistance and aging resistance, so it can replace some carbon black in black rubber products to obtain high-quality rubber products, such as off-road tires, engineering tires, radial tires and so on.
The packaging is divided into 10 kg and 20 kg or according to the needs of the user, the packaging bag is made of woven bag lined with polyethylene film. The storage place should be dry, ventilated, sheltered from rain and sun. Transport as non-toxic chemicals.
Shijiazhuang Yongxin Mining Co., Ltd.Established in 2019 . is a modern chemical enterprise that integrates research and development, production, and sales. The company specializes in producing a wide range of products, including iron oxide, zinc oxide, titanium dioxide, hydroxypropyl methyl cellulose, polyacrylamide, citric acid, mallow glucoside, rubber antioxidants, and others. Guided by scientific innovation, the company continuously implements technological advancements while adhering strictly to a comprehensive quality management system during production processes. Our team comprises highly experienced professionals who are supported by the introduction of cutting-edge international technologies and equipment. Through strategic adjustments to our product structure, we maintain an optimized production process and advanced manufacturing capabilities, enabling us to fulfill customized requirements for diverse customers globally. Our laboratories and workshops comply rigorously with Good Manufacturing Practice (GMP) standards. Our products are exported to Europe, Southeast Asia, North America, and numerous other regions, where we have established long-term, stable business partnerships. Equipped with a large-scale factory and specialized chemical storage facilities, we remain committed to expanding our business scope and delivering high-quality products and services worldwide. We look forward to establishing mutually beneficial cooperation with you.
1.professional knowledge
Yongxin Mining has hired experienced chemical engineers who can conduct product evaluations and performance demonstrations in both laboratory and actual factory processes. Our team has extensive experience in determining the right solutions for various applications, making it perfect for any project at hand. We know that every project has its unique challenges, and we are eager to help develop a solution that meets your needs.
2.Laboratory Analysis
Q: How can i get a sample?
A: Free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q:How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q:Can i get sample before order?
A:Yes, of course,we will send you free sample within 3 days.
Q: What is the Minimum Order Quantity?
A: Trial order is available.
Q: What's the delivery time?
A:The shipment will be within 15 days after receive the order.
If you are interested, please contact me immediately, I will give you the most satisfactory answer.
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