Welcome to Shandong Zhonglian Chemical Co., Ltd. Equity Code:880747
Whitening Toothpaste Silica
Classification :
Toothpaste Silicon Dioxide
Keywords :
Whitening Toothpaste Silica
PRODUCT DETAILS
1. Product Advantages
This silica is specially developed for whitening toothpaste and deeply optimized for teeth whitening performance. It complies strictly with GB/T 32673-2016, FDA and FCC standards. Adopting a porous structure with high specific surface area ranging from 250 to 400 m²/g, the product delivers powerful pigment adsorption capacity to effectively remove extrinsic stains including tea stains, coffee stains, tobacco stains and red wine stains.
Its RDA value is precisely controlled within 100–180. While ensuring efficient stain removal, abrasion to enamel is minimized to achieve gentle whitening. Finely polished particles create a high-gloss finish on enamel after cleaning, reducing subsequent pigment re-deposition and maintaining long-lasting tooth brightness. It features excellent compatibility with whitening active ingredients such as peroxides and hydroxyapatite, jointly boosting whitening efficacy.
2. Product Specifications
Parameter | Details |
Product Name | Whitening Toothpaste Silica |
Appearance | White highly fluffy powder |
Particle Size Range | 6–15 μm (particle size distribution customized for whitening) |
SiO₂ Content | ≥98.5% |
Specific Surface Area | 250–400 m²/g |
pH Value | 6.5–8.0 (5% suspension) |
Loss on Drying at 105℃ | ≤9.0% |
Pore Volume | 0.8–1.5 mL/g |
Typical Dosage | 18%–28% |
RDA Value | 100–180 (graded whitening grades) |
Compliant Standards | GB/T 32673, USP, FCC, FDA |
Packaging | 10 / 15 / 20 kg valve sacks |
Lead Time | 5–10 days for in-stock goods |
Sample | Free of charge |
Production Capacity | Intelligent production line with annual capacity of ten thousand tons |
3. Application Scenarios
Tailored for all types of whitening toothpaste, it is ideal for daily whitening toothpaste, professional stain-removing toothpaste, smoker’s whitening toothpaste, mild whitening toothpaste, probiotic whitening toothpaste and other categories.
- In daily whitening toothpaste: Dual effects of physical abrasion and pigment adsorption gradually eliminate extrinsic stains during regular brushing and restore teeth’s natural whiteness.
- In professional stain-removing toothpaste: The combination of high RDA value and high specific surface area enables deep cleaning against heavy tobacco, tea and coffee stains with outstanding stain removal results.
- In mild whitening toothpaste: Grades with low RDA value (100–120) are suitable for daily whitening of sensitive teeth without irritating dentin.
- In probiotic whitening toothpaste: The porous structure can carry active ingredients such as probiotics to realize integrated whitening and oral care.
It can also be applied in whitening tooth powder and dental polishing products.
4. Factory Strength
Zhongqi (Guangdong) Silicon Materials Co., Ltd. is a national high-tech enterprise and Guangdong Provincial Specialized, Refined, Unique & Innovative Enterprise. We own proprietary pore structure regulation technology for whitening silica and possess profound technical expertise in dental whitening raw materials.
We are equipped with professional testing instruments including specific surface area & pore size analyzers, pigment adsorption test devices and RDA testing equipment to accurately optimize the balance between pore structure and abrasion value. An in-house whitening efficacy evaluation system simulates real brushing conditions to assess stain removal performance.
Our R&D team develops customized grades for diverse whitening positioning, covering mild daily whitening to heavy-duty stain removal. Supported by ten-thousand-ton-level production capacity for stable bulk supply, our products serve numerous domestic whitening toothpaste brands and are exported to Southeast Asia, the Middle East and other markets with strong demand for whitening oral care products.
5. Packaging & Shipment
- Standard packaging: 10 / 15 / 20 kg valve sacks with inner PE liners;
- Moisture-proof design: Hermetically sealed composite valve packaging to prevent moisture absorption that impairs porous structure and adsorption performance;
- Storage & transportation: Store hermetically in cool and dry environment; shelf life: 24 months. Non-dangerous goods for general transportation;
- Standardized marking: Each package indicates whitening grade, RDA grade and applicable standards. Custom shipping marks are available upon client request.
6. Frequently Asked Questions
Q: What is the whitening mechanism of whitening silica for teeth?
A: Three main mechanisms work together for whitening: first, physical abrasion removes pigment plaques attached to tooth surfaces; second, the porous structure adsorbs dissolved pigment molecules; third, polishing smoothens tooth surfaces to lower pigment re-deposition risk. It achieves physical whitening safely and gently without damaging teeth.
Q: Will whitening toothpaste silica abrade dental enamel?
A: No. The RDA value of our product is strictly controlled within safe range (maximum 180). Its Mohs hardness is lower than dental enamel, so it will not damage enamel under normal brushing habits. For customers with sensitive teeth, we provide mild whitening grades with RDA 100–120.
Q: Can it be formulated together with peroxide whitening ingredients?
A: Absolutely compatible. The silica features stable chemical properties and works well with hydrogen peroxide, carbamide peroxide and other chemical whitening agents. Combined usage delivers dual whitening effects of physical stain removal plus chemical bleaching to improve overall whitening efficiency.
7. Certifications & Honors
- FSSC22000
- ISO22000:2018
- ISO9001:2015
- SHC HALAL
- OU KOSHER
- FDA Registration
- Production License for Oral Care Raw Materials
- National High-tech Enterprise
- Guangzhou Specialized, Refined, Unique & Innovative Enterprise
- 17 Patents Granted by National Intellectual Property Administration
Packaging and Shipping
Zhongqi (Guangdong) Silicon Materials Co., Ltd., with over 20 years of experience in the food-grade silica field, is a national high-tech enterprise and a Guangdong Province specialized and innovative enterprise. Trusted by numerous international food giants, it is a leader in high-end food-grade silica. Shandong Zhonglian Chemical Co., Ltd. is Zhongqi's sole officially authorized overseas sales subsidiary.
laboratory
The company has established a world-leading R&D and intelligent manufacturing system, built GMP-standardized workshops, constructed 10,000-ton intelligent production lines, established a national-level testing center equipped with cutting-edge international equipment, and built its own high-standard microbiological testing laboratory. From raw material screening to finished product delivery, the entire process strictly adheres to domestic and international food safety management certifications, achieving simultaneous leadership in both "quality" and "quantity."
Customer Visit
We are committed to silicon dioxide for 20 years, our product is well know in the world and cooperate with some Fortune 500 companies, such as the Nestlé，Yihai Kerry，COFCO，China Resources，Budweiser，Symrise, and so on.
HONOR
In 2021, the company was listed on the Guangdong Stock Exchange, marking the beginning of its international expansion. Today, Zhongqi Silicon Industry, with an open vision, empowers the global food industry's safety system with the power of "Made in China." Going forward, the company will continue to focus on molecular-level safety to ensure peace of mind and, with a global perspective, to create a purer quality of life. Because true strength lies in making invisible protections visible to the world.
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Jinan City, Shandong Province,China
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Guangzhou City, Guangdong Province
