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2025
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FLO-GARD™ SP Food-grade Flow Regulator
FLO-GARD™ SP is a food-grade synthetic silica (flow conditioning type) launched by PPG. It is an amorphous, pure white, odorless free-flowing powder with core specifications including particle size 45μm, pH 6.9, DOA oil absorption value 275mL/100g, package moisture 5.0%, and maximum residual salt (as Na₂SO₄) 2.0%.
1. One-paragraph Summary
FLO-GARD™ SP is a food-grade synthetic silica (flow conditioning type) launched by PPG. It is an amorphous, pure white, odorless free-flowing powder with core specifications including particle size 45μm, pH 6.9, DOA oil absorption value 275mL/100g, package moisture 5.0%, and maximum residual salt (as Na₂SO₄) 2.0%. It boasts advantages of high anti-caking efficiency at low addition levels, easy mixing, low dust generation, and cost savings. No pre-blending is required as it can be directly added to the production process, suitable for various food raw materials such as granulated salt, chili powder, and seasoning powder. Storage requires a dry and clean environment; moisture content must be rechecked if stored for over 1 year. It is available in small bags and bulk bags. Safety and compliance information can be obtained via the official website, and samples can be requested by contacting customer service.
2. Mind Map

3. Detailed Summary
I. Product Overview
FLO-GARD™ SP is a food-grade synthetic silica launched by PPG Industries. Its core function is to optimize the free-flowing performance of powdered food raw materials. As a flow conditioner (anti-caking agent), its controlled production process ensures uniform particle size, making it a cost-effective alternative to competitors such as sodium aluminosilicate.
II. Core Characteristics (Physicochemical Properties)
| Characteristic Item | Specific Value | Unit |
| Particle Size (laser diffraction method) | 45 | μm |
| DOA Oil Absorption Value | 275 | mL/100g |
| pH Value | 6.9 | - |
| Package Moisture (mass fraction) | 5.0 | % |
| Residual Salt (as Na₂SO₄, mass fraction) | 2.0 | % (maximum) |
| Appearance | Pure white, free-flowing powder | - |
| Structure | Amorphous | - |
| Sensory Characteristic | Odorless, tasteless | - |
III. Applicable Scenarios
•Granulated salt
•Chili powder, paprika and other spices
•Guar gum
•Seasoning powder
•Powdered beverage mixes
IV. Core Competitive Advantages
5.High Anti-caking Efficiency: Low addition level can achieve the same anti-caking effect as competitors (e.g., sodium aluminosilicate) with high addition levels;
6.Excellent Mixing Performance: Fine and uniform particle size, no pre-blending required, can be directly metered into the production process for thorough mixing;
7.Low Dust Generation: Lower dust production than competitors at the same addition level in spice applications;
8.Cost Savings: Reduces inventory of flow conditioners and lowers overall usage costs;
9.Strong Versatility: Compatible with various food raw materials, with a wide range of applications.
V. Usage Instructions
•Mixing Method: No pre-blending required; can be directly metered into the production stream, mixer or spray dryer;
•Safe Operation: Read labels, Safety Data Sheet (SDS) and other documents before use to clarify protective measures.
VI. Storage Requirements
10.Store in a dry and clean environment to avoid contact with other substances;
11.The product is hygroscopic; recheck the moisture content if stored for more than 1 year (from the production date);
12.Do not stack packaging pallets in double layers;
13.Palletized or bagged products wrapped with stretch film have no specified shelf life under the above conditions.

VII. Packaging Specifications
| Packaging Type | Transportation Method | Customization Options |
| Small bags | Palletized shipping (stretch film wrapping) | Consult customer service for customized package sizes and bulk transportation |
| Flexible Intermediate Bulk Containers (FIBCs) | Single/double layer stacking on wooden pallets | - |
VIII. Safety & Compliance
•The latest safety and compliance information shall refer to the product Safety Data Sheet (SDS) and Global Product Safety & Compliance Information Sheet;
•Access Channel: www.ppgsilica.com/SDS;
•The product shall be stored properly, kept away from children; relevant safety warnings shall be communicated to employees and customers.
IX. Sample & Consultation
•Sample Application: Contact customer service to obtain;
•Contact Information: USA (Customer Service 1-800-243-6745 / Technical Service 1-800-764-7369), Europe (Customer Service +31-596-676710 / Technical Service +31-596-676710)
4. Key Questions
Question 1: What are the core competitive advantages of FLO-GARD™ SP as a food-grade flow conditioner?
Answer: The core advantages include three aspects: ① High anti-caking efficiency – low addition level can achieve the same anti-caking effect as competitors (e.g., sodium aluminosilicate); ② Easy to use – uniform particle size eliminates the need for pre-blending, which can be directly added to the production process for thorough mixing; ③ Low overall cost – lower dust generation than competitors, strong versatility, which can reduce the inventory of flow conditioners and lower usage costs.

Question 2: Which specific food raw materials is FLO-GARD™ SP suitable for, and why no additional processing is required during use?
Answer: It is suitable for granulated salt, chili powder, paprika and other spices, guar gum, seasoning powder, and powdered beverage mixes; no additional processing is required because of its fine and uniform particle size and excellent mixing performance, which can be directly metered into the production stream, mixer or spray dryer to achieve uniform dispersion without pre-blending.
Question 3: What requirements must be followed for storing FLO-GARD™ SP, and what additional precautions are needed for long-term storage (over 1 year)?
Answer: Storage Requirements: ① Store in a dry and clean environment to avoid contact with other substances; ② Do not stack packaging pallets in double layers; ③ Palletized or bagged products wrapped with stretch film have no specified shelf life under the above conditions. Additional Precautions for Long-term Storage (over 1 year): The product is hygroscopic, so it is necessary to recheck the moisture content to ensure it meets the usage requirements before application.
Disclaimer
The product information about FLO-GARD™ Company is collected from public sources and is for reference only. The news and information released by Zhonglian Chemical are solely intended for professional exchange within the industry, and we do not guarantee its accuracy or completeness. Users shall use this information independently and assume corresponding risks; Zhonglian Chemical shall not be liable for any losses arising from the use of this information. In case of copyright infringement issues, please contact us for removal.
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