Essential details
Quantity(pieces):10
MOQ:1T
Lead time:15Days
Shipping:sea transportation
Specification Number:ZLLSIL-MF200 Silica Dispersion (Fumed SIlica / Nano SIlica for Fire-Resistant Glass)
Package Description:Woven bag ton bag
Product Introduction
1. Product advantages
Zhongqi Guangdong Silicon Material Co., Ltd. specializes in developing non-yellowing food-grade silica dioxide, specifically designed to address the critical challenge of "color discoloration from anti-caking agents affecting both appearance and safety" in food processing. This product effectively prevents color changes caused by ethyl maltol's reaction with iron ions, achieved through ultra-low heavy metal content and rigorous process control. Certified to GB 25576-2010 and FDA 21 CFR standards, its core features include: -UV/heat-resistant properties (no yellowing or fading) -High purity with low heavy metals-Enhanced anti-caking performance (40%+ improved flowability) -Customizable particle size (2-50μm) -GMP-certified manufacturing facility-Pre-sales sampling + post-sales technical support-Serving baking, confectionery, and other food industries with export markets in Southeast Asia/Europe and America.
2、 Factory advantages
Zhongqi Guangdong Silicon Materials Co., Ltd., a national high-tech enterprise and provincial-level specialized, refined, unique, and innovative enterprise, has been dedicated to the industry for over two decades. The company holds 17 patented technologies and operates a GMP-certified production base. Equipped with advanced testing instruments including atomic fluorescence spectrometers and laser particle analyzers, it has established a comprehensive quality control system comprising 26 inspection processes spanning raw materials to finished products. The company has obtained ISO22000 certification for food safety management systems.
3. Packing for shipment
• Standard packaging: 10/15/20kg woven bags.
• Waterproof design: the packaging adopts composite film valve bag + a layer of PE on the outside; or PE inner film bag + plastic woven bag, and strictly do a good job in protection to prevent water intrusion.
• Storage and transportation requirements: store in cool and dry environment, shelf life of 24 months; non-hazardous chemical, support global shipping/carrying.
• Labeling specification: each package shall be marked with legal information such as food additives, added limits and production license number, or the label head shall be posted according to customer requirements.
4. Qualifications and Honors
• FSSC22000
• ISO22000：2018
• ISO9001：2015
• SHC HALAL
• OU KOSHER
• FDA attestation
• FAMI-QS
• SEDEX
• Food additive production license
• Feed additive production license
• National high-tech enterprise
• Specialized, refined and new enterprises in Guangzhou
• 17 patents from the State Intellectual Property Office
1. Q: What is curtain wall grade Fumed SIlica / Nano SIlica ?
A: An upgraded version with enhanced weather resistance for exterior curtain walls.
2. Q: Can standard grade be used for exterior curtain walls?
A: Not recommended; curtain wall grade has better UV and weather resistance.
3. Q: What is its service life outdoors?
A: Designed for 25+ years under normal conditions.
4. Q: Does it resist UV aging?
A: Yes, ≤2% transmittance loss after 1000h QUV-B test.
5. Q: Does it resist thermal cycling?
A: Withstands -40℃ to 80℃ thermal cycling for 50 cycles without cracking.
6. Q: Is it suitable for coastal areas?
A: Yes, improved water and salt spray resistance.
7. Q: Does it cause efflorescence on edges?
A: Low-sodium formula effectively suppresses alkali efflorescence.
8. Q: Does it yellow after long-term outdoor use?
A: No, anti-yellowing formula maintains clarity.
9. Q: Is it compatible with aluminum frames?
A: Yes, no corrosion or swelling to aluminum profiles.
10. Q: Is it compatible with silicone sealants?
A: Yes, good compatibility with common curtain wall sealants.
11. Q: Which curtain wall systems does it fit?
A: Unitized curtain walls, framed curtain walls and double skin facades.
12. Q: Can it be used for unitized curtain wall prefabrication?
A: Yes, curing speed matches factory assembly line rhythm.
13. Q: Does it meet wind pressure requirements?
A: High bonding strength ensures curtain wall structural safety.
14. Q: What fire rating is available for curtain walls?
A: 1.0h to 3.0h Class A insulating rating.
15. Q: Does it affect facade aesthetics?
A: High transparency preserves original facade design.
16. Q: Is it suitable for super high-rise buildings?
A: Yes, it meets strict fire and structural requirements.
17. Q: Can it be used for double skin facade fire barriers?
A: Yes, it blocks vertical fire spread in the cavity.
18. Q: Does it crack in cold winters?
A: Matched thermal expansion with glass prevents stress cracking.
19. Q: Is on-site pouring possible?
A: Framed curtain wall grade supports on-site gluing.
20. Q: Does it comply with building fire codes?
A: Yes, meets GB/T 15763.1 and relevant international standards.
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### Group 6: Quality & Stability FAQs
1. Q: How do you ensure consistent quality?
A: Full-process quality control from raw material to finished product.
2. Q: Is each batch tested?
A: Yes, full inspection before delivery with COA provided.
3. Q: What quality system is certified?
A: ISO 9001 quality management system.
4. Q: Will it gel during storage?
A: No, under recommended storage conditions it stays stable for 12+ months.
5. Q: Will it delaminate or precipitate?
A: Charge stabilization technology prevents sedimentation and delamination.
6. Q: Does pH change during storage?
A: It remains stable within the specified range.
7. Q: What happens if it freezes?
A: Freezing may damage colloidal structure; avoid freezing.
8. Q: Does sunlight affect it?
A: Long-term direct sunlight is not recommended; store in shade.
9. Q: Will it grow mold?
A: Fully inorganic formula, no mold growth.
10. Q: Is there batch-to-batch viscosity variation?
A: Variation is strictly controlled within a narrow range.
11. Q: Do you provide third-party test reports?
A: Yes, SGS/BV/TUV test reports are available.
12. Q: Can customers arrange factory inspection?
A: Yes, factory audits are welcome by appointment.
13. Q: Does it meet REACH/RoHS?
A: Yes, compliant with REACH and RoHS standards.
14. Q: Is there a return policy for quality issues?
A: Quality issues are handled per formal quality agreement.
15. Q: How to judge if it has expired?
A: Obvious gelation, delamination or sharp viscosity rise means expiration.
16. Q: Does purity affect optical performance?
A: Yes, higher purity means better clarity and anti-yellowing.
17. Q: Why is narrow particle size distribution important?
A: It ensures uniform curing and consistent optical quality.
18. Q: Is the product traceable?
A: Yes, each batch has a unique number for full traceability.
19. Q: Do you offer stability test data?
A: Yes, accelerated aging and long-term storage data are available.
20. Q: Is the formula fixed?
A: Standard grades are fixed; custom grades can be adjusted.
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### Group 7: Storage, Packaging & Logistics FAQs
1. Q: What packaging options are available?
A: 25kg drum, 200kg drum, 1000kg IBC tote.
2. Q: What packaging material is used?
A: Food-grade PE / HDPE material.
3. Q: What is the storage temperature?
A: 5–35℃, cool and dry place.
4. Q: Should it be stored sealed?
A: Yes, always seal tightly after use to prevent water evaporation.
5. Q: Can it be stored outdoors?
A: Not recommended; avoid direct sun and freezing.
6. Q: What is the shelf life?
A: Minimum 12 months in original sealed packaging.
7. Q: Can shelf life be extended?
A: Proper storage helps; opened drums should be used soon.
8. Q: Is it dangerous goods?
A: No, it is general cargo, non-hazardous.
9. Q: Can it be shipped by sea?
A: Yes, moisture-proof packaging is standard for sea freight.
10. Q: Is UN packaging available?
A: Yes, UN-certified IBC totes for export.
11. Q: What is the loading quantity per 20ft container?
A: Depends on packaging; details available on request.
12. Q: Can it be shipped in winter?
A: Yes, but avoid freezing during transport.
13. Q: What if it leaks during transport?
A: Rinse with water; it is non-corrosive.
14. Q: Is palletized packaging available?
A: Yes, standard palletized for forklift handling.
15. Q: Can packaging be customized?
A: Yes, custom labeling and package size are supported.
16. Q: How to handle empty drums?
A: Rinse with water before disposal or recycling.
17. Q: Is vacuum packaging needed?
A: No, sealed drum packaging is sufficient.
18. Q: Does it need nitrogen filling?
A: Not required for standard grades.
19. Q: What is the lead time?
A: 7–15 days for standard grades.
20. Q: Can you arrange door-to-door delivery?
A: Yes, multiple trade terms available.
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### Group 8: Selection & Procurement FAQs
1. Q: Which grade should I choose for 1h fire rating?
A: 30–40% solid content, small-medium particle size.
2. Q: Which grade for 2h fire rating?
A: 40–50% solid content, medium particle size.
3. Q: Which grade for 3h fire rating?
A: 50–55% solid content, large particle size.
4. Q: What grade for exterior curtain walls?
A: Special curtain wall grade with weather resistance.
5. Q: What grade for interior fire doors?
A: Standard 30–40% grade is sufficient and cost-effective.
6. Q: Can I get free samples?
A: Yes, free samples are available for testing.
7. Q: What is the minimum order quantity?
A: 1 ton for standard grades; custom grades negotiable.
8. Q: Can you customize particle size?
A: Yes, within 60–120nm range.
9. Q: Can you customize solid content?
A: Yes, 30–55% customizable.
10. Q: Do you offer OEM/ODM?
A: Yes, OEM and custom formulation services are supported.
11. Q: What documents are provided?
A: COA, MSDS, TDS, certificate of origin, etc.
12. Q: What trade terms do you accept?
A: EXW, FOB Qingdao, CIF, CIP, etc.
13. Q: What payment terms are available?
A: T/T, L/C and other negotiable terms.
14. Q: Do you have stock available?
A: Standard grades are kept in regular stock.
15. Q: Can you supply large projects continuously?
A: Yes, large production capacity supports bulk stable supply.
16. Q: Do you provide technical support?
A: Yes, formulation tuning and on-site support are available.
17. Q: How to request a quote?
A: Contact us with required grade, quantity and destination.
18. Q: Can I visit your factory?
A: Welcome, please make an appointment in advance.
19. Q: Do you have local distributors?
A: Contact us for the latest distributor network.
20. Q: Can we sign an annual supply agreement?
A: Yes, framework agreements for long-term cooperation are welcome.
