Import China Factory Supply Silica Sol For Casting — Buy in wholesale FOB from Supplier in China
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China Factory Supply Silica Sol For Casting
The silica sol for casting, model JW‑FD30B, is offered by Hubei Jinwei Group in China as a high‑performance colloidal binder. It delivers 28‑30 % SiO₂ and 0.5 % Na₂O, with a pH of 9.0‑10.5 and a specific gravity of 1.19‑1.21. Particle size is tightly controlled at 8‑10 nm and the solution shows a viscosity of roughly 10 cP at 25 °C. This formulation is targeted at precision investment casting where surface finish and thermal stability are critical.
In casting processes the alkaline sol improves mould strength and reduces shrinkage, leading to finer detail in steel, stainless‑steel and alloy components. Typical industry practice adds the sol at 5‑10 % solids to the refractory mix to achieve uniform shell thickness and permeability. Compared with non‑colloidal binders, the silica sol provides superior adhesion and lower residual stress after firing. The product is supplied in flexible polyethylene drums, a common bulk‑chemical packaging format.
Foundries, aerospace component makers and automotive casting shops often source this material to enhance mould reliability. Prospective buyers should request the supplier’s technical data sheet, confirm the drum size and discuss any required certifications before ordering. Although the supplier holds a harbour‑level trust tier, response statistics are currently unavailable, so direct communication is essential.
| Material | Colloidal silica (SiO₂ 28‑30 % in aqueous solution) |
| SiO₂ content | 28‑30 % |
| Na₂O content | 0.5 % |
| Particle size | 8‑10 nm |
| pH | 9.0‑10.5 |
| Specific gravity | 1.19‑1.21 |
| Viscosity (25 °C) | 10 cP (typical) |
| Typical solids addition rate for casting molds | 5‑10 % by weight (standard) |
| Typical curing temperature for silica‑bound shells | 150‑200 °C (standard) |
| Typical packaging | Flexible polyethylene drum, 200 L (standard) |
Hubei Jinwei Group operates from Wuhan, Hubei Province, China, with its registered address at Room 608 Building 6 No. 3 Guanggu Road. The platform classifies the company under a harbour‑level trust tier, indicating that basic verification of business credentials has been completed.
The supplier’s catalogue focuses on silica‑based chemicals for industrial applications, including the JW‑FD30B casting sol. Public information does not provide minimum order quantities, lead‑time estimates or specific quality certifications, and the listed response rate is zero, meaning that enquiries have not yet been answered through the platform.
Silica sol is a high-performance colloidal silica binder essential for precision investment casting across aerospace, automotive, and industrial applications. The JW-FD30B grade features a SiO2 content of 28-30%, providing superior surface finish and thermal stability for steel, stainless steel, and alloy castings. Supplied directly from China manufacturers, this product is competitively priced for B2B importers and foundries seeking reliable, cost-effective casting solutions with consistent quality and technical support.
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Sourcing China Factory Supply Silica Sol For Casting from Hubei Jinwei Group - China Import Guide
When preparing to order the casting silica sol, confirm the exact SiO₂ and Na₂O percentages, particle size and pH against a current certificate of analysis, and obtain the safety data sheet to verify handling and storage requirements. Check that the flexible polyethylene drums meet any local hazardous material transport rules and that the labeling matches the intended casting application.
Discuss the preferred Incoterm - FOB, CIF or another arrangement - and ask the supplier to provide an estimated lead time, as this information is not listed publicly. Payment terms are typically negotiated directly; common options include T/T against a pro‑forma invoice or a documentary letter of credit, both of which should be confirmed in writing before shipment.
Arrange for an independent inspection of the sol at the production site or upon arrival, focusing on viscosity, SiO₂ content and particle size distribution. Request a full set of test reports, including any conformity certificates, and ensure that the shipment includes all customs documentation, the supplier’s declaration of compliance and the safety data sheet for smooth import clearance.
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30 suppliersBuy China Factory Supply Sili in Bulk — Verified Supplier in China
When sourcing China Factory Supply Silica Sol For Casting for your business, securing the right balance of quality and cost is essential. Hubei Jinwei Group, a verified supplier based in China, offers this product with key specifications including JW-FD30B Industrial Grade, SiO2 28-30%, Colloidal Silica Solution, and Milky White Liquid. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $500/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 3824.99, making it a staple in the Metal Castings & Forgings sector with strong demand from importing countries worldwide.
China Factory Supply Sili Specifications, Trade Terms & Pricing
Importing China Factory Supply Sili requires careful attention to shipping logistics, customs compliance, and secure payment terms. Hubei Jinwei Group offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 3824.99 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading B2B marketplace designed to make cross-border trade secure and efficient.
About Hubei Jinwei Group — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this China Factory Supply Sili has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Metal Castings & Forgings category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Import China Factory Supply Sili — Shipping, Logistics & Customs
Importing China Factory Supply Sili requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 3824.99 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About China Factory Supply Sili
What is the wholesale price of China Factory Supply Silica Sol For Casting?
The current listed wholesale price for China Factory Supply Silica Sol For Casting from Hubei Jinwei Group is $500/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Hubei Jinwei Group through EximNext.
What is the Minimum Order Quantity (MOQ) for China Factory Supply Sili?
The supplier, Hubei Jinwei Group, has set a Minimum Order Quantity (MOQ) of 1 Bags for China Factory Supply Sili. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for China Factory Supply Silica Sol For Casting?
For international shipping and customs clearance, China Factory Supply Silica Sol For Casting is classified under HS Code 3824.99. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import China Factory Supply Sili from China?
To import China Factory Supply Sili from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Hubei Jinwei Group. Ensure you have the necessary import licenses for Metal Castings & Forgings products in your destination country.
Is Hubei Jinwei Group a verified supplier?
Yes, Hubei Jinwei Group is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of China Factory Supply Silica Sol For Casting?
The key specifications for China Factory Supply Silica Sol For Casting supplied by Hubei Jinwei Group include JW-FD30B Industrial Grade, SiO2 28-30%, Colloidal Silica Solution, and Milky White Liquid. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of China Factory Supply Sili?
Hubei Jinwei Group offers China Factory Supply Sili with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import China Factory Supply Sili the most?
China Factory Supply Sili is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Hubei Jinwei Group through our platform.
What certifications does this China Factory Supply Sili supplier hold?
Hubei Jinwei Group maintains international quality certifications. These ensure that the China Factory Supply Sili meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for China Factory Supply Silica Sol For Casting on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Hubei Jinwei Group will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Hubei Jinwei Group.
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