Import F Class Fly Ash — Buy in wholesale FOB from Supplier in India
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F Class Fly Ash
F Class Fly Ash from Woolf is a pozzolanic byproduct of coal combustion, classified under ASTM C618 as low-calcium fly ash with calcium oxide content below 10%. It is used as a supplementary cementitious material in concrete and masonry applications, contributing to long-term strength and reduced permeability. The material is collected from pulverized coal-fired power plants in Gujarat and processed to remove unburned carbon and oversized particles.
Typical silica and alumina content ranges from 45% to 55% and 20% to 28% respectively, meeting the standard for Class F ash as defined by ASTM and IS 3812. The fineness is 90% passing a 45 μm sieve, and the loss on ignition is below 6%, indicating low unburned carbon. The material is free of organic impurities and has a consistent particle size distribution, making it suitable for high-performance concrete and precast block production.
Buyers in Southeast Asia, the Middle East, and Africa import this fly ash for use in ready-mix plants, brick manufacturers, and cement blending facilities. It is supplied in bulk via road tankers or in jumbo bags (1 ton each), with FOB Mundra or Kandla as common ports. MOQ is typically 50 metric tons per shipment, and lead time is 7 - 14 days after order confirmation. No chemical certifications are listed, but material testing reports are available on request.
| Classification | ASTM C618 Class F, low calcium (CaO <10%) |
| Silica Content | 45% - 55% typical |
| Alumina Content | 20% - 28% typical |
| Loss on Ignition | ≤6% typical |
| Fineness | 90% passing 45 μm sieve, typical |
| Specific Gravity | 2.1 - 2.4 typical |
| Moisture Content | ≤1% typical |
| Particle Size Distribution | D50: 15 - 25 μm, typical for pozzolanic activity |
| Chemical Compatibility | Compatible with Portland cement types I, II, and V per ASTM C618 |
| Packaging | Jumbo bags (1 metric ton), bulk loading in trucks or containers |
Woolf is a supplier of F Class Fly Ash based in Surat, Gujarat, India, sourcing material from local coal-fired power generation facilities. The company does not disclose ownership of a processing plant, nor does it list any certifications such as ISO 9001 or environmental compliance. Its role appears to be that of a trader or aggregator, consolidating fly ash from regional producers for export.
No information is provided on annual production volume, employee count, or quality control lab facilities. The supplier does not claim direct control over the source material beyond collection and packaging. Response metrics on the platform show no recorded communication history, and no factory audits or test reports are referenced in the listing.
F Class Fly Ash is a high-quality pozzolanic material produced from coal combustion, classified under ASTM C618 standards with low calcium oxide content. It serves as a critical supplementary cementitious material in cement manufacturing, ready-mix concrete, and brick/block production, offering excellent long-term strength development and durability. Widely traded internationally, it is exported in bulk by road or sea in jumbo bags or as loose cargo, with India and Indonesia being major supply origins for global construction material importers.
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Sourcing F Class Fly Ash from Woolf - India Import Guide
Before ordering, confirm the material meets ASTM C618 Class F specifications with verified chemical composition, loss on ignition, and fineness data. Request a material test report for each shipment and avoid material with unburned carbon above 6%. Verify that the ash is free of organic contaminants and has consistent particle size distribution.
Logistics are typically handled via bulk road transport to Mundra or Kandla port, then shipped in containers or bulk vessels. Lead time is 7 - 14 days after order confirmation. Incoterms are usually FOB India, but CIF can be arranged. Payment is commonly by LC at sight or TT advance. Confirm whether the supplier provides a phytosanitary certificate if required by your country’s customs authority.
On arrival, inspect for clumping, discoloration, or foreign matter. Conduct a sieve analysis and moisture test on random samples. Compare chemical composition to the provided test report. For concrete use, perform a mortar activity test to verify pozzolanic performance. Retain samples for 90 days in case of quality disputes.
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30 suppliersBuy F Class Fly Ash in Bulk — Verified Supplier in India
When sourcing F Class Fly Ash for your business, securing the right balance of quality and cost is essential. Woolf, a verified supplier based in India, offers this product with key specifications including Class F per ASTM C618, Low Calcium Fly Ash, SiO2+Al2O3+Fe2O3 > 70%, CaO < 10%, Loss on Ignition < 6%, and Retained on 45μm Sieve < 34%, Specific Surface Area 300-500 m²/kg. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $28/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 2621.90, making it a staple in the Fly Ash sector with strong demand from importing countries worldwide.
F Class Fly Ash Specifications, Trade Terms & Pricing
Importing F Class Fly Ash requires careful attention to shipping logistics, customs compliance, and secure payment terms. Woolf 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 2621.90 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 import export marketplace designed to make cross-border trade secure and efficient.
About Woolf — Supplier in India
Finding trustworthy partners is the foundation of successful importing. The supplier of this F Class Fly Ash 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 Fly Ash category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import F Class Fly Ash — Shipping, Logistics & Customs
Importing F Class Fly Ash 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 2621.90 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 F Class Fly Ash
What is the wholesale price of F Class Fly Ash?
The current listed wholesale price for F Class Fly Ash from Woolf is $28/Bags on FOB terms from India. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Woolf through EximNext.
What is the Minimum Order Quantity (MOQ) for F Class Fly Ash?
The supplier, Woolf, has set a Minimum Order Quantity (MOQ) of 1 Bags for F Class Fly Ash. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for F Class Fly Ash?
For international shipping and customs clearance, F Class Fly Ash is classified under HS Code 2621.90. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import F Class Fly Ash from India?
To import F Class Fly Ash from India, negotiate shipping terms (FOB, CIF, or EXW) directly with Woolf. Ensure you have the necessary import licenses for Fly Ash products in your destination country.
Is Woolf a verified supplier?
Yes, Woolf 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 F Class Fly Ash?
The key specifications for F Class Fly Ash supplied by Woolf include Class F per ASTM C618, Low Calcium Fly Ash, SiO2+Al2O3+Fe2O3 > 70%, CaO < 10%, Loss on Ignition < 6%, and Retained on 45μm Sieve < 34%, Specific Surface Area 300-500 m²/kg. 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 F Class Fly Ash?
Woolf offers F Class Fly Ash with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import F Class Fly Ash the most?
F Class Fly Ash is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Woolf through our platform.
What certifications does this F Class Fly Ash supplier hold?
Woolf maintains international quality certifications. These ensure that the F Class Fly Ash meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for F Class Fly Ash on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Woolf 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 Woolf.
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