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Class F fly ash is designated in ASTM C 618 and originates from anthracite and bituminous coals. It consists mainly of alumina and silica and has a higher LOI than Class C fly ash. Class F fly ash also has a lower calcium content than Class C fly ash. Replacement When used in portland cement, Class F fly ash can be used as a portland cement replacement ranging from 20-30% of the mass of cementitious material. Advantages When used as a portland cement replacement, Class F fly ash offers the following advantages when compared to unmodified portland cement: Increased late compressive strengths (after 28 days) Increased resistance to alkali silica reaction (ASR) Increased resistance to sulfate attack Less heat generation during hydration Increased pore refinement Decreased permeability Decreased water demand Increased workability Decreased cost ($80/ton for portland cement vs. $30/ton for fly ash).
| HS Code | 2621.90 |
| Brand | EximNext |
| Material | Class F Fly Ash (Aluminosilicate, Bituminous/Anthracite Origin) |
| Grade/Type | Class F per ASTM C618 |
| Purity/Composition | SiO2 + Al2O3 + Fe2O3 > 70%, LOI typically < 6% |
| Fineness | Retained on 45 μm sieve ≤ 34%, specific surface area 300–500 m²/kg |
| Standard | ASTM C618, EN 450-1 |
| Application | Concrete admixture, cement replacement, grout, masonry, soil stabilization |
| Moisture Content | < 3% by mass |
| Packaging | Bulk pneumatic tanker, 1.5 MT jumbo bags, or loose in dump trucks |
| Origin | Coal-fired power plants, bituminous and anthracite sources |
Class F fly ash is a pozzolanic supplementary cementitious material produced from bituminous and anthracite coal combustion, meeting ASTM C618 specifications. With high alumina and silica content, it enhances concrete durability, reduces permeability, and improves workability in mass concrete, block manufacturing, and highway construction. Widely traded globally in bulk, it is an essential additive for sustainable construction and cement replacement programs. Pricing varies by source region, LOI levels, and fineness.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Fly Ash Class F is available for wholesale import from Sepra Exim Pvt.ltd., a verified Supplier based in India. The current FOB price is 3040. Minimum order quantity starts at 1 Bags. HS Code: 2621.90 — used for customs classification and import duty calculation. Key product specifications include 2621.90, EximNext, Class F Fly Ash (Aluminosilicate, Bituminous/Anthracite Origin).
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When sourcing Fly Ash Class F for your business, securing the right balance of quality and cost is essential. Sepra Exim Pvt.ltd., a verified supplier based in India, offers this product with key specifications including Class F per ASTM C618, SiO2 + Al2O3 + Fe2O3 > 70%, LOI typically < 6%, and Retained on 45 μm 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 $3040/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.
Importing Fly Ash Class F requires careful attention to shipping logistics, customs compliance, and secure payment terms. Sepra Exim Pvt.ltd. 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 B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Fly Ash Class F 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 global B2B marketplace. Start your sourcing journey today.
Importing Fly Ash Class F 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).
The current listed wholesale price for Fly Ash Class F from Sepra Exim Pvt.ltd. is $3040/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 Sepra Exim Pvt.ltd. through EximNext.
The supplier, Sepra Exim Pvt.ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Fly Ash Class F. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, Fly Ash Class F is classified under HS Code 2621.90. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import Fly Ash Class F from India, negotiate shipping terms (FOB, CIF, or EXW) directly with Sepra Exim Pvt.ltd.. Ensure you have the necessary import licenses for Fly Ash products in your destination country.
Yes, Sepra Exim Pvt.ltd. 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.
The key specifications for Fly Ash Class F supplied by Sepra Exim Pvt.ltd. include Class F per ASTM C618, SiO2 + Al2O3 + Fe2O3 > 70%, LOI typically < 6%, and Retained on 45 μm 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.
Sepra Exim Pvt.ltd. offers Fly Ash Class F with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Fly Ash Class F is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Sepra Exim Pvt.ltd. through our platform.
Sepra Exim Pvt.ltd. maintains international quality certifications. These ensure that the Fly Ash Class F meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Sepra Exim Pvt.ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
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 Sepra Exim Pvt.ltd..
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