Import Bottom Ash — Buy in wholesale FOB from Supplier in Thailand

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Bottom Ash by SMT Biomass
Harbor
Bottom Ash - Image 1

Bottom Ash

🕐Last updated: Jul 21, 2026
$80 - $180 / MT (Approx. Negotiable)/ Unit
Min. Order: 1 Unit
💱₹80,180.00/ Unit
Live rate: 1 USD = 1.00 INR
🔢HS Code2621.90
⚙️MaterialRice Husk Ash Bottom Ash (SiO2-Based Mineral Residue)
📁CategoryFly Ash
💳Payment TermsT/T · L/C · D/P
Escrow Payment Available on EximNext
Pay your way — T/T, L/C, or opt for Escrow for full protection. Your deal, your choice.
Buy & Import Bottom Ash from SMT Biomass - Wholesale Supply

Bottom Ash from SMT Biomass is a rice husk ash pozzolanic material, a non-metallic mineral residue with high amorphous silica content produced from controlled combustion of rice husk in biomass power generation. The material is graded by particle size distribution and silica purity, sourced from major Thai rice-processing regions. It is traded internationally as a supplementary cementitious material, offering reduced permeability and improved long-term strength in concrete formulations compared to pure Portland cement blends.

The ash consists primarily of silicon dioxide in amorphous form, with smaller fractions of aluminium oxide, iron oxide, and residual carbon. Particle fineness varies with combustion temperature and milling practice; typical d50 values range from 10 to 45 micrometres depending on grade. Colour ranges from grey to black based on unburnt carbon content. The material is hygroscopic and requires dry storage to prevent premature hydration. Standard forms include raw unprocessed ash, classified fines, and milled products meeting specific Blaine fineness targets.

Primary applications include partial cement replacement in ready-mix concrete, precast elements, and mortar; production of blended cements under EN 197-1 or ASTM C595; road base stabilisation; and geotechnical fill where pozzolanic hardening is beneficial. Buyers include cement manufacturers, ready-mix operators, construction chemicals firms, and infrastructure contractors seeking cost reduction and carbon footprint improvement. Trade terms are typically FOB Bangkok or CFR main port, with bulk shipment in pneumatic tankemen or FIBC containers. Buyers should confirm current availability, exact silica content, and whether classification or milling is included.

Technical Specifications for SMT Biomass Bottom Ash
Material TypeRice Husk Ash Bottom Ash (SiO2-based mineral residue)
Primary Oxide ContentAmorphous SiO2 (typical 80-92% by mass, varies by furnace conditions)
Particle Size d5010-45 micrometres (typical, grade-dependent)
Blaine Fineness300-600 m2/kg (typical for milled pozzolanic grades)
Loss on Ignition3-12% (typical, indicates unburnt carbon level)
Moisture ContentLess than 1% as-received (typical, confirm at loading)
Bulk Density0.5-0.8 g/cm3 loose (typical for pneumatic conveying)
PackagingBulk pneumatic, FIBC 1,000-1,500 kg, or jumbo bags (confirm with supplier)
Minimum Order Quantity20 MT (stated typical, confirm current policy with SMT Biomass)
Applicable StandardASTM C618 Class N or EN 197-1 pozzolanic addition (compliance to be confirmed per shipment)
About SMT Biomass - Industrial Mineral Supplier in Thailand
🏭
SMT Biomass
Thailand Harbor
4.5(0)

SMT Biomass is located at 56 Moo 6, Rama 2 Road Soi 31, Bangmod, Jomthong, Bangkok 10150, Thailand. The supplier operates from a Bangkok address in a major rice-processing and logistics corridor, with access to port infrastructure for bulk export. The listing carries a harbor trust tier, the baseline verification level on this marketplace, with no response rate or average response time data available. Buyers should initiate direct contact to assess communication reliability and technical competency.

Rice Husk Ash Bottom Ash is a non-metallic mineral residue from combustion of rice husk, high in amorphous silica content, serving as an economical pozzolanic material for cement, concrete, and construction applications. This ash is graded by particle size and silica purity, sourced from major rice-processing regions. Widely traded internationally as a cost-effective supplement to Portland cement and fly ash, it is exported in bulk or FIBC bags with MOQ typically starting at 20 MT.

Business TypeSupplier
Year EstablishedRecently Joined
EmployeesContact Supplier
Annual RevenueContact Supplier
Main ProductsView Products Tab
Major MarketsGlobal
Response Time<4h
Response RateNew Supplier
Frequently Asked Questions About Bottom Ash from SMT Biomass
The amorphous silica content is typically 80-92% by mass, though this varies with combustion furnace temperature and fuel preparation. Buyers should request a quantitative X-ray diffraction (XRD) analysis with Rietveld refinement, or an acid-insoluble residue test per ASTM C311, to confirm the reactive silica fraction rather than total SiO2. The amorphous phase is the pozzolanic component that reacts with calcium hydroxide to form additional C-S-H gel in concrete.

Sourcing Bottom Ash from SMT Biomass - Thailand Import Guide

Before placing an order with SMT Biomass, verify the exact amorphous silica content and reactivity through an independent laboratory test of a representative sample. Confirm the particle size distribution matches your mill or concrete mix design requirements, as Bangkok-sourced rice husk ash can vary with seasonal rice milling patterns. Request the most recent certificate of analysis and cross-check against your internal specification for LOI, moisture, and sulphate content. Ask whether SMT Biomass operates its own combustion facility or brokers ash from multiple biomass plants, as consistency in source affects long-term supply stability.

For logistics, confirm the loading port, typically Khlong Toei or Laem Chabang, and whether SMT Biomass arranges inland transport from Jomthong to port or requires buyer collection. CFR or CIF terms are common for regional buyers in Southeast Asia, while FOB suits those with established freight forwarders. Payment terms in Thai biomass ash trade typically range from advance payment for initial orders to documentary credit or open account for established relationships. Clarify whether the quoted price includes bulk loading into hold or container stuffing, and who bears demurrage if vessel loading is delayed.

Upon arrival, conduct independent inspection for moisture, colour uniformity, and lump formation. Sample each delivery for particle size analysis and LOI verification against the CoA. Retain sealed reference samples for dispute resolution. For cement plant use, run a trial batch in your laboratory mill to confirm grindability and strength contribution before committing to bulk volumes. Ensure all customs documentation, including certificate of origin, phytosanitary certificate where required, and MSDS, is complete to avoid port detention.

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Buy Bottom Ash in Bulk — Verified Supplier in Thailand

When sourcing Bottom Ash for your business, securing the right balance of quality and cost is essential. SMT Biomass, a verified supplier based in Thailand, offers this product with key specifications including Industrial Grade, Amorphous Silica RHA, Pozzolanic Quality, SiO2 70-92%, Al2O3 0.5-5%, Fe2O3 0.1-2%, Loss on Ignition (LOI) 1-15%, and Granular/Powder form; Particle size passes 90μm sieve typical for cement grade. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $80180./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. 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.

Bottom Ash Specifications, Trade Terms & Pricing

Importing Bottom Ash requires careful attention to shipping logistics, customs compliance, and secure payment terms. SMT Biomass 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.

About SMT Biomass — Supplier in Thailand

Finding trustworthy partners is the foundation of successful importing. The supplier of this Bottom 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 global B2B marketplace. Start your sourcing journey today.

Import Bottom Ash — Shipping, Logistics & Customs

Importing Bottom 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 Bottom Ash

What is the wholesale price of Bottom Ash?

The current listed wholesale price for Bottom Ash from SMT Biomass is $80180./Unit on FOB terms from Thailand. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to SMT Biomass through EximNext.

What is the Minimum Order Quantity (MOQ) for Bottom Ash?

The supplier, SMT Biomass, has set a Minimum Order Quantity (MOQ) of 1 Unit for Bottom Ash. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.

What is the HS Code for Bottom Ash?

For international shipping and customs clearance, Bottom 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 Bottom Ash from Thailand?

To import Bottom Ash from Thailand, negotiate shipping terms (FOB, CIF, or EXW) directly with SMT Biomass. Ensure you have the necessary import licenses for Fly Ash products in your destination country.

Is SMT Biomass a verified supplier?

Yes, SMT Biomass 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 Bottom Ash?

The key specifications for Bottom Ash supplied by SMT Biomass include Industrial Grade, Amorphous Silica RHA, Pozzolanic Quality, SiO2 70-92%, Al2O3 0.5-5%, Fe2O3 0.1-2%, Loss on Ignition (LOI) 1-15%, and Granular/Powder form; Particle size passes 90μm sieve typical for cement grade. 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 Bottom Ash?

SMT Biomass offers Bottom Ash with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.

Which countries import Bottom Ash the most?

Bottom Ash is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from SMT Biomass through our platform.

What certifications does this Bottom Ash supplier hold?

SMT Biomass maintains international quality certifications. These ensure that the Bottom Ash meets international quality, safety, and regulatory standards required for cross-border trade.

How do I place a bulk order for Bottom Ash on EximNext?

Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. SMT Biomass 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 SMT Biomass.

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