Looking for a competitive calcium carbide price for high-purity 7-15mm fine granules? Our factory-direct CaC2 supply provides rapid gas yield, highly efficient reaction kinetics, and low impurity levels for chemical processing and industrial gas generation. Designed for commercial enterprises, we offer bulk wholesale discounts, long-term contract fulfillment, and full international export compliance to optimize your procurement costs.
Finding a transparent and competitive calcium carbide price from a reliable factory direct source is essential for maintaining efficient chemical manufacturing and industrial processing. Our premium 7-15mm Calcium Carbide (CaC2) small granules are engineered specifically for commercial applications requiring rapid dissolution, accelerated gas generation, and precise volumetric dosing.
Manufactured under strict quality control standards, our 7-15mm product line delivers an ideal balance between high chemical purity and optimal surface-area kinetics. By sourcing directly from our primary manufacturing facilities, enterprise buyers eliminate intermediary markups, securing a market-leading calcium carbide price backed by consistent chemical properties and reliable long-term supply agreements.

| Parameter | Specification / Commercial Standard |
| Product Grade | Industrial / Chemical Grade Fine Granules |
| Granule Size Range | 7mm – 15mm (Small Granules) |
| Minimum Gas Yield | ≥295 L/kg - 305 L/kg (at 20℃ & 101.3 kPa) |
| Phosphine (PH3) Impurity | ≤0.08%(v/v) |
| Hydrogen Sulfide (H2S) Impurity | ≤0.10% (v/v) |
| Dangerous Goods Class | Class 4.3 (UN 1402) Substances emitting flammable gases |
| Standard Packaging | 50kg / 100kg UN-approved hermetic steel drums |
| Export Harmonized Code | HS 28491000 |

The 7-15mm size distribution provides a substantially larger total surface area per metric ton compared to coarse lumps. This results in rapid hydrolysis, enabling fast acetylene (C2H2) gas liberation for specialized high-throughput generators, automated desulfurization systems, and batch chemical reactors where fast cycle times are critical.
Global chemical markets demand predictable operational expenses. We offer a highly competitive calcium carbide price structure for full container load (FCL) orders and multi-shipment annual supply contracts. Flexible trade terms including FOB, CIF, and CFR allow B2B procurement managers to optimize their overall landed logistics costs.
Impurities such as phosphine and hydrogen sulfide accelerate corrosion in gas pipelines, compromise downstream catalysts, and reduce the purity of generated acetylene gas. Our strict raw material screening ensures low phosphorus and sulfur levels, preserving your equipment and reducing gas purification costs.

Automated Acetylene Generators: Ideal for automated feeding systems requiring precise granule flowability without clogging or irregular bridging.
Metallurgical Desulfurization: Used in steel foundries as a reactive agent to efficiently capture sulfur impurities from molten metal.
Chemical Intermediate Production: Serves as a vital carbon source for organic synthesis, fine chemical production, and synthetic rubber manufacturing.
Industrial Cutting & Welding Gas: Generates high-purity acetylene for heavy metal joining and thermal cutting operations.

Calcium Carbide poses severe hazards when exposed to atmospheric humidity. To guarantee maximum safety and shelf life during international ocean freight, all shipments follow strict Class 4.3 Dangerous Goods protocols:
Hermetically Sealed Drums: Packed in brand-new, UN-approved 50kg or 100kg steel drums designed to withstand physical stress and moisture exposure.
Nitrogen Purging Process: Each container is purged with dry Nitrogen (N2) prior to sealing to displace residual oxygen and humidity.
Complete Regulatory Documentation: Every shipment includes detailed Safety Data Sheets (SDS), Certificates of Analysis (COA), UN Packaging Certificates, and optional third-party inspection reports (SGS/BV).

Optimize your chemical supply chain with high-performance 7-15mm Calcium Carbide direct from the manufacturer. Contact our commercial sales department today to inquire about bulk order minimums, request technical data sheets, or receive a competitive FOB/CIF calcium carbide price tailored to your port of destination.