Size: 1-4mm,4-7mm,7-15mm,15-25mm,25-50mm,50-80mm,80-120mm
Gas Yield: ≥295L/Kg
Drum Color: Green, Yellow, Black, Gray, Blue or Customized
MOQ: One container
Package: 50kg, 100kg Steel Drum
Appearance: Granule
Grade Standard: Industrial Grade
CAS No.: 75-20-7
EINECS: 200-848-3
Formula: CaC2
Un No: 1402
HS Code: 284910
Certificate: SDS, SGS, ISO9001, ISO45001, ISO14001, COA
Are you searching for a dependable, massive-scale manufacturing partner to stabilize your commercial gas supply chain? Welcome to Tianjin Zhongying Chemical Co., Ltd., China’s premier source factory for industrial-grade calcium carbide. Operating an advanced, heavy-output production complex in Inner Mongolia with dedicated maritime logistics operations at Tianjin Port, we eliminate the reliance on speculative trading intermediaries, secondary brokers, and third-party logistics agents.
For international distributors and industrial gas plant managers, sustaining flawless operational efficiency while controlling raw material costs is the definitive key to market profitability. We offer a transparent, volume-tiered wholesale pricing model built directly around your operational scale. Backed by an annual facility infrastructure yielding over 70,000 metric tons and a powerful localized transport network capable of loading and exporting up to 10 full 20ft containers every single day, we guarantee absolute supply continuity. Your distribution networks and high-pressure filling stations will never face unexpected inventory gaps or stopped production runs.
The global metal fabrication, shipbreaking, and structural construction sectors rely heavily on oxy-acetylene torch configurations due to their ultra-high flame temperatures (reaching up to 3,500°C). Generating this intense thermal energy requires a premium, highly predictable raw material. Utilizing high-yield calcium carbide for welding applications is the most efficient, cost-effective method for generating high-purity acetylene gas ($C_2H_2$) across global markets.
When our $CaC_2$ solid lumps are introduced into industrial generator systems, they undergo an instant exothermic hydrolysis reaction:
For professional welding gas plants, the purity of the raw material directly dictates the quality of the resulting gas. Low-grade chemical stocks contain high concentrations of crystalline impurities, which generate toxic phosphine ($PH_3$) and hydrogen sulfide ($H_2S$) trace gases. These impurities cool the welding flame, destabilize torch pressure, and can introduce brittle micro-defects into structural steel welds. By sourcing our premium calcium carbide for welding, you ensure an ultra-clean gas evolution rate ($\ge$295 L/KG to 305 L/KG), maintaining absolute flame purity, superior thermal cutting velocity, and clean, high-tensile metallurgical joints.
As a large-scale manufacturer, we operate multi-tier screening decks to produce a full matrix of particle sizes. While we supply fine granules for chemical synthesis and giant lumps for specialized steelmaking, industrial gas infrastructure requires specific dimensions.
Here is our complete size breakdown, along with its optimal industrial targeting:
When selecting calcium carbide for welding and acetylene generation, the 50-80mm coarse lumps and 25-50mm medium lumps are universally recognized as the absolute best sizes.
Linear, Controlled Gas Generation: The ideal surface-area-to-mass ratio of 50-80mm and 25-50mm lumps ensures that when the material mixes with water, the hydrolysis reaction proceeds at a highly predictable, linear pace. This prevents the dangerous pressure surges associated with fine powders.
Minimal Residual Sludge Clogging: These two dimensions dissolve uniformly, producing a consistent calcium hydroxide slurry that drains smoothly from machine basins without clogging heavy discharge valves.
Optimized for Gravity-Fed Hoppers: These size profiles perfectly match international engineering standards for automated mechanical feeding systems, preventing material bridging or structural jams inside hopper throats.
Fine Granules (1-4mm, 4-7mm, 7-15mm, 15-25mm): These highly reactive, small-particle sizes are primarily used as desulfurizing agents in modern steel mills or as fast-acting catalysts in chemical synthesis plants.
Over-Sized Lumps (80-120mm): Extremely large lumps engineered for heavy-duty, large-scale centralized industrial gas complexes equipped with high-impact crushing systems.
Mixed Loading Flexibility: To help you test or supply multiple local markets, we allow you to mix up to five different particle sizes inside a single 20ft container load!
Because calcium carbide absorbs ambient moisture instantly to release volatile gases, transportation containment requires rigorous structural engineering. We pack our lumps within brand-new, reinforced steel drums that are vacuum-tested and fully purged with dry nitrogen gas prior to hermetic sealing.
Our 50KG steel drum configuration is the standard choice for global chemical distribution networks due to its superior manual handling characteristics.
Container Loading Profile: 450 heavy-duty steel drums are arranged and securely cross-braced inside a 20ft FCL, yielding exactly 22.5 Net Metric Tons.
Operational Value: Excellent for regional distribution yards and end-user welding workshops where manual labor or standard forklifts manage physical inventory. The compact 50KG volume ensures that once a drum is unsealed, the contents can be completely exhausted before atmospheric humidity can degrade the remaining material.
For large-scale, centralized gas generation facilities utilizing overhead crane networks and heavy mechanical hoppers, we provide our heavy-gauge 100KG steel drums.
Container Loading Profile: 225 drums packed per 20ft container, totaling 22.5 Net Metric Tons.
Operational Value: Drastically decreases industrial unpacking labor, unsealing times, and empty drum disposal costs during high-throughput chemical charging cycles.
The wholesale cost quoted by our export division includes premium exterior customization at absolute zero additional cost, helping you establish a powerful corporate presence in your regional marketplace:
11 Distinct RAL Paint Options: Tailor your order using 11 professional drum colors (including classic forest green, industrial yellow, solid black, steel grey, and deep ocean blue).
Industrial Paint Stenciling: Your brand's custom logo, net/gross weight parameters, localized chemical safety icons, and destination port markers are stenciled directly onto the steel body. We do not use paper labels that tear or wash away during ocean transit.
Multilingual Compliance Layouts: Our design team formats all drum text in English, Spanish, French, Portuguese, Arabic, Thai, Vietnamese, or Indonesian to ensure effortless customs clearance at your destination.
A competitive price quote is meaningless if your supplier leaves you waiting for months while your local inventory empties out. Tianjin Zhongying Chemical operates around the clock to safeguard your industrial supply chain. With our advanced smelting furnaces and automated packing bays, we maintain the operational capacity to load and dispatch 10 full 20ft containers every single day.
Located just 5 kilometers from the main shipping terminals of Tianjin Port, our freight routes bypass typical inland logistical delays. Our standard turnaround time from your initial deposit clearance to the container doors being locked on a departing vessel is just 14 days.
We provide consistent, multi-container contract allocations to rapidly expanding economic corridors across the globe:
Africa: Supplying critical welding infrastructure and mining centers across South Africa, Egypt, Nigeria, Algeria, Ghana, and Kenya.
South America: Partnering with primary metallurgical facilities and industrial welding gas distributors throughout Brazil, Argentina, Colombia, Chile, and Peru.
Southeast Asia: Delivering vast industrial chemical stocks to major production hubs in Vietnam, Thailand, Indonesia, Malaysia, the Philippines, and Cambodia.
Europe: Serving compliant, high-purity chemical feedstocks to major distribution networks throughout Turkey, Poland, and eastern European transport lines.
Bypass speculative trading agents and volatile brokers. Secure your long-term inventory allocation directly from China's premier heavy industrial manufacturing plant.
Contact our international export division today. Our team will review your commercial parameters and reply within 24 hours with an itemized, binding quotation calculating your custom bulk pricing, steel drum packaging configurations, and real-time ocean freight estimates.
Direct Factory Email: paula@tj-zhongying.com
Instant WhatsApp Desk: +8617862930574
Corporate Address: Room 2512, Zheshangdasha, Tanggu District, Tianjin, China
