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I. Product Technical Specifications

Indicators	Specifications	Customer Value
Raw Material	Coconut Shell Activated Carbon	High Hardness, Low Ash Content, Suitable for High-Pressure CIP Processes
Particle Size	6×12 Mesh (1.7-3.4mm)	Screening Efficiency >99%, Minimizing Gold Powder Loss
Iodine Value	≥1100 mg/g	Gold Adsorption Capacity >300g/ton of Carbon
Ash Content:	≤3% (Customizable)	Prevents impurities from clogging micropores, achieving a desorption rate of 99.5%+
Hardness	≥98.5%	Drum Loss: <1%, Annual Carbon Savings: ￥2,000,000+
Moisture Content	≤5%	accurate measurement,Eliminating ineffective weight costs

II. Customer Core Needs and Kelin Solutions

1. Precise Ash Content Control – Breaking Through Industry Bottlenecks

Pain Point: Local gold mines generally face a 30% drop in gold content due to ash contents exceeding 5%.

Kelin Solution:

Acid washing + ultrasonic activation process: Ash content increased from 4.8% to 2.9% (third-party SGS verification)

Exclusive Quality Control Agreement: Each batch includes an ash content burn test video

2. Customized Packaging – Enhanced Branding and Anti-Counterfeiting

Pain Point: Humid transportation environments can easily damage packaging and contaminate containers with carbon dust.

Kelin Solution:

Three-layer composite bags: Moisture-proof aluminum foil + tear-resistant woven layer + custom logo printing

Blockchain traceability code: Scan to verify authenticity and production batch (to prevent market diversion)

III. Why do customers continue to choose Kelin Carbon?

✅ Improved Gold Adsorption Efficiency: The first batch of 84 tons of carbon helped increase gold recovery from 92.1% to 96.4% (customer-provided measurements).

✅ Visualized Quality Control Throughout the Entire Process: Open Video Monitoring of Key Production Nodes (Crushing → Activation → Screening).

✅ Localized African Services: 72-hour emergency response by engineers stationed in Ghana (spare parts/technical support).

✅ Carbon Recycling Program: Waste Carbon Recycling Service (Activity Retention > 90% after 5 Cycles).

IV. Customer Testimonials

“Kelin’s activated carbon reduced our cost per ton of gold by 17%. More importantly, their team’s meticulous control of ash content solved a technical challenge that had plagued the West African mining industry for a decade. From the production

—Mr. Diallo, Customer Technology Director (during a factory visit in August 2025)

Kelin Carbon Core Advantages

Military-grade hardness: Ball-on-disk hardness ≥ 98.5%, industry-lowest CIP cycle loss

Precisely controlled pore size: Mesopore ratio > 60% (compatible with Au(CN)₂⁻ diameter 0.5nm)

Global Supply Chain:

3,000 tons of inventory (6×12 mesh/8×16 mesh/4×8 mesh)

15-day delivery to major mining areas worldwide

Get your gold extraction optimization solution now

Kelin Carbon – Atomic-level pore design captures the value of every gram of gold