How often should activated carbon be replaced?
Activated carbon typically needs replacement every 15–90 days, depending on the application and contamination level, to avoid secondary pollution or efficiency loss
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Can you provide COA or test reports?
Yes, for every shipment, we provide full COA and lab test reports including iodine value, hardness, moisture, and ash content.
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What is the difference between high-iodine and medium-iodine activated carbon?
High-iodine carbon has larger surface area and higher adsorption capacity, suitable for gold recovery and industrial purification, while medium-iodine carbon is ideal for water treatment and general purification.
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How do you ship your products?
We ship via sea freight, air freight, or express courier, depending on the destination and urgency.
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How long is the shelf life of activated carbon?
Stored in a dry, ventilated, and sealed environment, our activated carbon can last 2–3 years without losing adsorption efficiency.
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What is your minimum order quantity (MOQ)?
For standard products, MOQ is 1 ton. For customized products, MOQ may vary depending on production requirements.
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We accept T/T (bank transfer), L/C, and PayPal depending on the order type and customer location.
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Can you provide technical support?
Yes. Our R&D and technical team can provide guidance on carbon selection, usage, regeneration, and performance optimization.
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How long does it take to test a sample?
Typically, samples can be sent immediately, and you can start testing within 1–2 days after receipt.
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