Product Overview
YK-AC is an acid-washed coconut shell granular activated carbon engineered for high-purity water applications where pH stability and minimal extractable content are essential. Manufactured from premium coconut shell through carbonization, steam activation, and extended acid washing, it achieves a neutral pH range of 5–8 while maintaining an iodine adsorption value above 1000 mg/g and specific surface area exceeding 1000 m²/g.
The acid-washing protocol removes soluble ash and alkaline residues, preventing pH drift in closed-loop systems and protecting sensitive downstream equipment. With NSF 61 certification, drinking water approval, and food production licensing, YK-AC is qualified for point-of-use drinking water filters, semiconductor rinse water, and electroplating bath circulation where both adsorption performance and chemical purity are critical.
Specifications
| Technical Specifications | YK-AC | Unit |
|---|---|---|
| Iodine Adsorption Value | >1000 | mg/g |
| Moisture Content | <10 | % -wt |
| Ash Content | <3 | % -wt |
| Bulk Density | >450 | kg/m³ |
| pH | 5-8 | - |
| Crush Strength | >95 | % |
| Specific Surface Area | >1000 | m²/g |
Key Application Areas
- Point-of-Use (POU) Drinking Water — Fits undersink and countertop filters to remove chlorine, taste, and organic contaminants while maintaining neutral pH effluent for consumer safety.
- Semiconductor Ultra-Pure Water — Polishes deionized water for wafer cleaning and wet processing, where trace metals and pH excursions are strictly controlled.
- Condensate & Process Water — Treats recovered steam condensate and industrial process loops to remove organic carryover without introducing ionic contamination.
- Food & Beverage Processing — Purifies ingredient water for breweries, soft drink bottling, and food manufacturing where acid-washed purity meets direct-contact standards.
- Electroplating Bath Circulation — Maintains bath chemistry by adsorbing organic impurities without altering pH or introducing metallic contaminants that affect deposit quality.
Key Advantages
- Acid-Washed pH Stability: The 5–8 pH range eliminates alkaline spikes common in standard carbons, simplifying system design and protecting pH-sensitive processes.
- Ultra-Low Ash & Leachables: <3% ash and reduced extractable content minimize conductivity spikes and trace metal introduction in UPW and plating loops.
- High Coconut Shell Purity: Natural coconut shell hardness (>95%) and low inherent metals support consistent long-term performance in critical water systems.
- Multi-Industry Certification: NSF 61, drinking water, and food-grade approvals eliminate regulatory barriers across residential, electronics, and food industry procurement.
Available particle size
- 8×20 Items ( 0.85 ~ 2.36 mm)
- 8×30 Items ( 0.6 ~ 2.36 mm)
- 12×30 Items ( 0.6 ~ 1.7 mm)
- 20×40 Items ( 0.43 ~ 0.85 mm)
- 30×60 Items ( 0.25 ~ 0.6 mm)
- 80 ~ 200 Items ( 0.075 ~ 0.18 mm)
- Other customized particle sizes
Packaging
- The 25kg / Package
- The 500 kg / Package
