Product Overview
LC-A0 S is an acid-washed coconut shell granular activated carbon engineered for chloride-sensitive and pH-critical water applications. Manufactured from premium coconut shell through carbonization, steam activation, and extended acid washing, it achieves a pH of 5–8 with ash content below 3% while maintaining an iodine adsorption value exceeding 1000 mg/g and specific surface area above 1000 m²/g.
The acid-washing protocol removes soluble ash and alkaline residues, delivering low-extractable performance that protects downstream equipment from conductivity spikes and pH excursions. With NSF 61 certification, drinking water approval, and food production licensing, LC-A0 S is qualified for point-of-use filtration, semiconductor rinse water, and electroplating bath maintenance where both purity and pH stability are non-negotiable.
Key Application Areas
- Point-of-Use (POU) Drinking Water — Fits undersink and countertop filters to remove chlorine, taste, and organic contaminants while delivering pH-neutral effluent that protects residential plumbing and consumer health.
- Semiconductor Ultra-Pure Water — Polishes deionized water for wafer cleaning and wet processing, where low extractable content and stable pH prevent process contamination and yield loss.
- Condensate & Process Water — Treats recovered steam condensate and industrial process loops to remove organic carryover without introducing ionic contamination that could foul boilers or heat exchangers.
- Food & Beverage Processing — Purifies ingredient water for breweries, soft drink bottling, and food manufacturing, meeting direct-contact safety standards with minimal leachable content.
- Electroplating Bath Circulation — Maintains bath chemistry stability by adsorbing organic impurities without altering pH or introducing metallic contaminants that affect deposit quality and adhesion.
Specifications
| Technical Specifications | LC-A0 S | Unit |
|---|---|---|
| Iodine Adsorption Value | >1000 | mg/g |
| Moisture Content | <10 | % -wt |
| Ash Content | <5 | % -wt |
| Bulk Density | >440 | kg/m³ |
| pH | 5-8 | - |
| Crush Strength | >95 | % |
| Specific Surface Area | >1000 | m²/g |
Available particle size
- 8×20 Mesh ( 0.85 ~ 2.36 mm)
- 8×30 Mesh ( 0.6 ~ 2.36 mm)
- 12×30 Mesh ( 0.6 ~ 1.7 mm)
- 20×40 Mesh ( 0.43 ~ 0.85 mm)
- 30×60 Mesh ( 0.25 ~ 0.6 mm)
- 80 ~ 200 Mesh ( 0.075 ~ 0.18 mm)
- Other customized particle sizes
Packaging
- The 25kg / Package
- The 500 kg / Package
Key Advantages
- Acid-Washed pH Neutrality: pH 5–8 eliminates alkaline drift common in standard coconut shell carbons, reducing the need for post-treatment pH correction in sensitive POU and electronics systems.
- Ultra-Low Ash & Leachables: <3% ash and reduced extractable content minimize conductivity spikes and trace metal introduction, protecting semiconductor processes and plating baths.
- High Coconut Shell Purity: Natural coconut shell hardness (>95%) and low inherent metals support consistent long-term performance in critical water systems without premature breakdown.
- Multi-Industry Certification: NSF 61, drinking water, and food-grade approvals eliminate regulatory barriers across residential, electronics, and food industry procurement.
How LC-A0 S Achieves Acid Washed Coconut Shell Carbon Electronics Grade Performance
Semiconductor rinse water, electroplating baths, and point-of-use drinking water systems require both high adsorption capacity and extreme chemical stability. Standard coconut shell carbons such as LC-A0 perform reliably in general ultra-pure water and POE treatment with pH 8–11. However, the most sensitive electronics fabrication and surface-finishing processes specify tighter pH neutrality and lower extractable content to prevent conductivity fluctuations and maintain batch-to-batch process consistency.
LC-A0 S solves this through rigorous acid washing. The acid washed coconut shell carbon electronics protocol reduces ash to <5% and stabilizes pH to 5–8, minimizing conductivity spikes and trace mineral introduction that could affect wafer processes or alter plating bath chemistry. Despite the washing, the carbon maintains the same >1000 mg/g iodine and >1000 m²/g surface area as the standard LC-A0 grade, ensuring that purity enhancements do not compromise adsorption performance. The result is electronics-grade water treatment with stable chemistry and minimal leachables.
LC-A0 S vs Standard LC-A0 and PSD-A0 S
Standard LC-A0 provides the same high capacity and coconut shell hardness with pH 8–11 for general ultra-pure water and POE applications. PSD-A0 S offers comparable acid-washed coconut shell performance with NSF 61 and food-grade certifications.
LC-A0 S bridges this gap as the acid washed coconut shell carbon electronics specialist. It is specifically selected when the application demands both the inherent purity of coconut shell and the additional stability of acid-washed pH neutrality. For semiconductor wet processing, electroplating rinse water, and POU systems where both low ash and neutral pH are non-negotiable, LC-A0 S provides the optimal balance. Choose standard LC-A0 for general UPW and POE where mild alkalinity is acceptable; select PSD-A0 S for NSF-certified drinking water and food applications; choose acid washed coconut shell carbon electronics LC-A0 S for the most sensitive electronics and plating processes.