Data revision is a fingerprint of the product, commercial terms and brand/company inputs used for this sheet. The generation time records document preparation, not a material test, batch release or specification approval date.
Technical data sheet & illustrative COA reference · Irregular granular activated carbon
Coconut Shell Granular Activated Carbon
Hard coconut shell GAC for water, air and precious-metal recovery systems, supplied in common mesh ranges with batch-specific quality confirmation.
- High-micropore steam-activated coconut shell GAC configured in 6x12, 8x16, 8x30, 12x40, and 20x40 mesh with configurable 950–1,100+ mg/g iodine value (ASTM D4607) and >=95% hardness (ASTM D3802).
- Available in standard water-washed or acid-washed (low ash <=3%, neutral pH, low acid-soluble iron) grades for potable water treatment, cartridge filtration, ultrapure water, and VOC polishing.
- Direct factory supply from our 50,050 m² Ningxia manufacturing base (ISO 9001 certified) with 1 MT standard MOQ, free bench-test samples, and batch-specific COA against international reference grades.
1Technical specifications
| Raw material | Selected coconut shell, typically steam activated |
|---|---|
| Physical form | Irregular granular activated carbon |
| Standard sizing | 6x12, 8x16, 8x30, 12x40 or 20x40 mesh; approximately 0.45-3.35 mm |
| Iodine value | Typical configurable range: 950-1,100 mg/g |
| CTC activity | 50-70% when required for gas-phase evaluation |
| Hardness | Typically >=90%; water-treatment grades can be specified at >=95% |
| Ash | Typically <=5%; lower-ash grades require confirmation |
| Moisture | Typically <=5% |
| pH | Typically 8-11; acid-washed ranges can be specified separately |
| Apparent density | Typical range: 430-550 g/L |
| Custom manufacturing | Mesh, iodine value, CTC, pH, acid washing, ash, acid-soluble iron, low-dust treatment, water washing and selected impregnation treatments. |
Common methods include ASTM D4607 for iodine value, ASTM D3802 for hardness, ASTM D2866 for ash and ASTM D2862 for particle-size distribution. Final guaranteed values and test methods must be agreed in the order specification.
2COA reference
Illustrative COA only — batch confirmation required. These example values have no identified lot or test date. They are not a certificate for supplied material or a statement of batch acceptance. Request a dated, batch-specific COA against your signed specification.
| Parameter | Unit | Test method | Example limit | Illustrative value |
|---|---|---|---|---|
| Iodine Number | mg/g | ASTM D4607 | >= 1,000 | 1,038 |
| Moisture Content (as packed) | wt% | ASTM D2867 | <= 5.0 | 3.4 |
| Ball-Pan Hardness | % | ASTM D3802 | >= 95.0 | 97.2 |
| Total Ash Content | wt% | ASTM D2866 | <= 4.0 (<=3.0 acid-washed) | 3.1 |
| Apparent Density | g/L | ASTM D2854 | 450 – 530 | 485 |
| pH (Water Extract) | pH units | ASTM D3838 | 8.5 – 10.5 (or 6.5 – 8.0 AW) | 9.2 |
| Oversize / Undersize (8x30 or 12x40) | wt% | ASTM D2862 | <= 5.0 / <= 4.0 | 2.8 / 2.1 |
3Grading & operating references
Confirm the mesh grade before ordering. Listed only in standard sizing: 20x40 mesh. Listed only in the detailed grading table: 20x50 mesh. These references do not list the same mesh grades. Confirm the required sieve distribution, retaining screen and acceptance limits with your quotation.
| Grading | Aperture range | Effective size (D10) | Uniformity coefficient | Process fit |
|---|---|---|---|---|
| 6x12 US Mesh | 1.70 – 3.35 mm | 1.8 – 2.1 mm | ≤ 1.4 | Gas-phase vapor adsorbers, low-ΔP pre-filters & precious metal columns |
| 8x16 US Mesh | 1.18 – 2.36 mm | 1.3 – 1.5 mm | ≤ 1.4 | Industrial process water columns & high-flow fixed-bed adsorbers |
| 8x30 US Mesh | 0.60 – 2.36 mm | 0.85 – 1.05 mm | ≤ 1.7 | Municipal gravity filters, deep-bed pressure vessels & backwashed beds |
| 12x40 US Mesh | 0.425 – 1.70 mm | 0.55 – 0.75 mm | ≤ 1.6 | Potable water dechlorination, PFAS/VOC polishing & industrial lead-lag vessels |
| 20x50 US Mesh | 0.30 – 0.85 mm | 0.35 – 0.45 mm | ≤ 1.5 | Residential/commercial POU/POE cartridges, RO pre-filtration & compact canisters |
| Typical Bed Depth | 0.8 – 2.5 meters (2.5 – 8.0 ft) |
|---|---|
| Empty Bed Contact Time (EBCT) | 5 – 20 minutes (Dechlorination: 3–6 min; Trace Organics/PFAS: 10–20 min) |
| Superficial Liquid Velocity | 5 – 25 m/hr (2 – 10 gpm/ft²) |
| Backwash Bed Expansion | 20% – 30% expansion for 10–15 minutes |
| Backwash Drained Density | 420 – 480 kg/m³ (26 – 30 lb/ft³) |
| Dechlorination Half-Length | 1.8 – 2.4 cm (12x40 US Mesh) |
Operating ranges are selection references, not system-performance guarantees. Confirm suitability using the actual feed, equipment and treatment target.
Reference grades
References support a specification review, not a claim of identical performance, certification or affiliation. Confirm suitability by comparative testing in your process.
| Reference brand / grade | Proposed specification / application | Comparison criteria |
|---|---|---|
| Calgon Carbon OLC 12x40 / OLC 8x30 | Steam-Activated Coconut GAC (Water / Acid-Washed)Drinking water, dechlorination & cartridge filtration | Matched on 12x40 or 8x30 ASTM D2862 mesh, ≥1,000 mg/g iodine & ≥96% hardness |
| Norit (Cabot) GCN 1240 / GCN 830 | High-Micropore Coconut GAC (Neutral pH Option)Municipal water, beverage process water & fixed beds | Matched on microporous coconut structure, low dust, and configurable acid-wash pH 6.5–8.5 |
| Jacobi Carbons AquaSorb CS / AquaSorb CX | Potable & Process Water Coconut GACPoint-of-use (POU) filters, industrial water & VOCs | Matched on apparent density (450–530 g/L), low ash, and rapid wetting properties |
All third-party brand and grade names are trademarks of their respective owners. They are used for identification only; no affiliation, endorsement or authorization is implied.
Application & purchasing review
Applications: Drinking and process water treatment; Air purification and solvent recovery; Filter cartridges and fixed beds; Precious-metal recovery.
Buyer information: Water or gas composition, target contaminant, system type, mesh, target index, quantity, packing and destination port.
Packing: 25 kg bags, 500 or 1,000 kg FIBC bulk bags, and pallet options by order. Standard MOQ: 1 metric ton (1,000 kg) for standard products.
Stock, final MOQ, production date, guaranteed values, packing cost, freight, payment terms and inspection scope are confirmed for the specific quotation and contract.