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CFV 4×8
purestar
CFV 4×8 granular activated carbon is produced from premium coconut shell through high-temperature steam activation. The product features high carbon tetrachloride activity (CTC >60%), indicating superior gas-phase adsorption capacity. The 4×8 mesh (4.75-2.36mm) particle size provides optimal balance between pressure drop and contact time in fixed-bed adsorbers.
Ideal for HVAC odor control, industrial emission reduction, solvent vapor recovery, and process gas purification applications.
Technical Specifications | CFV 4×8 | Unit |
CTC price | More than 50 | % -wt |
Moisture content | Less than 10 | % -wt |
Ash content | Less than 5 | %-wt |
Intensity | More than 95 | % |
Size size> 4 mesh (4.75 mm) | Less than 10 | %-wt |
Grain size < 8 mesh (2.36 mm) | Less than 5 | %-wt |
Available particle size:
6 × 12 mesh (1.4 ~ 3.35 mm)
30 × 70 mesh (0.215 ~ 0.6 mm)
Packaging:
25kg woven bags
500kg jumbo bags
Customized packaging available
Shipping:
Fast delivery within 15-30 days
Export standard packaging
High CTC activity: >60% for superior VOC adsorption
4×8 mesh size optimizes pressure drop and contact efficiency
Coconut shell base provides high hardness and low dust
Excellent removal of H₂S, mercaptans, and organic sulfides
Suitable for thermal regeneration and reuse
Low moisture content ensures consistent performance
HVAC system odor control
Industrial VOC emission reduction
Solvent vapor recovery units (VRU)
Wastewater treatment plant odor control
Process gas purification
Chemical storage area ventilation
Ultra-High Purity & Superior Adsorption Kinetics
Sourced from select Southeast Asian coconut shells, our premium coconut shell activated carbon features micropore-dominant structures with iodine values reaching 1000-1500 mg/g.
The low ash content (<3%) and exceptional purity make it the preferred choice for semiconductor ultra-pure water systems, gold recovery (CIP/CIL/CIC processes), and food-grade decolorization.
High mechanical strength (>95%) ensures minimal attrition during backwashing, while the developed surface area (1000-1500 m²/g) provides rapid adsorption kinetics. Available in granular, columnar (PLC), and silver-impregnated (PSD-Ag+) variants for antimicrobial water treatment applications.
PURESTAR adheres to strict quality control and international certification standards. Our authentic certifications include:
ISO 9001: Quality Management System
ISO 14001: Environmental Management System
ISO 45001: Occupational Health & Safety Management System
NSF: Certified for drinking water safety & sanitation
HALAL: Certified for food-contact applications
MSDS (Material Safety Data Sheet) available upon request
COA (Certificate of Analysis) provided with every shipment
All products undergo strict quality inspection to deliver stable, reliable performance for global customers.
10+ years of experience in activated carbon manufacturing and export
Stable production capacity ensuring reliable supply for bulk orders
Strict quality control system from raw material to final product
Customized solutions based on different industrial applications
Fast response within 12–24 hours for all inquiries
Professional technical support for product selection and application guidance
Q1: What is CTC activity and why does it matter?
A: Carbon Tetrachloride Activity measures gas-phase adsorption capacity. Higher CTC values (>60%) indicate better performance for VOC and solvent vapor removal applications.
Q2: How long does CFV 4×8 last in HVAC applications?
A: Typical service life ranges from 6-24 months depending on contaminant concentration, airflow, and humidity levels. Carbon monitoring is recommended.
Q3: Can CFV 4×8 remove formaldehyde?
A: While CFV 4×8 adsorbs some formaldehyde, our chemically impregnated carbons (ARC-A, ABEK) provide superior performance for aldehyde removal.
Q4: Is CFV 4×8 suitable for residential air purifiers?
A: Yes, the 4×8 size is commonly used in commercial and residential HVAC systems. For smaller units, consider our pellet or crushed carbon options.
Q5: What is the maximum operating temperature?
A: CFV 4×8 can operate continuously up to 50°C. For high-temperature applications, consult our technical team for specialized products.


