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GAC
purestar
Premium Coal GAC for Potable and High-Purity Water Systems
Premium Coal GAC is the ideal coal-based granular activated carbon for municipal drinking water, semiconductor ultrapure water and other critical water systems where safety and stable performance are essential. It delivers reliable purification with full quality assurance and regulatory compliance.
Safety-First Manufacturing
Produced under strict protocols, GAC uses low-contaminant bituminous coal and food-safe processing methods. It passes heavy metal screening, extractable testing and microbiological evaluation to fully meet drinking water safety requirements.
Technical Specifications | GAC 830 | GAC 1240 | Unit |
Iodine sorption value | More than 900 | More than 900 | mg/g |
Moisture content | Less than 5 | Less than 5 | % -wt |
Ash content | Less than 15 | Less than 15 | % -wt |
Floating rate | Less than 6 | Less than 6 | % -wt |
Intensity | More than 90 | More than 90 | % |
Specific area | More than 900 | More than 900 | m²/g |
> 8 Items (1.70 mm) | Less than 15 | - | % -wt |
> 12 Items (1.70 mm) | - | Less than 5 | % -wt |
<30 Items (0.6 mm) | Less than 5 | - | % -wt |
<40 Items (0.43 mm) | - | Less than 5 | % -wt |
Packaging:
25kg woven bags
500kg jumbo bags
Customized packaging available
Shipping:
Fast delivery within 15-30 days
Export standard packaging
Drinking Water Safe: NSF certified, with strict testing for heavy metals, extractables and cytotoxicity to ensure safety for potable and food-grade water systems.
Fast Chlorine & Chloramine Removal: Optimized pore structure delivers rapid dechlorination, protecting downstream RO membranes and resins.
High Mechanical Strength: ≥90% hardness minimizes breakage and fines during backwashing and continuous operation, avoiding fouling in ultrapure water systems.
Low Extractables & Leachables: Strict production and washing reduce TOC and conductivity risks, ideal for semiconductor, pharmaceutical and lab-grade high-purity water.
Reliable Catalyst Support: High purity and stable surface chemistry make it perfect for catalytic chloramine reduction and low-contamination chemical synthesis.
Drinking Water Treatment: Ideal for potable water purification, complying with strict health and safety standards for daily consumption.
Ultrapure Water Treatment: Perfect for pharmaceutical and electronics industries to produce high-purity water with ultra-low contaminants.
Food & Beverage Water Treatment: Used for water decolorization and purification in beer, beverage and food processing.
POU Water Post-Treatment: Provides efficient filtration for residential and commercial point-of-use water purification systems.
High-temperature steam activation delivers 900–1100 m²/g specific surface area and iodine number ≥900 mg/g for strong adsorption of organics, chlorine and odor.
Hardness ≥90% minimizes breakage and fines, ensuring stable performance in continuous water treatment systems.
Moisture ≤5% and ash ≤15% reduce inorganic leaching and avoid fouling downstream equipment.
NSF certified for safe use in drinking water, ultrapure water and food-grade water applications.
Multiple mesh sizes available for wide compatibility with gravity filters, pressure vessels and POU systems.
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 GAC type activated carbon used for?
A: It is mainly used for drinking water treatment, ultra-pure water purification and food-grade water applications.
Q2: Is GAC certified safe for drinking water?
A: Yes. It holds NSF certification and meets FDA 21 CFR food-grade requirements.
Q3: How does GAC compare to other activated carbons?
A: GAC has higher adsorption capacity, lower moisture/ash content and stronger mechanical strength, and is more cost-effective for municipal water projects.
Q4: What is the service life of GAC in drinking water treatment?
A: 1–3 years for chlorine removal, 6–18 months for organics/odor control, 6–12 months for ultra-pure water pretreatment.
Q5: Can GAC be used in electronics ultrapure water systems?
A: Yes. It is widely used for RO pretreatment, TOC reduction and final polishing in semiconductor ultrapure water systems.
Q6: Can GAC activated carbon be customized?
A: Yes. It can be customized with different particle sizes for various water treatment processes.
Q7: How to store and handle GAC to maintain certification?
A: Store in sealed, dry and clean environments; use dedicated equipment, follow FIFO rotation and rinse before installation.


