CN Black Membrane/White Grid Continuous Sterile Pack
Enhance your laboratory filtration workflow with the CN Black Membrane/White Grid Continuous Sterile Pack, designed for precision microbiology, sterility testing, colony counting, and analytical laboratory applications. Crafted from premium cellulose nitrate (CN) membranes, these black membranes with white grid markings provide exceptional contrast for accurate microbial colony detection and cell culture filtration.
Key Features & Benefits:
- Premium Cellulose Nitrate (CN) Membrane – Offers high microbial retention, consistent flow rate, and excellent chemical compatibility.
- White Grid for Accurate Counting – Ideal for quantitative microbiology, quality control, and research laboratories.
- Continuous Sterile Pack – Prevents contamination, ensures aseptic filtration, and improves laboratory safety.
- Multiple Applications – Suitable for bacterial and fungal filtration, pharmaceutical testing, water quality analysis, food and beverage microbiology, and environmental monitoring.
- Lab-Ready Sizes – Available in 47mm, 50mm, and 90mm diameters with pore sizes 0.22µm and 0.45µm, ensuring compatibility with vacuum filtration units, membrane filter holders, and analytical instruments.
Why Choose CN Black Membrane/White Grid Filters:
These mixed cellulose ester (MCE) filters are trusted by microbiologists, clinical labs, and research scientists for high-precision filtration. The black membrane with white grid design enhances colony visibility, reduces counting errors, and supports regulatory-compliant microbiological analysis.
Grid Membrane(Individual&Continuous Pack)
Grid Membrane-Specifications
Grid Membrane-Features
- Quality control begins with the QA of raw materials and maintained during and post-membrane casting process through regular sample testing intervals that includes microbial testing and particle counts.
- Gridded lines do not inhibit colony growth.
- All membrane filters comply with ISO 7704.
- MCE membranes is a mixture of cellulose nitrate and cellulose acetate which allows effective retention with high-flow rates and optimal colony growth.
- Each shipment includes COA ( Certificate of Analysis) or Quality Certificate .
Grid Membrane-Quality Control
- Bacterial Challenge: LRV>7（ATCC19146, ATCC14756,ASTM bacterial challenge test )for each lot of 0.2um and 0.45um products.
- Bacterial Endotoxin : < 0.25 EU/mL or < 2.15EU/device (LAL) for each lot of devices.
- Biosafety: Meets USP<88>Biological Reactivity test for Class VI Plastics.
- Recovery of Fecal Coliform: ≥90 %
- Traceable: All QC data is traceable for each lot from raw material to finished product.
- Reliably: Each lot of products are tested for seal and membrane integrity.
- ISO 9001 Quality Standard
Grid Membrane-Comparison of Bacterial recovery Rate against competitors
Grid Membrane-Comparison of Flow Rate against competitors
High Flowrate MCE membrane provides short filtration times for water, beer, wine, juice and other beverages saving time especially for multiple samples
Grid Membrane-Excellent Performance of Grids
Orientfiltr High Performance MCE membrane uses microbiological – “friendly” ink which promotes growth on grids to maximize recovery
Grid Membrane-Applications
Applications:
“Membrane Filtration Technique”
-Food Hygiene, water analysis method
- Colony counting (Microbial enumeration)
- General Microscopy
- Particulate counting and analysis
Industries:
- Bottled Water
- Food & Beverage (Beer, Wine, carbonated drinks, etc.)
- Environmental
- Cosmetics
- Pharmaceutical