DiffuLayer® JK Series Glass Microfiber Filter Sheets and Rolls are available in two grades:
JK1820 (GF/A): Balanced performance for general filtration, electrochemical testing, and custom cutting.
JK1823 (GF/D): Higher loading capacity and faster flow for particle-rich samples, prefiltration, and large-area filtration.
Sheets are suitable for direct use, flat filtration, and small-scale cutting. Rolls are suitable for batch punching, continuous cutting, custom shapes, and different laboratory devices.
| Parameter | JK1820 | JK1823 |
|---|---|---|
| Grade | GF/A | GF/D |
| Pore Size | 1.6 μm | 2.7 μm |
| Product Positioning | General-purpose and balanced | High-loading prefilter |
| Filtration Speed | Relatively fast | Fast |
| Loading Capacity | Relatively high | High |
| Recommended Samples | General laboratory solutions | Particle-rich and highly turbid samples |
| Recommended Applications | General filtration, electrochemical testing, and custom cutting | Prefiltration and large-area filtration |
| Product Forms | Sheets and rolls | Sheets and rolls |
| Feature | Description |
|---|---|
| Two Grades | JK1820 for general use; JK1823 for high-loading prefiltration |
| Sheets and Rolls | Suitable for direct use or secondary processing |
| Multiple Widths | Roll widths from 55 to 400 mm |
| Multiple Lengths | Available in 1, 3, and 5 m |
| Easy to Cut | Can be processed into discs, squares, strips, or custom shapes |
| Depth Filtration | Suitable for particle retention and sample pretreatment |
| Good Liquid Absorption | Suitable for liquid filtration and electrochemical testing |
Batch disc punching: Rolls can be processed into discs of different diameters using a punch or die-cutting machine.
Electrochemical testing: The material can be cut according to electrode and fixture dimensions for wetting tests, filter-media screening, and electrode separation.
Large-area filtration: Rolls with widths of 300 or 400 mm are suitable for flat filtration and large laboratory devices.
Prefiltration: JK1823 is recommended for highly turbid or particle-rich samples before fine filtration.
Custom processing: Sheets and rolls can be cut into round, square, strip-shaped, or other customized forms.
Select the appropriate sheet size.
Handle with clean tweezers.
Use directly or cut to the required dimensions.
Check that the cut edges are smooth and free from excessive fiber shedding.
Pre-wet before filtration or electrochemical testing when required.
Unroll the material on a clean, flat surface.
Measure and mark the required size.
Cut using a sharp blade, punch, or die-cutting machine.
Avoid excessive stretching, folding, or repeated bending.
Reseal unused material to protect it from moisture and dust.
Use sharp cutting tools to reduce edge fiber shedding.
Keep the cutting area clean and free from dust or oil.
Do not repeatedly fold, rub, or stretch the material.
For battery experiments, cut the material slightly larger than the electrode.
Increase vacuum gradually during vacuum filtration.
Select JK1823 for samples with high particle content.
Store unused material sealed in a clean, dry, and dust-free environment.
Perform a compatibility test before use with strong acids, alkalis, special solvents, or high temperatures.
Choose sheets for direct use, small-scale cutting, or flat filtration. Choose rolls for batch punching, continuous cutting, and custom processing.
JK1820 has a nominal particle retention of 1.6 μm and provides balanced performance. JK1823 has a nominal particle retention of 2.7 μm, faster flow, and higher loading capacity.
Yes. A punch or die-cutting machine is recommended for consistent size and smooth edges.
The roll width should be larger than the required cutting size, with sufficient allowance for processing.
It is usually caused by a blunt blade, repeated pulling, or uneven cutting pressure. Use a sharp tool and complete the cut in one pass.
Yes. Both sheets and rolls can be processed into discs, squares, strips, and other custom shapes.
JK1823 is recommended for particle-rich and highly turbid samples.
Reseal unused rolls and store them in a dry, clean, dark environment protected from moisture, compression, and contamination.
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DiffuLayer® JK Series Glass Fiber Filter (Sheets & Rolls)
| Product Model | Product Parameters | Specification | Price (USD) |
|---|---|---|---|
| JK1820 | GF/A Pore Size: 1.6 μm Balanced general-purpose grade | Sheet: 90 mm × 90 mm_50 pcs/box | $31 |
| Sheet: 100 mm × 100 mm_50 pcs/box | $35 | ||
| Sheet: 100 mm × 100 mm_100 pcs/box | $70 | ||
| Sheet: 120 mm × 120 mm_50 pcs/box | $51 | ||
| Roll: 55 mm × 1 m_1 roll | $10 | ||
| Roll: 55 mm × 3 m_1 roll | $28 | ||
| Roll: 55 mm × 5 m_1 roll | $39 | ||
| Roll: 60 mm × 5 m_1 roll | $39 | ||
| Roll: 100 mm × 1 m_1 roll | $15 | ||
| Roll: 100 mm × 3 m_1 roll | $44 | ||
| Roll: 100 mm × 5 m_1 roll | $75 | ||
| Roll: 120 mm × 1 m_1 roll | $15 | ||
| Roll: 120 mm × 3 m_1 roll | $44 | ||
| Roll: 120 mm × 5 m_1 roll | $75 | ||
| Roll: 152 mm × 5 m_1 roll | $56 | ||
| Roll: 300 mm × 3 m_1 roll | $88 | ||
| Roll: 400 mm × 3 m_1 roll | $115 | ||
| JK1823 | GF/D Pore Size: 2.7 μm High-loading prefilter grade | Sheet: 120 mm × 120 mm_10 pcs/box | $39 |
| Sheet: 120 mm × 120 mm_20 pcs/box | $67 | ||
| Sheet: 300 mm × 300 mm_1 pc/pack | $23 | ||
| Roll: 120 mm × 1 m_1 roll | $39 | ||
| Roll: 120 mm × 3 m_1 roll | $91 | ||
| Roll: 120 mm × 5 m_1 roll | $155 | ||
| Roll: 300 mm × 1 m_1 roll | $79 | ||
| Roll: 300 mm × 3 m_1 roll | $183 | ||
| Roll: 300 mm × 5 m_1 roll | $315 |
Partial references citing our materials (from Google Scholar)
Carbon Dioxide Reduction
1. ACS Nano Strain Relaxation in Metal Alloy Catalysts Steers the Product Selectivity of Electrocatalytic CO2 Reduction
The bipolar membrane (Fumasep FBM) in this paper was purchased from SCI Materials Hub, which was used in rechargeable Zn-CO2 battery tests. The authors reported a strain relaxation strategy to determine lattice strains in bimetal MNi alloys (M = Pd, Ag, and Au) and realized an outstanding CO2-to-CO Faradaic efficiency of 96.6% with outstanding activity and durability toward a Zn-CO2 battery.
2. Front. Chem. Boosting Electrochemical Carbon Dioxide Reduction on Atomically Dispersed Nickel Catalyst
In this paper, Vulcan XC-72R was purchased from SCI Materials Hub. Vulcan XC 72R carbon is the most common catalyst support used in the anode and cathode electrodes of Polymer Electrolyte Membrane Fuel Cells (PEMFC), Direct Methanol Fuel Cells (DMFC), Alkaline Fuel Cells (AFC), Microbial Fuel Cells (MFC), Phosphoric Acid Fuel Cells (PAFC), and many more!
3. Adv. Mater. Partially Nitrided Ni Nanoclusters Achieve Energy-Efficient Electrocatalytic CO2 Reduction to CO at Ultralow Overpotential
An AEM membrane (Sustainion X37-50 Grade RT, purchased from SCI Materials Hub) was activated in 1 M KOH for 24 h, washed with ultra-purity water prior to use.
4. Adv. Funct. Mater. Nanoconfined Molecular Catalysts in Integrated Gas Diffusion Electrodes for High-Current-Density CO2 Electroreduction
In this paper (Supporting Information), an anion exchanged membrane (Fumasep FAB-PK-130 obtained from SCI Materials Hub (www.scimaterials.cn)) was used to separate the catholyte and anolyte chambers.
SCI Materials Hub: we also recommend our Fumasep FAB-PK-75 for the use in a flow cell.
5. Appl. Catal. B Efficient utilization of nickel single atoms for CO2 electroreduction by constructing 3D interconnected nitrogen-doped carbon tube network
In this paper, the Nafion 117 membrane was obtained from SCI Materials Hub.
In this paper, Proton exchange membrane (Nafion 117), Nafion D520, and Toray 060 carbon paper were purchased from SCI Materials Hub.
7. National Science Review Confinement of ionomer for electrocatalytic CO2 reduction reaction via efficient mass transfer pathways
An anion exchange membrane (PiperION-A15-HCO3) was obtained from SCI Materials Hub.
8. Catalysis Communications Facilitating CO2 electroreduction to C2H4 through facile regulating {100} & {111} grain boundary of Cu2O
Carbon paper (TGPH060), membrane solution (Nafion D520), and ionic membrane (Nafion N117) were obtained from Wuhu Eryi Material Technology Co., Ltd (a company under SCI Materials Hub).
Batteries
1. J. Mater. Chem. A Blocking polysulfides with a Janus Fe3C/N-CNF@RGO electrode via physiochemical confinement and catalytic conversion for high-performance lithium–sulfur batteries
Graphene oxide (GO) in this paper was obtained from SCI Materials Hub. The authors introduced a Janus Fe3C/N-CNF@RGO electrode consisting of 1D Fe3C decorated N-doped carbon nanofibers (Fe3C/N-CNFs) side and 2D reduced graphene oxide (RGO) side as the free-standing carrier of Li2S6 catholyte to improve the overall electrochemical performance of Li-S batteries.
This paper used more than 10 kinds of materials from SCI Materials Hub and the authors gave detailed properity comparsion.
The commercial IEMs of Fumasep FAB-PK-130 and Nafion N117 were obtained from SCI Materials Hub.
Gas diffusion layers of GDL340 (CeTech) and SGL39BC (Sigracet) and Nafion dispersion (Nafion D520) were obtained from SCI Materials Hub.
Zn foil (100 mm thickness) and Zn powder were obtained from the SCI Materials Hub.
Commercial 20% Pt/C, 40% Pt/C and IrO2 catalysts were also obtained from SCI Materials Hub.
3. Journal of Energy Chemistry Vanadium oxide nanospheres encapsulated in N-doped carbon nanofibers with morphology and defect dual-engineering toward advanced aqueous zinc-ion batteries
In this paper, carbon cloth (W0S1011) was obtained from SCI Materials Hub. The flexible carbon cloth matrix guaranteed the stabilization of the electrode and improved the conductivity of the cathode.
4. Energy Storage Materials Defect-abundant commercializable 3D carbon papers for fabricating composite Li anode with high loading and long life
The 3D carbon paper (TGPH060 raw paper) were purchased from SCI Materials Hub.
5. Nanomaterials A Stable Rechargeable Aqueous Zn–Air Battery Enabled by Heterogeneous MoS2 Cathode Catalysts
Nafion D520 (5 wt%), and carbon paper (GDL340) were received from SCI-Materials-Hub.
Carbon cloth (W0S1011) and other electrochemical consumables required for air cathode were provided by SCI Materials Hub.
Oxygen Reduction Reaction
1. J. Chem. Eng. Superior Efficiency Hydrogen Peroxide Production in Acidic Media through Epoxy Group Adjacent to Co-O/C Active Centers on Carbon Black
In this paper, Vulcan XC 72 carbon black, ion membrane (Nafion N115, 127 μL), Nafion solution (D520, 5 wt%), and carbon paper (AvCarb GDS 2230 and Spectracarb 2050A-1050) were purchased from SCI Materials Hub.
2. Journal of Colloid and Interface Science Gaining insight into the impact of electronic property and interface electrostatic field on ORR kinetics in alloy engineering via theoretical prognostication and experimental validation
The 20 wt% Pt3M (M = Cr, Co, Cu, Pd, Sn, and Ir) were purchased from SCI Materials Hub. This work places emphasis on the kinetics of the ORR concerning Pt3M (M = Cr, Co, Cu, Pd, Sn, and Ir) catalysts, and integrates theoretical prognostication and experimental validation to illuminate the fundamental principles of alloy engineering.
Water Electrolysis
1. International Journal of Hydrogen Energy Gold as an efficient hydrogen isotope separation catalyst in proton exchange membrane water electrolysis
The cathodic catalysts of Pt/C (20 wt%, 2–3 nm) and Au/C (20 wt%, 4–5 nm) were purchased from SCI Materials Hub.
2. Small Science Silver Compositing Boosts Water Electrolysis Activity and Durability of RuO2 in a Proton-Exchange-Membrane Water Electrolyzer
Two fiber felts (0.35 mm thickness, SCI Materials Hub) were used as the porous transport layers at both the cathode and the anode.
3. Advanced Functional Materials Hierarchical Crystalline/Amorphous Heterostructure MoNi/NiMoOx for Electrochemical Hydrogen Evolution with Industry-Level Activity and Stability
Anion-exchange membrane (FAA-3-PK-130) was obtained from SCI Materials Hub website.
Fuel Cells
1. Polymer Sub-two-micron ultrathin proton exchange membrane with reinforced mechanical strength
Gas diffusion electrode (60% Pt/C, Carbon paper) was purchased from SCI Materials Hub.
Characterization
1. Chemical Engineering Journal Electrochemical reconstitution of Prussian blue analogue for coupling furfural electro-oxidation with photo-assisted hydrogen evolution reaction
An Au nanoparticle film was deposited on the total reflecting plane of a single reflection ATR crystal (SCI Materials Hub, Wuhu, China) via sputter coater.
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