Hawach Filter Supplies

Hawach is a high-tech enterprise of filter supplies located in Xi’an, China, specializing in the production and sales of syringe filters, lab filter paper, and filter membranes. The company is also known as a reliable supplier of other laboratory consumables, like pipette tips, PCR tubes, etc.

Showcase of Hawach Filter Supplies

Select Guide of Hawach Filter Supplies

How to Choose Hawach Micron Syringe Filter?

nylon syringe filter

Nylon Syringe Filter

Features: Hydrophilic;
Resistant to some organic solvents;
Not resistant to strong acids;
High protein binding capacity;
Uses: Clarification and sterilization of
aqueous and organic solutions;
HPLC sample preparation;
Isolation of Legionella

Hydrophobic PTFE Syringe Filter

Hydrophobic PTFE Syringe Filter

Features: Hydrophobic Polytetrafluoroethylene;
Resistant to organic solvents and strong acids;
Has low protein binding capacity;
Uses: Used for anhydrous sample filtration,
strong acid and alkali and
other corrosive solutions.

0.22 Hydrophilic PTFE syringe filter

Hydrophilic PTFE Syringe Filter

Features: Hydrophilic Polytetrafluoroethylene;
Compared with hydrophobic PTFE,
the biggest feature is that it’s hydrophilic.
Uses: Used for corrosive solutions
such as aqueous solutions,
strong acids, and bases.

0.45 GF syringe filter_home-img

Glass Fiber Syringe Filter

Features: Glass Fiber; Partially hydrophobic;
Coarse filtration properties,
generally used as a pre-filter material,
cannot filter hydrofluoric acid.
Uses: Coarse filtration processes
such as pre-filtration

0.22 PVDF syringe filter_home-img

Hydrophobic PVDF Syringe Filter

Features: Hydrophobic;
Highly tolerant (secondary to PTFE),
fast flow rate;
Low protein binding.
Uses: Protein recovery and HPLC sample preparation.

0.22 PP syringe filter_home-img

PP Syringe Filter

Features: Polypropylene; Partially hydrophobic;
Strong corrosion resistance
(secondary to PTFE);
Low protein binding;
Uses: Protein recovery;
Pre-and final filtration;
Ion chromatography;
HPLC sample preparation for low detection levels.

0.22 MCE syringe filter_home-img

MCE Syringe Filter

Features: Hydrophilic Mixed Cellulose;
Higher protein binding capacity than CA;
Cannot be used for protein extraction;
High porosity allows for faster flow rates;
Suitable for water-based samples.
Uses: Clarification and disinfection of aqueous solutions;
Filtration of gas particles and bacteria;
Filtration of alcohol and particulate bacteria

0.45 PES syringe filter_home-img

PES Syringe Filter

Features: Hydrophilic Polyethersulfone;
Ultra-low protein binding
capacity and low extraction rate;
faster flow rate than PTFE and PVDF
Uses: For sterilization and filtration of
enzymes and proteins;
Extraction of biological fluids and
blood samples and tissue culture;
Biological and clinical analysis;
Filtration and sterilization of pharmaceuticals

Cellulose Acetate Syringe Filter

Features: Hydrophilic Cellulose Acetate;
Low protein binding;
Limited resistance to organic solvents;
Excellent throughput.
Uses: Filtration of proteins and enzymes;
Protein recovery;
Diagnostic cytology;
Biological and clinical analysis,
sterilization of tissues and media.

How to choose Hawach filter paper?

no 1 filter paper

No. 1 Qualitative Filter Paper

Filtration Speed: Medium
Pore ​​sizes: 11μm
Liquid filtration
Soil test
Air pollution monitoring

no 2 filter paper

No. 2 Qualitative Filter Paper

Filtration Speed: Medium
Pore ​​sizes: 8μm
Determination of vitamin C in food
Soil test
Air pollution monitoring

no 4 filter paper

No. 4 Qualitative Filter Paper

Filtration Speed: Fast
Pore ​​sizes: 20μm
Determination of vitamin C in food
Biological liquids or organic extracts
Determination of volatile acids in oils and fats

no 5 filter paper

No. 5 Qualitative Filter Paper

Filtration Speed: Slow
Pore ​​sizes: 2.5μm
Clarifies cloudy suspensions and water
Soil test

no 6 filter paper

No. 6 Qualitative Filter Paper

Filtration Speed: Slow
Pore ​​sizes: 3μm
Filter fat
Filtered boiler water before titration analysis

no 91 Filter Paper

No. 91 Wet Strengthened Filter Paper

Filtration Speed: Medium
Pore ​​sizes: 10μm
Analysis of sucrose components in cane sugar.
Widely used for routine sample filtration in pharmaceutical laboratories.

no 113 filter paper

No. 113 Wet Strengthened Filter Paper

Filtration Speed: Fast
Pore ​​sizes: 30μm
Suitable for filtration of large particles or filtration of gelatinous precipitates.
Vacuum filtration of viscous liquids.

Quantitative Filter Paper Grade 40

No. 40 Quantitative Filter Paper

Filtration Speed: Medium
Pore ​​sizes: 8μm
Monitoring of air pollutants.
Multi-component gravimetric analysis of cement, clay, steel and stainless steel products.

41 ashless quantitative Filter Paper

No. 41 Quantitative Filter Paper

Filtration Speed: Medium
Pore ​​sizes: 8μm
Filtration of coarse particles and gel precipitates
Filter digestion solution for spectroscopic, chromatographic, or mass spectrometry analysis

No 42 filter paper

No. 42 Quantitative Filter Paper

Filtration Speed: Slow
Pore ​​sizes: 2.5μm
Specific gravity analysis of precipitates such as barium sulfate, stannic acid, and finely precipitated calcium carbonate.
Filter gasoline or organic solvents.

No. 43 filter paper

No. 43 Quantitative Filter Paper

Filtration Speed: Medium
Pore ​​sizes: 16μm
Food analysis
Soil analysis
Inorganic analysis for construction, mining, and steel industries

no 44 filter paper

No. 44 Quantitative Filter Paper

Filtration Speed: Slow
Pore ​​sizes: 3μm
Very fine particles are retained.
Fine particle size filtration, such as barium sulfate, metastannic acid, cuprous oxide, etc.

How to Choose Hawach Membrane Filters?