Chemical Powders Test Sieve

What is a chemical powders test sieve?

Chemical powders test sieve usually refers to a test sieve used for chemical powders particle size analysis, mainly used to determine the particle size distribution of powders by sieving. This equipment is widely used in chemistry, material science, pharmaceuticals, and powders metallurgy. Chemical powders test sieve is a device used in chemical laboratories and industrial production to perform particle size analysis and sieving of powdered chemicals. It separates powders samples into components of different particle sizes through a series of sieves with different mesh sizes, thereby determining the particle size distribution of the powders.

Video of Chemical Powders Test Sieve

How does the Chemical Powders Test Sieve work?

Sieving is the process of separating chemical powders particles of different sizes by using the mesh size of the sieve.

When the chemical powders sample passes through the sieve, the chemical powders particles smaller than the mesh size will pass through the sieve holes, while the chemical powders particles larger than the mesh size will be retained on the sieve.

By using a series of sieves with different mesh sizes, the chemical powders sample can be separated into components with multiple particle size ranges.

What types of chemical powders test sieves are there?

Classification by screen material and structure:

Chemical powders test sieves come in various types, each designed for specific applications and particle size ranges. Chemical powder test sieves are classified into various categories according to screen material, structure, screening method and application field.

Wire mesh test sieve		Screen made of wire	Most powders materials	Wide range of mesh size, widely used
Metal perforated plate test sieve		Screen made of metal plate with holes	Large particles or high-density materials	Durable and wear-resistant
Electroforming thin plate test sieve		Screen made by electroforming process	Ultrafine powders or high-precision requirements	Extremely high precision and uniform mesh

Classification by screening method:

Standard Test Sieve

Features: Made of stainless steel or brass, usually a round frame with a diameter ranging from 75mm to 300mm.

Use: Widely used in laboratory particle size analysis, suitable for dry powders screening.

Applicable scenarios: Pharmaceutical (powders particle size detection), chemical (pigment classification), material science (powders distribution analysis).

Ultrasonic Test Sieve

Features: Adding an ultrasonic device to the vibrating screen, breaking the adhesion between powders through high-frequency sound waves, and can screen particles below 20μm

Purpose: Designed for ultrafine powders or high-viscosity powders.

Applicable scenarios: Nanomaterials (such as titanium dioxide), polymer chemical powders.

Electromagnetic sieve

Features: Generate high-frequency vibrations through electromagnetic exciters to make chemical powders move on the sieve to achieve particle size classification

Purpose: Applicable to chemical powders with a variety of particle size ranges

Applicable scenarios: Particle size analysis and quality control in chemical, pharmaceutical, food and other industries

Classification by application field:

Standard soil sieve		used to analyze the particle size distribution of soil	soil testing	accurate results, in line with soil analysis standards
Standard gravel sieve		used to determine the particle size of sand, silt and clay	building material testing	applicable to the particle size analysis of gravel aggregates
Standard pharmacopoeia sieve		used for analysis and testing of pharmaceutical powders, pharmaceuticals, and pharmaceutical particles	pharmaceutical industry	comply with pharmacopoeia standards to ensure drug quality

Standard soil sieve used to analyze the particle size distribution of soil soil testing accurate results, in line with soil analysis standards

Standard gravel sieve used to determine the particle size of sand, silt and clay building material testing applicable to the particle size analysis of gravel aggregates

Standard pharmacopoeia sieve used for analysis and testing of pharmaceutical powders, pharmaceuticals, and pharmaceutical particles pharmaceutical industry comply with pharmacopoeia standards to ensure drug quality

Recommended mesh number for chemical powders test sieves

Application scenarios	Recommended mesh number range	Corresponding aperture range (μm)	Applicable powders examples	Remarks
Pharmaceuticals-powders particle size control	60-200 mesh	250-74	Aspirin, starch, microcrystalline cellulose	Ensure solubility and tableting uniformity
Material science-nanopowder	200-400 mesh	74-38	Titanium dioxide, aluminum oxide nanoparticles	Suitable for fine grading, requires ultrasonic vibration screen
Chemicals-pigment production	80-325 mesh	180-45	Titanium dioxide, red iron oxide	Control color dispersion and coating texture
Food chemistry-additives	100-250 mesh	150-63	Calcium carbonate, silicate	Avoid dust or affect food texture
Environmental science-Soil analysis	50-200 mesh	300-74	Soil particles, heavy metal pollutants	Grading analysis of pollutant distribution
Powders metallurgy-Raw material screening	40-120 mesh	425-125	Iron powders, copper powders	Ensure particle filling during pressing

Chemical Technical parameters of powders test sieve

Parameter name	Parameter range	Parameter name	Parameter range
Screening capacity	0.1-100kg/h	Screen mesh	4-400 mesh
Screen material	stainless steel, nylon, polyurethane, etc.	Vibration frequency	10-60Hz
Amplitude	0.5-5mm	Rotation speed	10-100rpm
Ultrasonic frequency	20-40kHz	Air flow speed	1-10m/s
Motor power	0.1-1.5kW	Equipment weight	10- 100kg
Noise level	<75dB	Power requirement	220V/380V, 50Hz/60Hz
Sieve frame diameter	100-400mm	Number of screening layers	1-5 layers
Screening accuracy	±0.01-0.1mm	Cleaning method	manual cleaning, automatic cleaning
Safety protection	overload protection, emergency shutdown	Environmental adaptability	normal temperature, high temperature, low temperature

What is the chemical powders test sieve used for?

Chemical powders test sieve is primarily used for particle size analysis and grading of powdered materials. It separates particles into different size ranges based on their dimensions, allowing for the determination of particle size distribution, which is critical for quality control, process optimization, and research in various industries.

Particle size analysis: Chemical powders test sieves are often used for particle size analysis. By screening sieves with different apertures, the size distribution of particles in chemical powders can be determined.

Particle separation: Chemical powders test sieves can separate particles of different sizes in chemical powders. By separating particles, the stability and effectiveness of drugs can be ensured.

Quality control: By testing the particle size and uniformity of chemical powders products, manufacturers can ensure that the products meet the specified quality standards.

Material screening: In material research and development, chemical powders test sieves can be used to screen materials of different particle sizes in order to select the most suitable materials for specific applications.

What are the advantages of chemical powders test sieve?

Particle size control to optimize conveying efficiency: Uneven particle size of chemical powders will cause problems such as blockage and bridging during conveying, reducing conveying efficiency. Too fine powders is easy to generate dust, which increases the difficulty of conveying. Through chemical powders test sieve for particle size analysis, the particle size distribution of the powders can be accurately grasped.

Static control to improve conveying safety: Some chemical powders are prone to static electricity during conveying, causing the powders to adsorb on the inner wall of the equipment and cause blockage. Chemical powders test sieve can analyze the static electricity generation characteristics of the powders and understand which particle size powders is more likely to generate static electricity.

Solve the change of chemical properties: Some chemical powders deteriorate due to friction, static electricity or oxidation during conveying, affecting performance. For powders that are prone to static electricity (such as plastic powders), chemical powders test sieve observes the adhesion during the test sieve screening, and adopts anti-static screens or grounding measures.

Deal with pipeline blockage and agglomeration: High viscosity or wet powders are prone to agglomeration in the conveying pipeline, causing blockage and affecting continuous production. Chemical powders test sieve can test the sieving efficiency of powders at different humidity levels and determine its agglomeration tendency.

Structure of Chemical Powders Test Sieve

Sieve frame: a frame used to fix the screen, usually made of stainless steel or plastic.

Sieve: select screens with different apertures according to the screening requirements to separate chemical powders of different particle sizes.

Vibration motor or rotating mechanism: provides vibration or rotation force to make the screen move.

Base: supports the entire equipment to ensure stable operation of the equipment.

Collection tray: used to collect sieved powders.

Chemical powder test sieve customer cases

Chemical powders test sieve plays an important role in screening and analysis in many industries. It not only improves production efficiency, but also ensures product quality. In many fields such as chemical raw materials, pharmaceutical powders, food additives, plastic powders, nanomaterials, etc., chemical powders test sieves can provide accurate, efficient and stable screening services. By reasonably selecting screening equipment, material screening in the production process can be more efficient and meet industry standards.

Quality control of pharmaceutical excipients	Optimizing pigment dispersion in coatings	Analyzing fertilizer particle size to ensure uniform application
Quality control of additives in polymer production	Specialty chemical raw material analysis	Environmental testing of chemical powders

Suppliers of chemical powders test sieve

Dahan Machinery is a well-known manufacturer specializing in test sieves, vibrating screeners, and particle size analysis equipment, including sieves for chemical powders, pharmaceuticals, battery materials, and more.

Our company provides various types of chemical powder test sieves. If you want to know the specific content or price of our products, you can contact us by email. We also support product customization. You can provide us with the required product output, screening frequency, etc.