Permeability Cup Manufacturer,Supplier and Exporter in India
.jpg)
Product Code : SCL-G-12526
The Permeability Cup is a laboratory testing apparatus used for evaluating the transmission of water vapour through films, coatings, membranes and other suitable sheet materials by a gravimetric cup method. It is intended for educational laboratories, material science studies, chemical engineering training and supervised investigations of permeability and barrier performance.
Product Description
The Permeability Cup provides a practical method for investigating how readily water vapour passes through a test specimen. A suitable film or sheet sample is sealed across the cup opening, creating a controlled interface between the cup interior and the surrounding test environment.
During a typical gravimetric test, a humidity difference is maintained across the specimen by using water, a desiccant or another specified test medium according to the chosen procedure. Changes in the total mass of the assembled cup over time can then be used to evaluate water-vapour transmission behaviour. Exact cup construction, test area, capacity, sealing arrangement and applicable standard should be confirmed for the final product.
Key Features
- Supports permeability testing: designed for experiments involving vapour transmission through suitable films and sheet specimens.
- Demonstrates barrier performance: helps compare how effectively different materials restrict moisture-vapour transfer.
- Gravimetric test principle: supports evaluation based on measured mass change over a defined period.
- Suitable for material studies: relevant to films, membranes, coatings and similar samples where compatible with the selected method.
- Hands-on laboratory value: connects permeability theory with specimen preparation, weighing and data analysis.
- Useful for comparative experiments: enables comparison of different materials under controlled test conditions.
Technical Specifications
|
Specification |
Detail |
|
Product Name |
Permeability Cup |
|
Brand |
School Equipments |
|
Product Category |
Material Testing Apparatus / Laboratory Permeability Equipment / Chemistry Lab Equipment |
|
Primary Keyword |
Permeability Cup |
|
Secondary / Semantic Keywords |
water vapour permeability cup, film permeability tester, water vapour transmission apparatus, coating permeability test, gravimetric cup method, barrier property testing, material testing apparatus |
|
Intended Users |
Educational laboratories, material science departments, chemical engineering laboratories, research institutions and supervised student laboratories |
|
Standards or Certifications |
Not specified in the supplied product data |
What's Included in the Kit
- 1 Permeability Cup main unit
- Specimen clamping or sealing arrangement
- Gasket or sealing components
- Test medium or desiccant
- Operating instructions
Applications / Uses
- Evaluating water-vapour transmission through suitable films and sheet materials.
- Comparing the moisture-barrier performance of different specimens.
- Studying permeability and permeance in material science experiments.
- Supporting laboratory teaching in coatings, polymers and chemical engineering.
- Extending material-property studies with the Solid Materials Kit.
- Supporting related humidity observations with Cobalt Chloride Test Paper.
How to Use the Permeability Cup
- Prepare a test specimen of suitable size and condition it according to the selected test method.
- Add the specified quantity of water, desiccant or other required test medium to the cup.
- Position the specimen across the cup opening without wrinkles, gaps or visible damage.
- Seal and clamp the specimen according to the confirmed cup configuration.
- Record the initial mass using an appropriate laboratory balance.
- Place the assembled cup under the required temperature and humidity conditions.
- Reweigh it at specified intervals and calculate transmission behaviour according to the chosen test procedure.
Safety note: Follow the selected laboratory method and the safety requirements of all test liquids, desiccants, coatings and specimens used. Wear appropriate personal protective equipment where required.
Care & Maintenance
- Clean and dry the cup thoroughly after each test without damaging sealing surfaces.
- Inspect gaskets, clamps and sealing areas before every experiment.
- Avoid scratches or deformation that could compromise the test seal.
- Store the apparatus in a clean, dry laboratory cabinet.
Why Choose School Equipments
School Equipments manufactures and exports scientific laboratory instruments, chemistry equipment, science kits, mathematics kits, didactic models and STEM equipment for educational use. Its catalogue includes equipment for studying chemical and physical properties of materials as well as general laboratory procedures.
Educators and laboratory buyers can explore the wider Materials & their Properties range and the broader General Lab Equipment collection. Final cup material, test area, sealing system, dimensions and applicable test method should be confirmed before ordering.
Frequently Asked Questions
What is a Permeability Cup used for?
A Permeability Cup is used to investigate the transmission of water vapour through films, coatings, membranes or other suitable sheet specimens using a gravimetric cup method.
How does a Permeability Cup work?
A specimen is sealed over the cup opening, and a controlled humidity difference is established across it. Changes in the mass of the assembled cup over time are used to evaluate vapour transmission behaviour.
What materials can be tested with a Permeability Cup?
Depending on the selected method and cup configuration, suitable test specimens may include polymer films, membranes, coating films and other sheet materials.
Does the Permeability Cup directly display a permeability value?
Not necessarily. A conventional gravimetric cup test requires periodic weighing and calculation according to the chosen test method and specimen dimensions.
Is the Permeability Cup suitable for educational laboratories?
Yes. It is relevant to supervised experiments in material science, chemistry, coatings technology and chemical engineering where barrier properties and vapour transmission are studied.
Which test standard applies to this Permeability Cup?
No specific standard was provided for this product. The applicable method must be confirmed from the final cup dimensions, exposed test area, sealing configuration and intended specimen type.
Explore the complete Materials & their Properties collection from School Equipments for additional teaching resources and laboratory apparatus for studying material behaviour and physical properties.
