Rheology Testing Services for Polymers, Fluids & Soft Materials
Rheological testing investigates the elastic, viscous and viscoelastic behaviour and properties of materials, under various shear and temperature conditions. Rheology deals with time-dependent material deformation and flow under stress. The vast testing laboratories network of Infinita Lab, USA, offers this test to clients in the USA and Canada.
TRUSTED BY
- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
Rheology Testing Overview
Rheology testing is a material characterization technique used to study the flow and deformation behavior of liquids, semi-solids, and soft solids under applied stress or strain. It provides critical insights into how materials respond to forces such as shear, compression, and extension during processing and application.
The test evaluates viscosity, viscoelasticity, and flow properties, which are essential for understanding material performance in real-world conditions. Rheology is widely used in polymers, coatings, pharmaceuticals, food, and cosmetics to optimize formulation, processing, and end-use behavior.
Scope, Applications, and Benefits
Scope
Rheology testing evaluates:
- Viscosity and flow behavior
- Shear stress and shear rate relationships
- Viscoelastic properties (storage and loss modulus)
- Time-dependent behavior (thixotropy, creep)
- Temperature-dependent flow characteristics
Applications
- Polymers and plastic processing
- Paints, coatings, and inks
- Food and beverage products
- Pharmaceuticals and cosmetics
- Adhesives, sealants, and lubricants
Benefits
- Determines flow and processing behavior
- Improves product formulation and consistency
- Supports quality control and batch comparison
- Predicts performance during application
- Optimizes manufacturing processes
Rheology Test Process
Sample Preparation
Material is conditioned and loaded onto rheometer geometry (cone, plate, or parallel plate).
1Shear/Stress Application
Controlled shear rate or stress is applied to the sample.
2Measurement
Response such as deformation, torque, or viscosity is recorded.
3Data Analysis
Rheological parameters such as viscosity and modulus are calculated.
4Rheology Technical Specifications
| Parameter | Details |
|---|---|
| Standards | ASTM D4440, ASTM D2196, ISO 3219 |
| Measurement Modes | Steady shear, oscillatory, creep, stress relaxation |
| Shear Rate Range | ~0.01 to 10⁴ s⁻¹ (material dependent) |
| Temperature Range | Ambient to ~300°C (instrument dependent) |
| Sample Type | Liquids, semi-solids, soft solids |
| Sample Type | Viscosity, shear stress, modulus (G', G'') |
Instrumentation Used for Testing
- Rotational rheometer (cone and plate, parallel plate)
- Capillary rheometer
- Temperature control system (Peltier or furnace)
- Torque and angular displacement sensors
- Data acquisition and analysis software
Results and Deliverables
- Viscosity vs shear rate curves
- Flow behavior (Newtonian / non-Newtonian)
- Viscoelastic properties (G’, G”)
- Thixotropy and time-dependent behavior
- Material performance evaluation
- Test report
Partnering with Infinita Lab for Optimal Results
Infinita Lab addresses the most frustrating pain points in the rheology testing process: complexity, coordination, and confidentiality. Our platform is built for secure, simplified support, allowing engineering and R&D teams to focus on what matters most: innovation. From kickoff to final report, we orchestrate every detail—fast, seamlessly, and behind the scenes.
Looking for a trusted partner to achieve your research goals? Schedule a meeting with us, send us a request, or call us at (888) 878-3090 to learn more about our services and how we can support you. Request a Quote
Frequently Asked Questions
Rheology testing studies how materials flow and deform under applied forces, providing information about viscosity, elasticity, and structural behavior, which is essential for predicting performance during processing and real-world application conditions.
Rheology measures viscosity, shear stress, shear rate, and viscoelastic properties such as storage and loss modulus, helping understand how materials behave under different mechanical and thermal conditions.
Viscosity is a single property describing resistance to flow, while rheology is a broader study that includes viscosity along with elastic and time-dependent deformation behavior of materials.
Industries such as polymers, coatings, food, pharmaceuticals, cosmetics, and adhesives use rheology testing to optimize formulations, improve processing, and ensure consistent product performance.
Rheology helps predict how materials behave during manufacturing and application, ensuring proper flow, stability, and performance, which leads to better product quality and reduced processing issues.
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