Melt viscosity (shear rate dependence), melt tension, swell ratio
This is a test to measure the physical properties of molten polymer materials as they flow through a capillary, including shear rate, viscosity, and shear stress. Generally, when polymers are measured at a constant temperature, the viscosity decreases as the shear rate increases. Therefore, it is necessary to specify the shear rate when comparing viscosities. Additionally, this testing machine can also measure die swell (Barus effect) and melt strength.
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basic information
【Features】 ○ Molten polymer materials flow out through a capillary ○ Measurement of material properties, shear rate-viscosity, and shear stress ○ Measurement of die swell (Barus effect) and melt strength is also possible ● For other functions and details, please contact us.
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At DJK, we respond to all customer needs swiftly and accurately under confidentiality. DJK engages in the following activities related to polymer materials and composite materials: 1. Synthesis, polymerization, and modification reactions 2. Compounding, molding, and sample processing 3. Material testing, physical property measurement, and analysis services 4. Technical consulting 5. Defective product failure analysis testing 6. Application and testing outsourcing for overseas standards (FDA/EPA, DMF, biodegradability certification, and others)