Rheometer

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Rheometers are valuable tools for R&D, quality control and process optimization of materials with complex rheological behavior such as polymers, slurries, suspensions, emulsions and foams. They provide insights into material flow behavior and mechanical properties that aid in the formulation, design and performance evaluation of a wide variety of products and processes.

working principle：

Rheometers can be divided into different types according to their working principles, such as rotational rheometers, capillary rheometers, oscillatory rheometers, and extensional rheometers. One of the commonly used types is the rotational rheometer, which consists of a rotating spindle or cone-plate geometry that applies shear stress to the sample. Capillary rheometers measure the flow of materials through small diameter capillaries to study their viscosity and flow behavior under different conditions. Oscillatory rheometers apply an oscillatory deformation to a sample to study its viscoelastic properties such as storage modulus, loss modulus, and phase angle.

Standards：

ISO 6502 / ISO 13145

ASTM D5289 / ASTM D6048 / ASTM D6204

ASTM D6601 / ASTM D7605 / ASTM D7050

ASTM D8059

DIN 53529

Parameters：

Dimensions: 8.5" Depth x 12.5" Width x 25.5" Height

Weight: 66 lbs (with bath) or 61 lbs (with carbon block)

Pressure Range: Atm to 2,000 psi

Sample Size: 32 to 78 ml

Resolution: 0.01% of full scale range or better

Temperature Range: Ambient (20 °F with Chilling Device) to 500°F (260°C)

Speed Range: 0.0001 to 1,100 rpm continuous

Frequency Range: 0.01 to 5 Hz (Optimized at 0.2 to 3 Hz)

Amplitude Range: 0.1% to 500 % (Optimized at 0.2% to 500%)

Shear Rate Range: 0.00004 to 1870 sec-1

Shear Stress Range: 1 to 15,000 dyn/cm2

Viscosity Range: 0.5 to 5,000,000 Centipoise

Torque: 14 μN.m to 100 mN.m

Repeatability: ±0.05% of full scale range or better

Voltage: 110-120V AC (220-240V AC with Transformer)*

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