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DSC (Differential Scanning Calorimeter)

Owner: Mengjun Guo

Principle:

The difference in heat flow derived from the temperature difference between a test specimen and a reference specimen is measured as a function of temperature or time while varying the temperature of the specimens in accordance with a controlled program. In this type of measurement, the difference in temperature between the test specimen and reference specimens is proportional to the difference in heat flow.

Capabilities:

Melt Temperature

Melt Enthalpy (latent heat of fusion)

Crystallization Temperature

Crystallization Enthalpy

Glass Transition Temperature

Specific Heat (Cp)

Asset:


TA DSC25

ISO 11357


Thermal transitions in the range: -50°C to 500°C

Equipped with autosampler


Thermal Balance

Owner: Mengjun Guo

Principle:

By heating the sample on the balance until constant weight. Determination of the moisture content with the loss on drying method and consists of a weighing and halogen-heating unit. 

Capabilities:

>100ppm

Asset:

Mettler HG63

Simple operation

Short measurement time (5 – 15 minutes)

Density Tester

Owner: Mengjun Guo

Principle:

The analytical balance can operate by immersion method and calculate the density of the sample automatically using a software integrated into the analytical balance.

Capabilities:


Asset:


Mettler Toledo Balance

ASTM D792

Specimens may be in any void-free form except for powder and should have a mass of at least 1g.（The color chips and impact bars can be used to test the density.）

Muffle Furnace (Ash content)

Owner: Mengjun Guo

Principle:

Test the residual ash content of the sample which is calcined at high temperature. The organic part of the sample is oxidatively decomposed after burning at high temperature, and evaporates as a gas. The residual part is called ash.

Capabilities:

Component analysis (get the content of inorganic filler)

Asset:


Yamato FP310

ISO 3451

Temperature range:

RT-1000°C

Molding parts/pellets (2g)

Capillary Viscometers (IV)

Owner: Tingting Zhang

Principle:

The differential viscometer has two capillaries connected in series with a sample loading/injection valve before the second capillary. Two differential pressure transducers, P1 and P2, are connected in parallel across the capillaries. A pump continuously supplies solvent flow. The ratio of the pressures P2 and P1 is proportional to the ratio of the viscosities of the fluid in capillary 2 to that in capillary 1.

Capabilities:

IV is a measure of molecular weight for Nylon based materials that can be used to evaluate molding conditions and to define processing windows.

Asset:


DSV Y501D

ASTM D5225

Molding parts/pellets

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