DSC Differential Scanning Calorimeter ASTM
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The Differential Scanning Calorimeter (DSC) measures heat flow to/from a sample (1-10 mg) in a closed crucible within a temperature-controlled furnace, using a reference crucible. It operates in dynamic (constant heating rate) or isothermal (constant temperature) modes, measuring heat flow as a function of time and temperature.
Application：
It is used to analyze the thermal effect and corresponding temperature when the physical or chemical properties of organic and inorganic materials change under the program temperature control. It can test and analyze the melting point and enthalpy change of the sample, and can also be used to determine the time of automatic catalytic oxidation of the sample under the condition of normal temperature oxygen to evaluate the thermal stability of the sample, suitable for plastics and rubber materials.
Standard：
ASTM D3418 – Standard Test Method for Transition Temperatures and Enthalpies of Fusion and Crystallization of Polymers by Differential Scanning Calorimetry.
ASTM D3895 – Standard Test Method for Oxidative-Induction Time of Polyolefins by Differential Scanning Calorimetry.
ASTM D4419 – Standard Test Method for Measurement of Transition Temperatures of Petroleum Waxes by Differential Scanning Calorimetry.
ASTM D4591 – Standard Test Method for Determining Temperatures and Heats of Transitions of Fluoropolymers by Differential Scanning Calorimetry.
ASTM D5028 – Standard Test Method for Curing Properties of Pultrusion Resins by Thermal Analysis.
ASTM E793 – Standard Test Method for Enthalpies of Fusion and Crystallization by Differential Scanning Calorimetry.
ASTM E794 – Standard Test Method for Melting and Crystallization Temperatures By Thermal Analysis.
ASTM E1269 – Standard Test Method for Determining Specific Heat Capacity by Differential Scanning Calorimetry.
ASTM E1356 – Standard Test Method for Assignment of the Glass Transition Temperatures by Differential Scanning Calorimetry.
ASTM E1782 – Standard Test Method for Determining Vapor Pressure by Thermal Analysis.
ASTM E2160 – Standard Test Method for Heat of Reaction of Thermally Reactive Materials by DSC.
ASTM E2716 – Standard Test Method for Determining Specific Heat Capacity by Sinusoidal Modulated Temperature Differential Scanning Calorimetry.
GB/T17391-1998 –Test method for thermal stability of polyethylene pipes and fittings
1S011357-6 –：Plastics — Differential scanning calorimetry (DSC) — Part 6: Determination of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT)
ASMT D3895 –Standard Test Method for Oxidative Induction Time of Polyolefins by Differential Scanning Calorimetry (DSC)
GB/T –Plastics — Differential scanning calorimetry (DSC) — Part 3: Determination of temperature and enthalpy of melting and crystallization
1S011357-3 –Plastics — Differential scanning calorimetry (DSC) — Part 3: Determination of temperature and enthalpy of melting and crystallization
Parameters：
| Description | Details |
|---|---|
| DSC ranges | ±10. +20. +40. +100. +160. +200mW (can be automatically switched) |
| Temperature range | RT - 500°C |
| Temperature accuracy | +0.1°C |
| Heating rate | 1 - 30°C/min |
| Gas supply system | Nitrogen, oxygen automatic switching (user-selectable) |
| Gas flow rate | ≤200ml/min |
| Gas pressure | 0.2MPa |
| Crucible material | Aluminum |
| Power supply | AC 220V 50Hz |
| Overall dimensions | 400x350x280mm |
| Weight | 10kg |
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