Testing Products for ASTM D648
APP-D648Deflection Temperature (HDT) of Plastics Under Flexural Load.
Application Insight:
Fiber stress is fixed at 0.45 or 1.82 MPa.
Pro Tip:
Precise oil bath heating is vital.
Regulatory & Test Details
| App Id | APP-D648 |
|---|---|
| App Standard | ASTM D648 |
| Standard Organization | ASTM |
| Test Type | Flexure / Thermal |
| Material Type | Thermoplastics |
| Specimen Type | Bar / Plaque |
| Industry Type | Plastics/Polymers |
| Min Force Kn | 0.01 |
| Max Force Kn | 2 |
| Max Spd Mm/m | 10 |
| Mach Recommend | TestResources 100-500-6 | Single Column UTM | 2.2 kN 150 mm |
| Pointer App Software | N-ASTM-D648 |
| Pointer Fixture Family | G-ASTM-D648 |
| Pointer Strain Family | E-ASTM-D648 |
Implementation Commentary
Rate of temperature rise must be exactly 2∘C/min.
Common Pitfalls
Over-tightened support spans.