Testing Products for ASTM D6272
APP-D62724-Point Flexure of Unreinforced and Reinforced Plastics.
Application Insight:
4-point setup creates constant-stress region between loading noses.
Pro Tip:
Deflection: Mount an LVDT to the center to avoid machine compliance errors.
Regulatory & Test Details
| App Id | APP-D6272 |
|---|---|
| App Standard | ASTM D6272 |
| Standard Organization | ASTM |
| Test Type | Flexure |
| Material Type | Plastics |
| Specimen Type | Rectangular Bar |
| Industry Type | Consumer Goods |
| Min Force Kn | 0.1 |
| Max Force Kn | 25 |
| Max Spd Mm/m | 100 |
| Pointer App Software | N-ASTM-D6272 |
| Pointer Fixture Family | G-ASTM-D6272 |
| Pointer Strain Family | E-ASTM-D6272 |
Implementation Commentary
Advantageous over 3-point bending as it uniformly distributes axial fiber stress, making the test less sensitive to small material flaws.
Common Pitfalls
Span Ratios: Incorrect support-to-depth ratios introduce shear interference, invalidating flexural data.