Testing Products for ASTM D3574
APP-D3574A massive multi-part standard (Tests A-L) covering indentation force deflection (IFD) and tear resistance. This configuration focuses on the Newton-Series control architecture to ensure high-fidelity data acquisition. Utilizing a 32-bit digital signal processor, the system provides a superior Signal-to-Noise Ratio (SNR), which is essential for capturing precise material transitions that lower-resolution systems often miss.
The load frame for this application has been selected to provide the most cost-effective solution capable of meeting the standard’s peak force requirements. While TestResources offers a wide range of frame geometries, this specific selection represents the optimal balance between laboratory CAPEX and technical compliance. Any frame in our catalog meeting the minimum load rating will adhere to the standard; however, this configuration is our primary recommendation for those seeking a reliable, streamlined testing platform without unnecessary complexity.=
Pre-flexing: You must compress the foam to 75% of its thickness twice before taking the actual measurement.
Ensure the perforated base plate allows air to escape; trapped air creates pneumatic stiffness errors.
Regulatory & Test Details
| App Id | APP-D3574 |
|---|---|
| App Standard | ASTM D3574 |
| Standard Organization | ASTM |
| Test Type | Compression/Tear |
| Material Type | Foam |
| Specimen Type | 15" x 15" x 4" Slab |
| Industry Type | Furniture/Auto |
| Min Force Kn | 0.1 |
| Max Force Kn | 5 |
| Max Spd Mm/m | 500 |
| Expert Spd | IFD (Indentation Force Deflection) Test B. The high speed is necessary to simulate a person sitting down on a foam cushion. |
| Mach Recommend | TestResources 110-1125-18 | Cantilever UTM | 5 kN 455 mm |
| Pointer App Software | N-ASTM-D3574 |
| Pointer Fixture Family | G-ASTM-D3574 |
| Pointer Strain Family | E-ASTM-D3574 |
Implementation Commentary
This is the Gold Standard for mattress and car seat comfort (IFD – Indentation Force Deflection).
Common Pitfalls
Incorrect dwell time (60 seconds) after reaching target deflection, leading to high readings.