This machine is mainly designed according to ISO1856 method A (ASTM D3574-D JIS K6400-7), the sponge is indented to 50% of the original thickness with a clamp, placed in an incubator with a temperature adjusted to 70, and taken out after 22 hours Compressor, after the sample is taken out of the compressor and placed for 30 minutes, the thickness is measured and the deformation is calculated.
Parameters of Sponge permanent compression deformation testing machine
| Sample requirements | 50mmX50mmX25mm |
| Incubator to control temperature | Accurate to ±10°C |
| Incubator working voltage | 220V |
