High Density Polyethylene resists staining
- Will not swell, warp or crack; can be machine washed
- Smooth white surface provides excellent background for photographing samples
Dimensional scales for quick sizing of specimens are provided on abscissa (0 to 25 in 0.5) and ordinate (0 to 20 in 0.5) axes. 16 mm thick with molded-in trough to contain effusion. Trough extends around entire perimeter approximately 10 mm from edge. Dimensions: 330 x 279 mm. 3889D91 pins include 100 styrene-capped hardened steel pins for securing specimens.