High Density SPX90 Foam
Foam Blocks 40mm x 100mm x 200mm
This foam is for making your own poppers or shapes.
it works and sands well.
SPX90 is a closed cell, cross-linked expanded Polyethylene foam. It is non-toxic and has good shock absorption characteristics.
It has a nominal density of 78kg/m2, a shore hardness of 30