A stopper with an internal hole made of polyethylene porous plastic, which is used to lock before pouring cement. The backstop has low water absorption, good thermal insulation and is easy to operate.
The backstop is suitable for most joint sizes and has a good degree of compaction - more than 35%. The backstop also has good resistance to gasoline, oil and solvents.
Product information:
Type: polyethylene plastic with closed cells.
Color: gray
Density: 25-30 kg per m³
Temperature resistance: from -45 ° C to + 90 ° C.
Water absorption: no
Smell: no