Foam balls 150mm wipe ID of drill pipes from cement, mud, brine and debris as per below technical specification.
Foam wiper balls should be able to wipe the I. D. of drill pipe or tubing string of cement, fluids and debris. Wiper balls should be made of high quality natural rubber and can be used in a temperature range of 40 °F (4 °C) to 302 °F (150 °C). The balls should be able to pass through small restrictions without being damaged. Wiper balls can be loaded into drill pipe or tubing connections easily passing through internal upset restrictions such as mechanical setting tools, diverters and liner running tools.
i) Size: 150mm + 2mmt
ii) Density: 160-180kg/m3
iii) Weight: 350g+20g
iv) Typical wiping Range: 4.75” to 2.00” (120.70mm to 50.8mm)
v) Minimum Restriction: 0.875” (22.2mm)
vi) Material: Natural Rubber
vii) Elongation at Break: 920%
viii) Tensile Strength: 28N/m2
ix) Heat/Cold Consistency: +80°C/-40°C