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CBR Filters are used in California Bearing Ratio or Limerock Bearing Ratio testing to separate the spacer disc from the soil during compaction. They can also be placed between the soil surface and perforated plate prior to the soaking phase. Filters are 5.94in (151mm) in diameter.
BRA-75 CBR Filter, No. 100 Stainless Steel Mesh is reusable woven wire with No. 100 (150μm).
BRA-76 CBR Filter Paper is single-use and made of coarse filter paper and available in a package of 100.
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