An Inspection sieve certificate shall state at a minimum the value for the average aperture size, separately in both the warp and shute direction of the sieve cloth.

New Sieve Certification, Per A.S.T.M- E11 Section 7.2.2 An Inspection sieve certificate shall state at a minimum the value for the average aperture size, separately in both the warp and shute direction of the sieve cloth. A Certificate with this inspection data must be supplied. All of the procedures will be performed by highly skilled individuals using state of the art Nikon Comparators.

ReCertification-Taking in your used sieves and recertifying so that you are sure your sieves in use still conform to A.S.T.M. specs. Recertification sieves are supplied with our Certificate of inspection and conform to ASTM-E11, Section 7.2.2

If at any point your sieve being recalibrated fails, you will not be charged for the recertification of that sieve. We will contact you and go over your options that will best suite your needs. All of the procedures will be performed by highly skilled individuals using state of the art Nikon Comparators.