... absorbency exceptional purity, cleanliness, and softness SMT wiping cloth, engineered for SMT printing cleaning use; and contamination control wipes ... with gamma ray sterilizationexceptional purity, cleanliness, and softness SMT Understencil Wiping RollsWeight(gsm)Width(mm)Length(M)Printing ... 5651020 5652034 5637210PANASONIC5637224 565808.5FUJI5642010YAMAHA5642020 5642040 SMT understencil wiping roll