VISCO	Ne 20/1	Ne30/1	Ne 40/1	Ne 45/1	Ne 50/1	Ne 60/1
Fines
Designed count	20/1	30/1	40/1	-	-	-
Count deviation	± 1.50	± 1.50	± 1.50	-	-	-
Coefficient of count variation	≤ 1.00	≤ 1.50	≤ 1.50	-	-	-
Number of Twist
Twist deviation	± 2.50	± 2.50	± 2.50	-	-	-
Coefficient of twist variation	≤ 3.50	≤ 3.50	≤ 3.50	-	-	-
Tenacity
Coefficient of tenacity variation	≤ 9.00	≤ 10.00	≤ 10.50	-	-	-
Uneveness
Uneveness Uster %	≤ 8.10	≤ 9.30	≤ 10.50	-	-	-
Coefficient of uneveness	≤ 10.13	≤ 11.63	≤ 13.80	-	-	-
Thins (-50%) (Thins/km)	0	3	9	-	-	-
Thicks (+50%) (Thicks/km)	≤ 5	≤ 20	≤ 30	-	-	-
Neps (+200%) (Neps/km)	≤ 15	≤ 45	≤ 80	-	-	-