What should be the RCT value of 20BF 150Gsm kraft paper?

The RCT (Ring Crush Test) value for 20BF 150 GSM kraft paper can vary based on factors such as the specific formulation and manufacturing process. Generally, for kraft paper, RCT values typically range from 1.0 to 3.5 N/m² for 150 GSM grades. It’s best to consult the manufacturer’s specifications or conduct a test to obtain the precise RCT value for that specific paper type.