The weight of the paper in grams per square meter. Typical BF Ranges Paper quality is often categorized by its BF value:
In the paper and packaging industry, stands for Bursting Factor (or Burst Factor). It is a critical measure used to determine the strength of paper or cardboard relative to its weight. Bf.rar
Bursting Factor (BF)=Bursting Strength (kg/cm2)×1000GSM of paper (g/m2)Bursting Factor (BF) equals the fraction with numerator Bursting Strength (kg/cm squared close paren cross 1000 and denominator GSM of paper (g/m squared close paren end-fraction The weight of the paper in grams per square meter