Classification of PE

According to the Japanese Industrial Standard (JIS), PE is classified according to density as follows:

 
Classification according to molecular structure
Branched
Linear
Classification according to density
LDPE
910kg/m³ orabove
Less than 930kg/m³
HP-LDPE
LLDPE
Medium-density PE
930kg/m³ orabove
Less than 942kg/m³
MDPE
High-density PE
942kg/m³ orabove
HDPE