# Made from a legacy file. 
# Molecular weights source unknown.
# Density source unknown.
# Material composition source unknown.

# Material name:
# polyethylene_legacy

# Number of elements:
2

# Density:
0.9300

# Atomic number(s) and corresponding mass fraction(s):
1    0.143716    # hydrogen
6    0.856284    # carbon

# Note: this is a legacy material specification and is included for those who may want to repeat prior experiments that used it.
# There are multiple types of polyethylene. For new work, LDPE, MDPE, HDPE, or a specification of your design may be preferred.
