for HDPE monomeric unit is ethene,

Steps i follow to create polyethene: build polymer > homopolymer > olefins (ethene) > create

using this step the calculated density of polymer is 0.87 g/cm3. (density i got from synthia module, even the branching are zero, penalty no. is 1)

my objective is to create a HDPE polymer which has density around 0.92 g/cm3.

my overall objective is to create HDPE polymer which has properties as mentioned in TDS, given below (technical data sheet).? 

please help and suggest any approach.

thank you

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