weight	porosity
99	28.8
101.1	27.9
102.7	27
103	25.2
105.4	22.8
107	21.5
108.7	20.9
110.8	19.6
112.1	17.1
112.4	18.9
113.6	16
113.8	16.7
115.1	13
115.4	13.6
120	10.8