code/datums/materials/properties/_properties.dm 
| /datum/material_property | Singleton datums used to hold material property info |
|---|---|
| /datum/material_property/density | How dense a material is |
| /datum/material_property/hardness | How hard to deformation a material is, pierce/slashing impacts |
| /datum/material_property/flexibility | How well a material bends and sustains deformation |
| /datum/material_property/reflectivity | How shiny a material is |
| /datum/material_property/electric_conductivity | How electrically conductive a material is (siemens coeff) |
| /datum/material_property/thermal_conductivity | How well a material conducts heat |
| /datum/material_property/chemical_resistance | How well the material resists acids and other similar chemicals |