Density Measurement of Bitumen or Asphalt
Bituminous materials are residues of the distillation processes of coal or petroleum products. They are highly viscous or even solid at room temperature. For monitoring their quality, density measurement is used on a routine basis on the heated samples. DMA 4200 M fulfills these high demands.
UK homes more suitable for heat pumps than expected
I have looked into installing heat pump to my 200 year old stone built home. My personal experience is that the vendors of these systems do not...