26 3 2012 COOLMANT CLM Subject to technical modifications System description 1 Medium pipe Material Polyethylene class PE100 with high density to DIN EN ISO 12162 Life expectancy 50 years at 20 C 16 bar or 40 C 11 6 bar as per DIN 8074 SF 1 25 Properties suitable as district cooling cold water and waste water pipe PE carrier pipe Density Thermal conductivity Tensile strengts Modulus of elasticity Linear expansion coefficient Crystallite melting range Reference temperature 40 C 20 C 20 C 20 C Value 952 960 kg m 0 40 W mK 32 N mm2 1000 N mm2 1 8 10 E 4 1 K 130 135 C Test standard DIN 53479 DIN 52612 DIN 53455 DIN 53457 DIN 52328 2 Thermal insulation Material CFC free 100 CO2 blown polyurethane foam PUR PUR insulation Density Thermal conductivity Percentage of closed cells Water absorption after 24 hours Reference temperature 30 Rigid pipes Ø 125 Ø 315 60 kg m 0 024 W mK 90 10 Test standard ISO 845 EN 253 and ISO 8497 EN 253 3 Protective casing Material Polyethylene class PE 100 with high density Purpose mechanical protection and moisture resistance PE protective casing Density Thermal conductivity Tensile strengts Reference temperature Rigid pipes 956 kg m 0 40 W mK 19 N mm2 Test standard ISO 1133 DIN 52612 DIN EN 253 2 105

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