Heat Loss | Comments |
---|---|
HEAT LOSS: The Thermal Radiation Transmittance of Greenhouse Coverings Polyethylene is 70.8% (by far the worst), Mylar film (polyester) 16.2%, PVC 12.0%, glass 4.4%, rigid fiberglass 1.0%; condensation on polyethylene film reduces the heat loss by 50%. OD75-122 | 0 |