1. Brief:POLYPHEN handmade sandwich panel is a structure made of three layers: low density polyurethane inserted in between two relatively thin skin layers.This composite panel setup allows to achieve excellent mechanical performance at minimal weight. The Polyphen hand made board can be used as a interior wall sandwich panels,exterior composite wall panels..etcPolyphen® is a rigid thermal insula.on foam, which combines good mechanical proper.es with high fire resistance. It can be used in a wide range of applica.ons including sandwich panels, lagging of pipes, ducts and tanks as well as resid
POLYPHEN Handmade Sandwich Panel