If PUR (Polyurethane) and PIR (Polysocyanate) are preferred, heat resistance is higher and there is no flame walking feature and it goes out. The smoke surface it emits is minimal. N-Pentane blowing gas is preferred.
It has the feature of sticking in the foaming stage. Although PUR is less stable than PIR, it has superior thermal insulation feature. Sandwich Panel Production Line can be positioned as I Type and J Type.The production capacity of the line is mostly related to the Press length. For this reason, Sandwich Panel Production Lines are called according to their Press Lengths.
Continuous PU & PIR Sandwich Panel Production line layout
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