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A. The surface of the foam board has pores (and some of these pores are broken).
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B. The foam core of the panel has internal indentations.
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C. The foam board was torn with jagged edges on both sides.
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D. The foam board has uneven thickness.
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E.The foam board has air channels inside.
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F.Longitudinal Grooves Appear on the Surface of Foam Board
F.Longitudinal Grooves Appear on the Surface of Foam Board
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G.Foam boards exhibit a wavy texture
G.Foam boards exhibit a wavy texture
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H.Foam Board Shrinkage and Deformation
H.Foam Board Shrinkage and Deformation
