Kapa ʻia ʻo Polyurethane Sandwich Panel i kapa ʻia ʻo PU Sandwich Panel, ʻo ka ʻaoʻao luna a me lalo o kēia panel he Galvanized & Pre-painted steel sheets, a ʻo ka mea nui he 5 mau ʻāpana Polyurethane glue, ua hana ʻia e ka hoʻomehana ʻana, ka huʻa a me ka laminating.ʻO ka polyurethane ka mea maikaʻi loa no ka wela a me ke kani.Hiki iā ia ke hōʻemi i ka hoʻoili ʻana o ka wela ma muli o ka ʻokoʻa o ka mahana o loko a me waho, a hiki i ka ʻoi loa o ka pono o ka hau a me nā ʻōnaehana refrigeration.He ʻano hou ia o ka mea hoʻoheheʻe wela no ka haʻahaʻa haʻahaʻa o ke kumukūʻai.