Rock Wool Sandwich Panel Fire performance: raw materialFire s, production processes and formulations used in rock wool sandwich panel, it has excellent fire performance. Tests showed that it has over 1000 ° C fire resistance. Rock wool sandwich panel has passed the Italian authorized organs GLOROANO SPA test, in accordance with the International Organization for Standardization (ISO), the British BS and German DIN standards, rock wool sandwich panels to meet fire safety standards M.I14 / 09/61 91 Letter No. and DM30 / 11/83 requirements. Test results are as follows: 1) 50mm thick rock wool sandwich RE130 80mm thick rock wool sandwich panel REL60 100mm thick rock wool sandwich panel REL 120