... defence,transportation and other industries. Ideal material for heat insulation and sound insulation of industrial facilities such as tank,boiler,flue ,heat ... and compression-resistance, specially suitable for heat preservation and heat insulation for large ships ,tanks ,ovens,.pipelines and other industrial facilities ... pipe≤3.5Hydrophobicity(%)>98Tally with GB5480 Rock Wool Adhbit Aluminum Foil Felt