... price 2.long service life 3.fireproor,moistureproof 4.easy application Tolerance in Dimension ItemindexRequirementLength<1200 ±3 1200~2400 ±4 ... %Asbestos freeRasdioactive<1.0Ira <1.0Ir Non-combustibilityA11. main application :suspended ceiling ,used in the office,market,school,workshop, ... resistant, hard corrosion, and won't be damaged to the ant by moisture or insect , etc, it can guarantee a ...