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01 rockwool with glass cover fitted onto the plain metal sheet; |
SURFACEFINISHESThe thermosetting polyester powder coating process to which PANACOR AL 4G acoustic fence panels are subjected produces excellent resistance to the effects of adverse weather, heat or continued exposure to sunlight, by providing enhanced corrosion-resistance and thus a product that requires practically no maintenance. |
STAGE 1 PRE-TREATMENTAutomatic process to prepare panels for electrostatic application of paint powder. Dip 1 Tank capacity: 5600 l Dip temperature: 35 to 45ºC Composition of dip liquid: De-greasing agent; passivator; water; Daily monitoring of concentration levels in pre-treatment dip tank 1 according to specific procedure. Dip 2 Tank capacity: 2300 l Dip temperature: room temp. Composition of dip liquid: water Dip 3 Tank capacity: 2300 l Dip temperature: room temp. Composition of dip liquid: water |
STAGE 2 DRYINGAll metal parts are placed in a blow drying tunnel at a temperature of between 80 and 100ºC to eliminate any moisture prior to the subsequent spray coating stage. STAGE 3 PAINT BOOTHAutomatic process using robots and touch-up guns with spray nozzles that guarantee a perfectly smooth, uniform coat is applied to the panels to ensure an excellent finish. STAGE 4 POLYMERIZING OVENProcess in which the paint finish is achieved by applying heat for at least 10 minutes at an average temperature of 200 ºC Oven temperature: 165 to 230ºC. |