WIWA COATING UNITES FOR FOUNDRY BLACK WASH

  • For good removability of the casting from the mold material
  • For styrofoam as well as sand models
  • Significantly less overspray due to application with WIWA airless technology
Brochure

Product description

Foundry washes create a sealed surface between the sand and metal necessary to allow the release of the piece from the form after casting. Black wash is applied through spraying in the fluid state using a WIWA Low Pressure Pump DA 10:1. Either Styrofoam or sand models can be coated. The coating serves to eliminate the rough finish of the form and core to produce smooth casting surfaces. Through the application of the wash using WIWA Airless technology (airless spraying), significantly less overspray is produced as compared to air-assisted systems. WIWA equipment technology for spraying black wash with various solids content.

Technical data

DesignationNiederdruck DA
Pressure ratio10:1
Output per cycle72 ccm
Max. output10 l/min
Max. inbound air pressure8 bar
Max. operating pressure80 bar
Order number0665329
DesignationPROFESSIONAL CLASSIC 28023
Pressure ratio23:1
Output per cycle153 ccm
Max. output28 l/min
Max. inbound air pressure8 bar
Max. operating pressure185 bar
Order number0656355
N - Normal steel galvanized, not stainless, R - stainless, RS - Stainless steel, rust and acid resistant.
B - On container, D - on tripod, F - on chassis, G - on rack, GZ - With feed funnel, W - on wall mount.
ASL - suction tube, DAS - Direct suction.

Foundry washes create a sealed surface between the sand and metal necessary to allow the release of the piece from the form after casting. Black wash is applied through spraying in the fluid state using a WIWA Low Pressure Pump DA 10:1. Either Styrofoam or sand models can be coated. The coating serves to eliminate the rough finish of the form and core to produce smooth casting surfaces. Through the application of the wash using WIWA Airless technology (airless spraying), significantly less overspray is produced as compared to air-assisted systems. WIWA equipment technology for spraying black wash with various solids content.

DesignationNiederdruck DA
Pressure ratio10:1
Output per cycle72 ccm
Max. output10 l/min
Max. inbound air pressure8 bar
Max. operating pressure80 bar
Order number0665329
DesignationPROFESSIONAL CLASSIC 28023
Pressure ratio23:1
Output per cycle153 ccm
Max. output28 l/min
Max. inbound air pressure8 bar
Max. operating pressure185 bar
Order number0656355
N - Normal steel galvanized, not stainless, R - stainless, RS - Stainless steel, rust and acid resistant.
B - On container, D - on tripod, F - on chassis, G - on rack, GZ - With feed funnel, W - on wall mount.
ASL - suction tube, DAS - Direct suction.