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Guardman WS

Minimize the risk of producing cast metals with surface defect due to defective green sand molds and ensure the stable output.

Countermeasure againstBurn-on/Penetration

Penetration is caused by penetration of molten metal in the molding sand grains. Burn-on is caused by the chemical reaction of molding sand with oxide produced on the surface of molten metal.

Countermeasure
1. Screen out old molding sand.
2. Remove old molding sand.
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Recommended ProductsFireman                    Burn-on

 

Casting Surface Defect

**Sand Inclusion
**Scab
**Push-up
**Crumbling
**Burn-on/Penetration
**Rough surface

 

Technological material

**Percent Defective
**Mold Surface Stability
**Moisturizing Effect
**Change in temperature

 

 

 

 

 

 

 

 

 

 
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