Products » Stop-Off / Protective Coatings for Steel

Paint type coatings used to prevent carburizing or decarburizing in heat treat operations other than molten salt baths. Can be sprayed or applied with a brush.

Stop-Off Protective Coatings for Steel

PRODUCT IDENTITYHEAT TREAT MEDIAWORKING RANGE
No CarbAir, Atmosphere, Pack1400-1700 deg F
(760-927 deg C )
No Carb SpecialAir, Atmosphere, Pack1400-1700 deg F
(760-927 deg C )
No Carb GreenAir, Atmosphere, Pack1400-1800 deg F
(760-982 deg C )
Nit-OffAir, AtmosphereStandard Nitriding Temperatures

No Carb Water-based paint containing copper and is used to prevent carburization or decarburization of steel during heating for hardening, carburizing, annealing, normalizing, forging or rolling.

No Carb Special Similar to No Carb, but with a thicker, heavy duty formulation for special applications.

No Carb Green A completely new, water washable, stop-off compound for gas, vacuum or pack carburizing operations. Effective stop-off for case depth to 0.250" at temperatures as high as 1800 deg F.

Nit-Off Water soluble stop-off compound for gas nitriding.