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Govandi, Mumbai, Maharashtra
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Anti Nitriding Stop-off Paste

Gas Nitriding And Plasma Ion Nitriding are case hardening processes. They improve wear resistance, seizing resistance, corrosion resistance and fatigue life of nitrided parts. 

Quite often, selective gas nitriding or selective plasma-ion nitriding becomes necessary. ESPON anti-nitriding stop off pastes are very useful in preventing nitriding on the coated areas.

Plastic injection moulding machinery parts are nitrided for better wear resistance. However, threaded areas must not be nitrided. ESPON anti-nitriding stop-off paste is used to mask or protect such areas from nitriding.

Hot forging dies are nitrided to increase their service life. However, during die sinking, machining of fully nitrided forging dies is very time consuming due to their high hardness. Expensive machine-tools used for machining such nitrided dies wear out fast. Hence, time and money are lost during machining of fully nitrided dies. 

An effective way to solve this problem is by carrying out selective nitriding, only on the impression of the die, where the hardness is required. Remaining portion of the die is coated with ESPON anti-nitriding stop-off paste before charging dies into nitriding furnace. Hence, ESPON coated areas of die will be protected from nitriding. Hardness will be achieved only on exposed die impression during nitriding. This technique has proven increased forging die life and easy machinability of forging die. 

Use of ESPON anti-nitriding stop-off pastes have proven to substantially reduce die machining time during die sinking. As the coated areas do not get nitrided or hardened, they can be easily machined without causing damage to tools. This leads to increased life of expensive tools.



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ESPON-ANT Anti-Nitriding Stop-Off Paste is a non-hazardous, ready-to-use product. It is used by coating/ painting on areas of the component that need to be protected from nitriding.

ESPON-ANT Anti-Nitriding Stop-Off Paste enables selective gas nitriding. It is free from lead.

 

Specifications of Anti Nitriding Powder:

Packing10 kgs. special HDPE containers
DescriptionLight Grey Paste.
SafetyNon flammable. Non-hazardous. Lead-free.
Shelf Life12 months in factory sealed condition
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Steel Plant Specialties LLP

Srikar Shenoy(Director)
No. 211 Raikar Chambers, Govandi East,
Mumbai - 400088
Maharashtra, India
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