Ultra-Blak 407-L BLACKENING CHEMICALS FOR STAINLESS STEEL

Subtotal $45.17
In stock
Only %1 left

Ultra-Blak 407-L is a ready-to-use liquid solution that produces a black finish on stainless steel surfaces, offering dimensional stability and abrasion resistance.

Add 1–5 gallons per week per 100-gallon bath to replace chemistry consumed through drag out.

CALL #262-786-9330 for quote.

Corrosive
Corrosive
Health Hazard
Health Hazard
Irritant
Irritant

How to Use Ultra-Blak 407-L

Ultra-Blak 407-L is a ready-to-use formula that can be used to blacken any stainless steel item or surface.

Use Ultra-Blak 407-L to:
  • Give stainless steel parts sleek black finishes
  • Work with a hot-temperature black-oxide solution
  • Ensure dimensional stability
  • Achieve superior abrasion resistance
  • Give black-oxide baths an initial charge
  • Meet MIL-DTL-13924D Class 4 standards

How to Use Ultra-Blak 407-L

Ultra-Blak 407-L is a ready-to-use formula that can be used to blacken any stainless steel item or surface.

Use Ultra-Blak 407-L to:
  • Give stainless steel parts sleek black finishes
  • Work with a hot-temperature black-oxide solution
  • Ensure dimensional stability
  • Achieve superior abrasion resistance
  • Give black-oxide baths an initial charge
  • Meet MIL-DTL-13924D Class 4 standards
  • Customer Questions
  • Product Attachments
Can EPi process parts for me?
Yes! EPi's staff would be more than happy to process sample parts for you. We actually prefer it that way, so that you can see exactly how the finishing looks on your parts, and you can be sure you'll be happy with the results. Please fill out ...
Are there distributors of EPi products near my location?
Please call EPi at 262-786-9330 or email: us-sales@epi.com.
Where can I find a technical data sheet (TDS) or safety data sheet (SDS) for EPi's products?
These documents can be found on each product page. You can download PDFs of TDSs, SDSs, product brochures, and more.
When will my order ship?
Please see each individual product page for more information on the availability of each item. We try to process and ship non-sample orders in 3 business days. Samples and Trial Kits have a 5 business day lead time to process and ship. Also, after...
How do I track my order?
Click the "Login" link at the top right-hand side of our site to track your order. If you do not have an account with us just give us a call at 262-786-9330.
How do I create an account?
Click the "Login" link at the top right-hand side of site.
How do I return a product?
Please call us at 262-786-9330 or email: us-sales@epi.com.
Does EPi ship to international countries?
EPi's ecommerce site cannot accept online online orders from outside the continental United States. To place an order for shipment to Alaska, Hawaii, Puerto Rico, or an international country, please call 262-786-9330 or email us-sales@epi.com.
What is black oxide?
Black oxide is a blend of caustic, oxidizers, and additives that is used on ferrous metals. There are three types of metal blackening: hot, mid, and room temperature blackening. EPi was the first company to offer all three processes. <...
What makes EPI’s black oxide and metal-blackening processes better?
Insta-Blak processes do not produce smutty rub-offs like other room-temperature products. Our Ultra-Blak products are premium-grade black oxide, and Kool-Blak does not produce a smutty rub off like other mid-temperature processes. They are easy-...
What are the advantages of black oxide and metal blackening?
Ultra-Blak:
  • Produces true black oxide finish Fe3O4 magnetite finish
  • Abrasion resistance
  • Corrosion protection
  • Meets military spec MIL-DTL-13924D and AMS 2485H
  • Blackens faster than other...
What can black oxide be used for?
Black oxide can be used on a wide variety of metals. Examples of specific products that can be blackened with black oxide are listed below. 
  • Locks
  • Automobile and motorcycle parts
  • Machine parts
  • Power ...
Who uses black oxide?
Large companies such as lock manufacturers or auto manufacturers use black oxide on a large-scale basis to blacken metal parts. Black oxide can also be used by the home hobbyist who would prefer to blacken just a few items. Below are some of the major...
How is black oxide applied?
Hot- and mid-temperature black oxide is applied through a seven-step process.
  1. Clean and degrease metal parts
  2. Rinse metal parts
  3. Hydrochloric acid
  4. Rinse metal parts
  5. Blacken parts in boiling solution (hot...
What types of metal can you blacken with hot or room-temperature black oxide ?
  • Steel
  • Stainless steel
  • Cast iron
  • Copper
  • Brass
  • Cadmium
  • Zinc
  • Nickel
  • Electroless nickel

More Information

More Information
Best Seller No
Grid Label Best Seller
Blackening Features Anti Galling, Abrasion Resistant, Satin Finish, Mil-Spec DTS 13924D Class 4
Hazardous Material Yes
Industrial Use Only No
Replacement For / Same As Ultra Blak 407, PX-5L,Black Magic SS-L

FAQ (15)

Customer Questions
Can EPi process parts for me?
Yes! EPi's staff would be more than happy to process sample parts for you. We actually prefer it that way, so that you can see exactly how the finishing looks on your parts, and you can be sure you'll be happy with the results. Please fill out ...
Are there distributors of EPi products near my location?
Please call EPi at 262-786-9330 or email: us-sales@epi.com.
Where can I find a technical data sheet (TDS) or safety data sheet (SDS) for EPi's products?
These documents can be found on each product page. You can download PDFs of TDSs, SDSs, product brochures, and more.
When will my order ship?
Please see each individual product page for more information on the availability of each item. We try to process and ship non-sample orders in 3 business days. Samples and Trial Kits have a 5 business day lead time to process and ship. Also, after...
How do I track my order?
Click the "Login" link at the top right-hand side of our site to track your order. If you do not have an account with us just give us a call at 262-786-9330.
How do I create an account?
Click the "Login" link at the top right-hand side of site.
How do I return a product?
Please call us at 262-786-9330 or email: us-sales@epi.com.
Does EPi ship to international countries?
EPi's ecommerce site cannot accept online online orders from outside the continental United States. To place an order for shipment to Alaska, Hawaii, Puerto Rico, or an international country, please call 262-786-9330 or email us-sales@epi.com.
What is black oxide?
Black oxide is a blend of caustic, oxidizers, and additives that is used on ferrous metals. There are three types of metal blackening: hot, mid, and room temperature blackening. EPi was the first company to offer all three processes. <...
What makes EPI’s black oxide and metal-blackening processes better?
Insta-Blak processes do not produce smutty rub-offs like other room-temperature products. Our Ultra-Blak products are premium-grade black oxide, and Kool-Blak does not produce a smutty rub off like other mid-temperature processes. They are easy-...
What are the advantages of black oxide and metal blackening?
Ultra-Blak:
  • Produces true black oxide finish Fe3O4 magnetite finish
  • Abrasion resistance
  • Corrosion protection
  • Meets military spec MIL-DTL-13924D and AMS 2485H
  • Blackens faster than other...
What can black oxide be used for?
Black oxide can be used on a wide variety of metals. Examples of specific products that can be blackened with black oxide are listed below. 
  • Locks
  • Automobile and motorcycle parts
  • Machine parts
  • Power ...
Who uses black oxide?
Large companies such as lock manufacturers or auto manufacturers use black oxide on a large-scale basis to blacken metal parts. Black oxide can also be used by the home hobbyist who would prefer to blacken just a few items. Below are some of the major...
How is black oxide applied?
Hot- and mid-temperature black oxide is applied through a seven-step process.
  1. Clean and degrease metal parts
  2. Rinse metal parts
  3. Hydrochloric acid
  4. Rinse metal parts
  5. Blacken parts in boiling solution (hot...
What types of metal can you blacken with hot or room-temperature black oxide ?
  • Steel
  • Stainless steel
  • Cast iron
  • Copper
  • Brass
  • Cadmium
  • Zinc
  • Nickel
  • Electroless nickel
Please, mind that only logged in users can submit questions