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
Health Hazard
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.
UseUltra-Blak 407-Lto:
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.
UseUltra-Blak 407-Lto:
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 hot black oxides
Less sludge generation ...
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 tools
Hardware and electornic hardware...
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.
Clean and degrease metal parts
Rinse metal parts
Hydrochloric acid
Rinse metal parts
Blacken parts in boiling solution (hot: approximately 285 F°, mid: no boiling, 225...
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, make sure you select the correct product for your needs as one product cannot blacken all types of metal.
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
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 hot black oxides
Less sludge generation ...
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 tools
Hardware and electornic hardware...
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.
Clean and degrease metal parts
Rinse metal parts
Hydrochloric acid
Rinse metal parts
Blacken parts in boiling solution (hot: approximately 285 F°, mid: no boiling, 225...
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, make sure you select the correct product for your needs as one product cannot blacken all types of metal.
Please, mind that only logged in users can submit questions
