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  • Kool-Blak 225 Mid Temp Black Oxide Finish for Steel

Kool-Blak 225 Mid Temp Black Oxide Finish for Steel

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Subtotal $69.63
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Kool-Blak 225 is a blackening solution that replaces hot black-oxide processes without compromises.

Samples available to purchase - CALL #262-786-9330.

PLEASE NOTE: Orders ship within 3 business days.

Corrosive
Corrosive
Health Hazard
Health Hazard
Irritant
Irritant

How to Use Kool-Blak 225

Kool-Blak 225 is a mid-temperature black-oxide solution that gives steel parts glossy black finishes while eliminating the hazards of caustic fumes and boiling temperatures.

Use Kool-Blak 225 to:

  • Coat steel parts with a glossy, smut-free black-magnetite finish
  • Reduce safety hazards and energy costs
  • Eliminate caustic fumes
  • Work with stable chemicals
  • Meet military specification MIL-DTS 13924D Class 1 and AMS 2485L

Getting Started

EPi offers half-liter starter kits for getting acquainted with Kool Blak 225. 

 

How to Use Kool-Blak 225

Kool-Blak 225 is a mid-temperature black-oxide solution that gives steel parts glossy black finishes while eliminating the hazards of caustic fumes and boiling temperatures.

Use Kool-Blak 225 to:

  • Coat steel parts with a glossy, smut-free black-magnetite finish
  • Reduce safety hazards and energy costs
  • Eliminate caustic fumes
  • Work with stable chemicals
  • Meet military specification MIL-DTS 13924D Class 1 and AMS 2485L

Getting Started

EPi offers half-liter starter kits for getting acquainted with Kool Blak 225. 

 

  • Customer Questions
  • Product Attachments
Where can I find the product literature: SDS and TDS?
The product literature: SDS, TDS, Sales Brochure, User Guides, and all other extras can be found under the "Product Attachments" tab.
Read More
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 than other hot black...
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.
How to prevent blackened parts from getting rusty?
Customers reach out to us asking how to prevent their freshly blackened parts from rusting. EPi recommends: Use running water to rinse the parts for 1-2 minutes; Do not dry the parts between prepping, cleaning, and blackening; Do not use compressed...
Product Documentation
Technical Data Sheet
Safety Data Sheet
User Guide
Sales Brochure

More Information

More Information
Best Seller No
Blackening Features Anti Galling, Abrasion Resistant, Mil-Spec DTS 13924D Class 1, Magnetite , Glossy Finish, Smut-Free , AMS 2485L
Hazardous Material Yes
Industrial Use Only No
Replacement For / Same As Tru Temp® Mid-Temperature Black Oxide

FAQ

Customer Questions
Where can I find the product literature: SDS and TDS?
The product literature: SDS, TDS, Sales Brochure, User Guides, and all other extras can be found under the "Product Attachments" tab.
Read More
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 than other hot black...
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.
How to prevent blackened parts from getting rusty?
Customers reach out to us asking how to prevent their freshly blackened parts from rusting. EPi recommends: Use running water to rinse the parts for 1-2 minutes; Do not dry the parts between prepping, cleaning, and blackening; Do not use compressed...
Please, mind that only logged in users can submit questions