Tru Temp® Stainless

Mid-Temperature Black Oxide for Stainless Steel
Mid-Temp Stainless Steel

TRU TEMP® STAINLESS

Low Temperature.
Low Caustic Content.
High Performance.
High Quality Stainless Black Oxide.

Birchwood Technologies

CLEAN & SMUT FREE FINISH

  • TRU TEMP® Stainless Black Oxide for stainless steel forms a black magnetite finish when applied on any stainless steel parts.

  • The TRU TEMP® Stainless process operates effectively at 200° to 210° F, much lower than traditional hot black oxide at 250-260° F.

  • Creates a protective black finish - 0.000020" (1 micron) thick, with an attractive satin black appearance equal to that of hot black oxide.

  • This robust coating is MIL-DTL-13924F Class 4 compliant.
See Finished Examples Gallery
Before
after
Stainless Steel before & after blackening

PROCESS STAINLESS STEEL PARTS IN A SINGLE PASS

The new TRU TEMP® Stainless black oxide finishing process is used as part of a two-stage chemical reaction, beginning with an activation step with a dilute muriatic acid solution. The stainless-steel surface is then oxidized to form the uniform black coating that can be sealed with an appropriate rust preventive topcoat for optimum appearance and corrosion resistance.

Black Oxide finished Socket head large diameter stainless screw
Stainless Steel Standard Ball Valve with Tru Temp Stainless Black Oxide

BT Tank Lines For Easy In House Black Oxide Finishing

Tru Temp Stainless Parts

“THEY GOT IT RIGHT”

“We tried many ways to black oxide stainless steel but always fell short. But Birchwood got it right – it’s dynamite”, stated Steve D’Alfonzo, president of American Metaseal. “Zach Johnson at Birchwood is so helpful and got us going with the new Tru Temp Stainless black oxide and it has helped us pick up new customers.”

temperature comparison
Zero Chromium

CONTAINS ZERO CHROME & IS LESS CAUSTIC

  • TRU TEMP® Stainless Zero Chrome in the formulation vs competition who have potassium dichromate added.
  • 30-40% less caustic content than other products on the market.
200° – 210°F temperature range

200° – 210°F TEMP

Operates at an optimum 200° – 210°F temperature range making it easy to use in-house and operator friendly. Other stainless black oxides operate at a much higher temp range between 250° – 260°F, making TRU TEMP® Stainless preferred finish as it never reaches boiling/splattering temp.

See Finished Examples Gallery

Finishes 200, 300, 400 series and 17-4 pH stainless steel

The most common finishing line configuration completes the blackening in under an hour in a seven-step process which includes: clean, rinse, activation, rinse, blackening, rinse, and sealing. Alternate process designs can be accommodated for most workflows.

Let us test finish your parts. Call 952-937-7931

BT40 finishing system
Tru Temp Stainless
Interested in seeing if TRU TEMP® Stainless is right for your parts?
Complete our Sample Finishing Authorization and our sales staff will be in touch regarding your parts and finishing needs.

Tru Temp® Stainless

Solution for blackening stainless steel

TRU TEMP® Stainless Mid Temperature Black Oxide Process operates at 200 – 210° F and forms a durable black oxide finish on stainless steel alloys.

Mid-Temp Stainless Steel
Tru Temp® Stainless
P/N 622251
5 Gallon
$37.50
/Gallon
Add to Cart
Tru Temp® Stainless
P/N 622258
55 Gallon
Call for
Pricing
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Mini Tru Temp® Stainless Blackening Line BKTTSS

5 Gallon tool room scale Black Oxide operates effectively at 200° to 210° F.

Tru Temp® Stainless Black Oxide for stainless-steel substrates forms a black magnetite finish. Shipped by Federal Express.

NOT FOR SALE IN CALIFORNIA

BK-TT Tru Temp Mini-Kit
Mini Tru Temp® Stainless Blackening Line BKTTSS
P/N 890410
$1139.00
Add to Cart