:: Black Oxide Finishing :: Manganese Phosphate Coating :: Zinc Phosphate Coating:: Passivation
"With 35 years of experience, it is our philosophy to put the customer first along with quality, competitive prices, fast service and above all courtesy, respect and cooperation."



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Allblack Co. provides its customers with quality zinc phosphate coatings at competitive prices.
Our zinc phosphate coating is slightly thinner than our manganese coating.
Zinc Phosphate is intended to produce highly corrosion resistant, non-metallic, zinc phosphate coatings on iron and steel surfaces. The coatings have great adherence and provide substantial protection from rust by bonding the final finish of stain, oil, wax or paint to the treated articles. The treatment produces a uniform coating and is especially suitable for rust proofing threaded pieces and articles with small holes or recesses.
Advantages
- Improved corrosion protection
- Improved abrasion resistance
- Improved lubricity
- Anti-Galling
- Reduces light glare and reflection
- Finish does not chip, flake, or peel
- Enhanced appearance
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Capabilities
- Up to 55 inches in length
- Rack or Barrel
- Steel only
- Can accomodate objects up to 4'10" x 9'5-1/2"
- Up to 3,000 lbs.
- Competitive Prices
- 24 hour service
- Reliable quality
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For most customers, we are able to complete any reasonable job in 24 hours. We operate on FIFO (First In, First Out) continuous process and can process most jobs the same day. Customers will be notified if we cannot run or rush the same day. There is an expedite charge for rush orders. |
Processes Performed Per Specification
Black Oxide: MIL-DTL-13924D (MIL-C-13924C) Class: 1, 2, 3, & 4
Phosphate: MIL-DTL-16232G (DOD-P-16232F) Type: M (Manganese) Type: Z (Zinc)
Phosphate: TT-C-490 Type: I Type: V
Passivate: AMS 2700 REV B, AMS-QQ-P-35, ASTM-A967-01 & QQ-P-35
Black Oxide on Brass or Copper: MIL-F-495
Quality System Conformation
ISO 9002 MIL-I-45208A ANSI/ASQC ZL4-1993 ANSI/NCSL Z540-1-1994
Approvals Held for Military Specifications
MIL-DTL-13924D (MIL-C-13924C) MIL-F-495 AMS 2485H MIL-DTL16232G (DOD-P-16232F) AMS 2481F AMS 2480E MIL-P-5002B ASTM-A967-01 SAE-AMS-QQ-P-35 (QQ-P-35)
Contact Us if your spec is not listed
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