Electroplating

Chloride (Acid) Zinc Plating (ASTM B633)

Chloride, or acid, zinc plating delivers the brightest as-plated zinc finish and high plating efficiency — and it succeeds on substrates that give alkaline zinc trouble, including cast iron, castings, and high-carbon or hardened steel. Gleco plates chloride zinc to ASTM B633 with RoHS-compliant trivalent chromates at our AS9100D and ISO 9001:2015 certified, ITAR Registered Texas plants.

Request a Quote Design Guide

AS9100D
ISO 9001:2015
ITAR Registered
Rowlett & McAllen, TX

📍 Available at: Rowlett, TX (Dallas–Fort Worth) & McAllen, TX (Rio Grande Valley)

Acid (Chloride) vs. Alkaline Zinc

Attribute	Acid (Chloride) Zinc
Brightness	Brightest as-plated
Plating speed / efficiency	High
Difficult substrates (castings, high-carbon)	Excellent
Thickness distribution	Fair
Governing spec	ASTM B633

Steel parts zinc plated with a yellow chromate — Steel components finished on our chloride (acid) zinc line with a yellow chromate. Chloride zinc gives the brightest zinc deposit and works well on castings and high-carbon steel.

See also our zinc plating overview and full ASTM B633 spec table, alkaline zinc, and zinc-nickel.

FAQ

Chloride Zinc FAQ

Why choose chloride (acid) zinc?

Acid chloride zinc plates fast and produces the brightest as-plated finish. It also deposits well on substrates that alkaline zinc struggles with, such as cast iron, castings, and high-carbon or hardened steel.

Can you plate castings and high-carbon steel?

Yes. High plating efficiency and good coverage on difficult substrates make chloride zinc the go-to for castings, cast iron, and hardened or high-carbon steel parts.

What standard and finishes apply?

Chloride zinc is plated to ASTM B633 with clear, yellow/iridescent, and black trivalent chromate options. See our zinc overview for the full type, service-condition, and salt-spray table.

Is chloride zinc RoHS compliant?

Yes, with trivalent passivates (ASTM B633 Types III, V, VI). Hexavalent chromate is used only where a controlling specification requires it.

Get a Quote

Send your drawing and finish requirement. Request a quote →

Chloride zinc across North Texas

Chloride zinc is run daily at Rowlett. If you are sourcing locally, these pages cover lead times and shipping for the areas we serve most.

Zinc Plating — Dallas, TXRack and barrel zinc with clear, black and yellow trivalent chromates.Metal Finishing — Garland, TXPlating, passivation, anodizing and coating under one roof, minutes from Garland.

Ready when you are

Not sure which finish your part needs?

Send the print and we’ll tell you. Quotes typically back within one business day, from either plant.

Request a Quote 972-475-4300

Precision metal finishing since 1979. Plating, anodizing, coatings and passivation from two Texas plants.

Our paint, powder & Cerakote division: Gleco Paint & Powder Coating

AS9100D
ISO 9001:2015
ITAR Registered
DFARS Compliant
RoHS

Services

Company

Locations

Gleco Rowlett
2220 Grisham Drive
Rowlett, TX 75088
972-475-4300

Gleco McAllen
3800 W. Ursula Ave
McAllen, TX 78503
956-800-4069

info@glecoplating.com