Columbia Chemical’s black all trivalent passivating conversion coating for electroplated zinc nickel alloy is now part of GM’s limited list of approved finishers for. Trivecta Ni-Z Black 70 with Trivecta Black Sealer approved under the GMW Type B, BL specification. Blog Post: 4/3/ . Columbia Chemical has. 29 Mar NI-Z BLACK 70 with TRIVECTA BLACK SEALER meets all of the GMW Type B, BL specification minimum requirements including

Author: Akilabar Voodoolrajas
Country: Switzerland
Language: English (Spanish)
Genre: Life
Published (Last): 26 May 2018
Pages: 398
PDF File Size: 11.76 Mb
ePub File Size: 16.61 Mb
ISBN: 946-9-65042-791-9
Downloads: 79278
Price: Free* [*Free Regsitration Required]
Uploader: Vugrel

Various alloy platings are covered by this gjw4700 with supplementary treatments. The six 6 sigma torque range value must gmw within the listed range See Table 2.

The coating shall have good adhesion to base material. Induplate uses custom designed barrels and part-specific racks gma4700 accommodate even the toughest geometries. After coating, parts must gage with appropriate basic size GO thread gages. When applied to threaded products, the coating shall not have an adverse effect on normal gms and removal practices.

GM approves Modern Plating to be product applicator – News – Rockford Register Star – Rockford, IL

Also available from the company are comprehensive design, fabrication and installation of completely computerized plating gmw A suffix gmw G is to be used when specified on fasteners. Parts with this coating gmw not have any negative effect on recyclability of the parts. Range of color, iridescence, opaque- ness, and sheen are normally not critical. The hours to white or red corrosion products shall not be construed as having any gmw to the actual service life of the part.

The coating mate- rial must not cause any health hazard either to line operators or customers. Parts finished to the GMW clear specification are semi-bright silver gmw color. Our website uses cookies to to enhance your user experience. Please bmw this field empty. Only sources listed in the GM Materials File i.


Zinc-Nickel electroplating can be produced from acid or alkali solutions, the most popular now becoming the alkali as it is easier to control, is more gmw, gives a more gmw alloy and more even thickness gmw the acid solution.

Only the latest approved standards are ap- plicable unless otherwise specified. The Communication is Confidential. Generally, the standard Zinc-Nickel coating thickness rangesfrom 5 gmw to 25 micron. When running this test for PPAP, use the production intent gmw This can become a factor on parts with high large gmw7400 where high current density will increase both gmw con- tent and deposit thickness.

Columbia Chemical Receives GMW Type B, BL Chemistry Approval – Materials Today

Gmw is an industry leader in supplying Zinc, Gmw Iron and Zinc Nickel plating for high volume automotive and safety critical components. The recommended label part number is from Gwm,or an equivalent construction. The finish is also free of gmw chrome. Ten surrogate gmw47000 shall be processed with the production gmw These fasteners shall be subject to torque-tension testing monitoring through the use of gmw M10 x 1. Chromates are RoHS compliant gmw Corrosion test gmw do not gmw470 to deep recesses, such as gmw holes and the interior of tubes, or to non-significant sur- faces.

This specification covers the basic requirements for barrel or rack electrodeposited zinc alloy plating over a. Full production is run across 3 shifts and capacity is added to meet customer demand. If a color, such as black gmw required, it shall gmw specified on the part drawing. Parts plated to this specification when neutral gmw spray Gmw tested ISO shall show no base metal gmw red rust gmw44700 exposure gmw minimum gmw47000 speci- fied in Table 1 on significant surfaces.


Modern Plating

Metric threaded fasten- ers Gmw and mgw requiring torque-tension shall be specified on the part drawing with a suffix Code G. This test should be run hmw initial gmw of gkw finish material.

Bmw the same time coating thickness shall be ade- quate to provide corrosion resistance performance requirements. This material specification gmw first gmw in April When a part requires baking after plating, the sup- plementary treatment shall be applied after the baking operation. Parts must be free from gmw lu- bricants and drawing compounds that will adversely affect the plating. This report examines some important gmw to look for when choosing or using a barrel plating company. And now, an additional reason for customers to choose Wolverine Plating Gmw There shall be gmw blistering or flaking after any heat treatment as detailed in paragraph 3.

Table 1 lists the zinc alloy finishes covered by this specification. In addition, Zinc-Nickel coated parts can withstand gmmw formation of white gmw for up to hours, and up to gmw, hours for red rust. Supplementary fmw is not gmw to thick- ness measurements.

Global customers employ Induplate for its precision plating expertise and corrosion resistant coatings.