While a metal itself does not contain hexavalent chrome, there are anodizing processes and conversion coating processes available that leave it hexavalent-free and RoHS compliant.

Does RoHS apply to aluminum?

Nonetheless, there are some aluminum alloys to avoid for RoHS compliance due to their lead concentrations; 2011 and 6262 aluminum are most common aluminum alloys with lead in excess of RoHS standards, although there are other alloys with added lead especially in the 2000 series of alloys.

Is chromic acid anodizing RoHS compliant?

The following treatments are not RoHS compliant or may not be RoHS compliant: Dichromate sealed sulphuric anodising. ... Chromic anodising.

Is sodium dichromate RoHS compliant?

Dichromate is Cr₂O₇^-2. The chromium is in hexavalent state and is forbidden by RoHS.

Is titanium RoHS compliant?

TI products are designated as “RoHS Compliant” when designated RoHS = Yes, or RoHS = Exempt, to comply with EU Directive 2011/65/EU (entered July 21, 2011) and the amended Directive (EU) 2015/863 (effective July 22, 2019) for Restriction of the Use of Hazardous Substances (“RoHS”).

What is Aluminium Anodizing and How Does It Work | Anodizing Process Overview

15 related questions found

Is zinc plating RoHS compliant?

The substance of concern with regard to chromate conversion coatings on zinc plating and RoHS compliance is hexavalent chromium. ... Therefore all -ZI product plated after June 2002 is RoHS compliant. Also, we began using trivalent chromate in our optional zinc and yellow (suffix -ZC) plating on March 1, 2006.

Is nitric acid RoHS compliant?

Nitric acid isn't picky; it will remove free iron, but it will also remove particles of other metals as well, including chromium, which is restricted in the RoHS Directive. In other words, many nitric acid baths are unknowingly contaminated with chromium.

Is black oxide RoHS compliant?

Black oxide process compliant with RoHS and Reach Legislation. Black oxide is a conversion coating – produces no dimensional changes. Meets Mil F-495 specifications.

Is trivalent chromate RoHS compliant?

The Trivalent Chromium Process (TCP) provides a non hexavalent chromate conversion coating compliant with RoHS, ELV and WEEE directives. It compares favorably with the hexavalent coatings providing a conversion coating that fulfills the corrosion, paint and electrical requirements of the different specifications.

Is Alocrom 1200 banned?

The hexavalent chromium based Alocrom 1200 which is a process we have used for many years is now on the B/T/R list (Banned / Targeted / Restricted). Unlike your previous posts, this is a through-life toxicity consideration.

What is the difference between type1 and type 2 anodize?

Type I anodize refers to chromic acid anodizing. Type II is normal “clear” sulfuric acid anodizing. Type III is “hardcoat” using sulfuric acid or mixed chemistry electrolytes.

Are all stainless steel RoHS compliant?

8. Is stainless steel RoHS compliant? Yes. Although chromium is present in stainless steel, it's not the hexavalent chromium restricted by RoHS.

Does RoHS apply to mechanical parts?

RoHS applies to Electronics Manufactures.

This includes all the mechanical parts or non-electric parts. When any part or component is added to an electrical or electronic product going to the EU, it also is in scope for RoHS.

What is RoHS exemption?

RoHS restricts the use of certain hazardous substances in electrical and electronic products and their components. However, certain applications may be exempt from RoHS restriction if it is technically or scientifically impracticable to prohibit the use of certain hazardous substances at present.

Is 304 SS RoHS compliant?

As a trusted 316 & 304 supplier, we supply fully certified and 100% traceable material that is ROHS compliant, ensuring the highest quality.

Is RoHS compliant?

RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment. ... Compliance with the RoHS Directive must be confirmed in the EU Declaration of Conformity. This is done by means of a technical documentation according to DIN EN 50581 directive.

Is leaded brass RoHS compliant?

Copper and brass alloys containing up to 4% lead (Pb) by weight remain compliant under the latest revision of the directive (RoHS III) as summarized in the amendment to Annex III published in May 2018 and shown in the excerpt below.

What is passivate RoHS?

Because passivation is fundamentally a cleaning treatment (which removes embedded particles of iron from the surface of the part), none of the chemicals in the bath bond to the part. Further, all bath chemistry is rinsed completely away from the part. Theoretically, therefore, all passivate is RoHS compliant.

Is silver plating REACH compliant?

Gold plating, silver plating, nickel plating, sulfamate nickel plating, electroless nickel plating, black electroless nickel plating, tin plating, copper plating, tin-cobalt plating and black nickel plating services are available. ... Plating services meet ASTM, SAE and AMS specifications and are ELV and REACH compliant.

Is stainless steel REACH compliant?

Stainless steel products are considered as articles under REACH. ... In accordance with REACH and the European Regulation (EC) 1272/2008 on Classification, Labelling, and Packaging of substances and mixtures (CLP), only substances and preparations require a Safety Data Sheet (SDS).

Why is zinc chromate banned?

* Zinc Chromate is a CARCINOGEN in humans. It has been shown to cause lung and throat cancer. * Many scientists believe there is no safe level of exposure to a carcinogen.

Is chromate banned?

Gothenburg, Sweden A European Commission decision to allow a Canadian company to sell pigments for paints containing highly dangerous chemicals has today been deemed illegal. Lead chromates are also extremely toxic to aquatic life. ...

What is the difference between RoHS 2 and RoHS 3?

RoHS 2 includes a CE-marking directive, with RoHS compliance now being required for CE marking of products. ... Directive 2015/863 is known as RoHS 3. RoHS 3 adds four additional restricted substances (phthalates) to the list of six.

How do I verify RoHS compliance?

The following steps are involved for RoHS certification.

1. Testing: Either on-site or XRF testing and/or lab phthalate solvent extraction testing is done to determine values of the ten restricted RoHS substances.
2. Process Audit: Inspect all applicable manufacturing processes used towards RoHS compliance on-site.

Is cadmium RoHS compliant?

The substances regulated under RoHS are lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls and polybrominated diphenyl ethers (flame retardants). These substances must make up less than 1000ppm of a finished product (100ppm for cadmium) for that product to be considered compliant.