High-performance weathering powder coating colours

Weathering of Complex Inorganic Colour Pigments in Powder Coatings

In the previous article of our three-part series, we discussed the control of colour in powder coatings. In the last of the series, we discuss weathering variables for powder coatings.

Powder coatings are an environmentally friendly way to apply coatings to a wide range of substrates for a number of uses. One of the most demanding applications is for building materials in aggressive environments. All the variables that lead to degradation of coatings – heat, ultraviolet (UV) light, moisture, oxidation agents, and chemicals along with simple physical abuse – are present. For these applications, the highest performance components have to be used, if specifications such as those prescribed by American Architectural Manufacturers Association (AAMA) 2605 are to be met. Part of the equation is the resin used while the other is the colorant.

Read the entire article by Mark Ryan in the December edition of Polymers Paint Colour Journal here and read Article 1 and 2 via the links below.

Read Article 1 of this 3-part series: High-performance colour pigments for powder coatings

Read Article 2 of this 3-part series: Controlling colour with high-performance inorganic pigments

Shepherd Color Recognized by National Geographic in December 2020 Issue

The Shepherd Color Company has been recognized by National Geographic in their December issue for our innovation in inorganic color pigments. The article ‘Enhanced by Science, Colorfully’ specifically notes our NTP Yellow and RTZ Orange pigments, great non-toxic replacements for lead chromate pigments. Additionally, one cannot forget that Shepherd Color has commercially brought the YInMn blue to market which is also mentioned. More colors and chemistries are in the works within our innovative R&D team. (article requires a subscription)

 

Learn more about the products mentioned in this article:

PRESS RELEASE: The Shepherd Color Company Announces Their Newest Addition to the NTP Yellow Product Portfolio

Shepherd’s Yellow Pigments – Chromatic Masstones and Bright Pastel Shades

WEBINAR AVAILABLE: Ultra-High Performance Yellow and Orange Pigments

Shepherd Color RTZ Orange Pigments, the Reddest Shades on the Market

Article: Recent Advances in the Yellow Color Space

PRESS RELEASE: The Shepherd Color Company Announces Full Approval of YInMn Blue

Shepherd Color announces new YInMn Blue Pigment

Blue 10C595

Watch the video to learn more about Blue 10C595 and why it’s no ordinary blue.

COVID-19

Latest Update: November 24, 2020

Due to the rise in COVID-19 cases, in addition to our existing policies and procedures, we have updated our Face Mask Policy effective immediately. In an effort to further protect our employees, their families, and our business, we will be increasing the usage of face masks in our facility.

In general, face masks will now be required at all times in the facility unless you meet one of the following exceptions:

  • If you are on the production floor performing a job where a respirator is not required, whilst maintaining social distance
  • If you are in an office or work area by yourself
  • In other select, well-designated areas, if you are working alone and you are at least 6 ft. away from others
  • If you are seated in a breakroom on break/lunch and are at least 6 ft. away from others

This applies to all employees, contractors and visitors. Disposable masks are available from one of the many mask stands located around the plant.

Sincerely,

John Marten
President, The Shepherd Color Company

Update: June 16, 2020

As Ohio starts to re-open, Shepherd Color will continue to rigorously enforce the policies we have implemented (described in our past updates noted below) for our employees. We are extending our “Work from Home” plans and reinforcing and extending all “Social Distancing” policies whilst we maintain full production and operations.

We encourage our employees to review our Employee Resource Portal often to reinforce safety precautions, including how to wear face coverings, hand washing techniques, and performing other daily health screenings as shown in the image below. Additional information can be found here.

All of us at Shepherd Color wish you and your families a safe upcoming Father’s Day, and we thank you for your continued level of support and patience.

Sincerely,

John Marten
President, The Shepherd Color Company

Update: April 7, 2020

Ohio Governor Mike DeWine announced April 2nd that Ohio’s Stay at Home order has been extended until 11:59PM on May 1, 2020, and goes into effect at 11:59PM on April 6, 2020.

Shepherd Color is considered an Essential business and thus, is continuing its operations and remains open for business. We will continue to rigorously enforce the adjusted policies we have implemented and described below for our employees. We are extending our “Work from Home” plans and reinforcing and extending all “Social Distancing” policies whilst we maintain full production and operations.

All of us at Shepherd Color wish you and your families a Happy Easter, and we thank you for your continued level of support and patience.

Sincerely,

John Marten
President, The Shepherd Color Company

Update: April 1, 2020

For our employees – We continue our Work from Home plan, where possible. All essential employees are reporting to their positions. We continue to ask our employees to cooperate by taking the key steps to reduce the transmission of COVID-19; social distancing, washing hands frequently, avoiding touching of the face, and regularly disinfecting surfaces. We have also developed an Employee Resource Portal that contains information to keep our employees safe during this time, including personal health information to relieve stress, ways to prevent the spread of COVID-19, as well as other resources.

For our customers Chinese production is ramping up but it is taking some time for shipping containers to make their way back into circulation across the globe. This is impacting only a few deliveries for us. As COVID-19 cases are increasing in the U.S., some states are limiting certain activities to prohibit the spread of the virus. However, our suppliers are reassuring us they are not seeing significant delays and therefore, we see no threat of imminent supply interruption for our April/May production periods.

In summary:

  • We are not currently experiencing any major interruptions in raw material supply that would hinder our production schedules.
  • We expect global deliveries to the U.S. to continue to be somewhat sporadic due to the irregularity of transoceanic freight shipments and we expect this to continue for a while.
  • We believe our current raw material inventory management process (including local/regional warehousing strategies and safety stock considerations) is adequate to absorb any delays in supply that could occur in the near term.

As always, rest assured that we have excellent relationships with our supply chain representatives and they are working alongside us to maintain timely communication throughout this experience.

We continue to take actions based on facts and we will use information issued by the CDC, and other recognized U.S. authorities to guide our actions during this event. As things change, we will continue to keep this page updated.

Sincerely,

John Marten
President, The Shepherd Color Company

Update: March 24, 2020

Effective at 11:59PM Monday March 23rd, under the direction of the Ohio Governor, a “Stay-at-Home” Order has been issued and is effective until April 6, 2020. This order prohibits holding gatherings of any size and closes all nonessential businesses.

Shepherd Color is considered an Essential business and thus, is continuing its operations and remains open for business. We will continue to rigorously enforce the adjusted policies we have implemented and described below for our employees. We are extending additional “Work From Home” plans. We are reinforcing and extending all “Social Distancing” policies whilst we maintain full production and operations.

Our global Customer Experience Groups, Logistics and Distribution Channels are working tirelessly to ensure all our customers are served to their expectations during this event. Our Sales, Marketing and Technical Support Groups are all working to continue to be available, support any questions and provide the expertise our customers need to maintain their businesses and be successful during this time.

All of us at Shepherd Color wish you and your families stay safe and healthy during this time, and we thank you for your continued level of support and patience.

Sincerely,

John Marten
President, The Shepherd Color Company

Update: March 17, 2020

At Shepherd Color, we are committed to serving and supporting our customers – without exception. As the coronavirus (COVID-19) outbreak continues to evolve, we want to let you know that we are taking steps to protect the health and well-being of our customers, associates, families and communities. As we carefully monitor the situation regarding the Coronavirus, Shepherd Color will continue to follow the guidelines of local, state, and federal government officials.

For our employees – we have implemented a Work from Home plan, where possible. All business travel has been postponed indefinitely, and all on-site campus visitors are canceled unless a business need is necessary.

All essential employees are reporting to their positions at this time. We continue to ask our employees to cooperate in taking steps to reduce the transmission of communicable diseases by doing the following:

  • Stay home if sick
  • Washing hands frequently, with soap and water, for at least 20 seconds
  • Avoid touching your face
  • Cover your mouth with tissues, or your elbow when coughing or sneezing
  • Increase ventilation by opening windows where possible
  • Regularly disinfecting surfaces like doorknobs, tables, desks, handrails, counters, sinks, toilets, copiers

For our customers – as previously reported, productivity in China was greatly diminished in the weeks following the peak of the outbreak there and, as expected, this has led to some short-term delays in our supply chain for raw materials. We continue to keep a close eye on a handful of key raw materials that has an elevated risk from China but production of most of these materials has resumed and re-supply to our US distributors and warehouses is now taking place. Therefore, we see no threat of imminent supply interruption for our March/April production periods.

Please note:

  • We are not currently experiencing any interruptions in raw material supply that would hinder production schedules.
  • We do expect deliveries to the U.S. to be choppy in the coming weeks as Chinese producers scale up productivity, transportation routes open up to the ports and shipping lanes begin to function more normally.
  • We believe our current raw material inventory management process (including local/regional warehousing strategies and safety stock considerations) is adequate to absorb any delays in supply that is expected in the near term.
  • We are paying particular attention to any critical raw materials that may require us to take special actions to ensure continuity of supply, if that becomes the case we have resources identified to address those actions.
  • We continue to do all we can to secure supplies that we believe are most vulnerable while maintaining regular dialog with our supply representatives.

Rest assured, we have excellent relationships with our supply chain representatives and they are working alongside us to maintain timely communication throughout this experience.

We wish to take actions based on facts and we will use information issued by the CDC, and other recognized U.S. authorities to guide our actions during this event. As we learn of facts that drive up our level of concern, we will report it appropriately.

All of us at Shepherd Color wish you and your families stay safe and healthy during this time, and we thank you for your continued level of support and patience. We will continue to provide updates as we have them available.

Sincerely,

John Marten
President, The Shepherd Color Company

Brown 30C888, Orange 30C342, and Yellow 30C236

Fall brings beautiful colors to our environment, reminding us of our many colorful pigments complimenting this time of year. Watch the video to learn more about Brown 30C888, Orange 30C342, and Yellow 30C236.

Pigments That Stand the Test of Time

As regulatory pressures increase and sustainability gains more and more attention, some of the older complex inorganic color pigment chemistries really show their usefulness. A range of aesthetically pleasing and naturally soothing brown to yellow pigments have been workhorses in coatings and plastics applications – because of their regulatory friendly position, performance, and inertness – for years.

These three Shepherd Color pigments, BR19FDA, YL20P296, and BR10P858, are based on an iron, aluminum, and titanium oxide and provide unique properties. Their inertness comes from their high temperature calcination that makes them so unreactive and non-migrating that BR19FDA is FDA compliant with use in cookware coatings and packaging. This pigment gives powder, ceramic and silicone based coatings for cookware a warm home kitchen shade of golden brown. The inertness also gives them excellent weathering properties for building materials covered with high-performance coatings.

In addition, their excellent dispersion properties gives formulators the browns that are controllable during the pigment dispersion step, with a simple color development property. By making a brown with one pigment instead of a standard white, black, red (or more) pigment blend, the chances of odd weathering results are reduced because of the different pigments used in the color match weathering at different rates.

Yellow 20P296 provides a standard pigment for coloring engineering polymers who processing temperatures rule out organic or iron oxide pigmentation. Brown 10P858 has a pleasing chestnut brown color that can be used to mimic natural colors for engineering polymers for car interiors or plastic lumber coloring.

These complex inorganic color pigments provide unique properties: higher heat resistance than zinc ferrites, higher tint strength than PBr24 chrome antimony titanates, and are not SARA 313 regulated. They also make a great basis for color matching artificial turf, but without the zinc regulatory issues involved with zinc ferrite-based pigmentation.

 

Download the PDF here to learn more about these three Shepherd Color pigments, BR19FDA, YL20P296, and BR10P858.

 

Need technical data on these pigments? Find it here: BR19FDA, YL20P296, BR10P858

Who says you can’t have dark color pigments with high TSR values?

Shepherd Color’s Green 10C650 masstone meets this criteria and more

The Shepherd Color Company developed a dark colored pigment called Green 10C650, that excels in allowing color matchers to make dark green colors that have high total solar reflectance (TSR) and excellent weathering properties. Green 10C650 is part of our Arctic® Infrared Reflective Pigments, which absorb the visible infrared wavelengths, yet reflects the invisible infrared wavelengths, that contribute to solar induced heat build up (HBU).

Green 10C650 is compatible with a wide-range of resins and polymers for use in plastics and coatings, but what is the secret to its usefulness? Read more about Green 10C650.

 

Interested in more greens? Green 10G655 and Green 10G603 represent the cutting edge in new pigment development, addressing regulatory concerns that can come from around the world, and give customers multiple options depending on what is most important to them and the environment.

ARTICLE: Pigments move beyond aesthetics

In the September issue of Compounding World, ‘Pigments move beyond aesthetics’ reviews the latest developments in pigments for plastics. Market demands go well beyond aesthetics, and provide answers to environmental questions. The trend to substitution of heavy metals, through the use of new inorganic and organic pigments, and the growing interest in pigments derived from renewables. From regulatory drivers to recycling and sustainability, this article takes a look at some of the latest moves by pigment suppliers to the plastics industry. Read the entire article here.

Mentioned in this article is our new Black 10P925 product, a cost-effective IR Black colorant for packaging that can reflect IR wavelengths in recycling sorting facilities. Read more…

PRESS RELEASE: Using Technical Expertise to Meet Regulatory Challenges

(CINCINNATI, OH, September 9, 2020) When concerns were raised about specific forms of nickel in standard Cobalt Titanate, CI Pigment 50 (PG50) in the European Union (EU), The Shepherd Color Company deployed their sizeable expertise in technical, analytical, and regulatory areas to find not one, but two high-performance pigment solutions.

The first route of retaining nickel in the formula, but ensuring that the nickel wasn’t present in the form of concern, yielded Green 10G655. This is a standard PG50 specially formulated and produced to meet EU labelling requirements, while maintaining a bright, chromatic green shade that PG50s are known for, and is more chromatic than other inorganic green pigments, such as chrome oxide (PG17).

A second pathway was to remove nickel from the pigment formulation altogether. Other pigment companies tried this route, but to get the color close, had to add chromium to the formula. While in a safe Cr3+ state, many industries like powder coatings use PG50s because they do not contain any form of chromium in their formula. After an exhaustive search, Shepherd Color developed a bright chromatic green without nickel or chromium and launched it as Green 10G603. This product has a bright and chromatic masstone, excellent tint-strength and best of all, it is still classified as a PG50, so it has the same regulatory and chemical inventory approvals and listings.

Shepherd Color’s Green 10G603 and Green 10G655 represent the cutting edge in new pigment development. A pigment used to be judged mainly by its coloristic properties. Today, regulatory pressures dictate that old pigment chemistries meet new requirements or find their use curtailed or even eliminated. Very often, the new alternatives are of lower performance and higher cost, or both, but often with limited options.

Shepherd Color not only addresses regulatory concerns that can come from around the world, but give their customers multiple options depending on what is most important to them and the environment.

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ABOUT THE SHEPHERD COLOR COMPANY
Founded in 1981, The Shepherd Color Company produces a wide range of high-performance Complex Inorganic Color Pigments (CICPs) used in a variety of industries. These pigments are an extraordinary class of inorganic pigments that offer stable, long-lasting color for many applications. They have unbeatable weatherability, heat and chemical resistance, are non-warping and easy to disperse. More Expertise. Better Performance. Best Value. That’s Shepherd Color.

 

More on this topic:

How Shepherd Color challenges the chemistry of pigments to address regulatory pressures

Find your color

Controlling colour with high-performance inorganic pigments

Dispersion of Complex Inorganic Colour Pigments in Powder Coatings

In the previous article of our three-part series, the general properties of high-performance pigments, complex inorganic color pigments (CICPs), were discussed. This article touches on controlling the colour in powder coatings using the dispersion properties of CICPs. These high-performance pigments give controllable colour because the relatively higher use-rates as compared to organic pigments allow more advantageous mixing ratios. This can be demonstrated in the tinting of near white colours. Stability is beneficial if the powder coating needs to be re-extruded to correct for other colourants performance.

Read the entire article by Mark Ryan in the August edition of Polymers Paint Colour Journal here and be on the look-out for the next article later this year.

Read Article 1 of this 3-part series: High-performance colour pigments for powder coatings