Chroma Color® Offers Solution for Dark Color Plastic Products to Reduce Heat-Buildup from Infrared Rays

The Challenge:

Companies that manufacture exterior plastics products, such as plastics chairs, playground equipment, decking, fencing, siding, windows, etc., know they become hot to the touch and can fail earlier due to long-term exposure to solar rays. This is especially true for products manufactured with dark colors.

Color concentrates for outdoor products

Why?

Dark colors absorb more energy from solar rays compared to lighter ones. These higher absorption of rates solar rays makes dark plastic products hot to the touch and can lead to early failure.

There are three measurements to take under consideration when choosing a color: TSR, E, and SRI values.

  • TSR- Total Solar Reflectance is expressed as a percentage between 0 and 100%. These rates indicate a products ability to reflect solar energy.
  • E- Infrared Emittance is rated between 0 and 1 and rates the ability of a product to cool itself.
  • SRI -Solar Reflective Index combines TSR x E. SRI index is from 0 (standard black) to 100 (standard white).

Luckily, there are solutions available to prevent this heat-buildup and failure.

The Solution:

Chroma Color® has decades of experience in providing customers with color concentrates for exterior durable goods that must withstand elements for an extended period. Today, Chroma Color® offers manufacturers of exterior plastic products formulations that reduce Total Solar Reflectance (TSR). This technology from Chroma Color® minimizes the heat build-up on the surface of dark colored plastic products.

Color concentrates ASTM testing for heat build up

Photo Caption: Chroma Color®’s ASTM testing apparatus for measuring temperature rise

To ensure your color concentrates meets the criteria for reducing heat build-up on dark plastics, our technical team uses the ASTM D-4803-97 method to measure the temperature increase. This testing provides useful comparative data on heat build-up of various polymers and color formulations. Carbon black plastic color typically has the highest rating of heat buildup. Therefore, this ASTM test method compares the heat buildup of your chosen color against a carbon black plastic control sample.

To inquire about Chroma Color®’s infrared-reflecting color concentrates and this testing method contact us here: https://chromacolors.com/contact-us/

Chroma Color®:

Chroma Color® Corporation is a leading specialty color and additive concentrate supplier serving diverse markets, including wire and cable, packaging, healthcare, pharmaceutical, consumer products, and others.

With the recent acquisition of Epolin, Chroma Color® is now the recognized leader in the near-infra-red (NIR) absorptive dye industry, producing proprietary blends to suit the eye protection and light management sectors.

Chroma Color®’s growth strategy includes robust organic and inorganic growth through nine acquisitions over three years. Chroma’s extensive technical leadership and manufacturing expertise, coupled with its game-changing colorant, has delighted customers for over 50 years. For additional information, please visit www.chromacolors.com.

Coloring Industrial Synthetic Textiles 101

Once you start exploring the types of industrial textiles made from synthetic plastic resin materials you realize there are many products we use or see daily that fall into this category. Today, even more companies are discovering new capabilities and applications for these materials. Hence, this marketplace continues to grow.

A few reasons for wider acceptance of these materials include flexibility, dry fastness, water absorption and performance in harsh environments. Manufacturers easily gain improved performance with a variety of additives, including colors that ensure the product lasts in a wide variety of environments while also looking attractive.

 

Chroma Color® Textile Outdoor furniture

Typical Textile Plastic Resins Capabilities and Applications:

The plastics resins typically used for industrial textiles include: Polyethylene (PE), Polypropylene (PP), Polyvinyl Chloride (PVC), Thermoplastic Polyurethane (TPU) and more. 

Polyethylene (PE) is the most common plastic used in the world today. Resistant to tears and rips, the material is extremely rugged and durable, making it suitable for industrial applications. Industrial fabrics made from PE are also lightweight, flexible, and resist soiling and staining. In addition, they are non-absorbent, making them less likely to accumulate dirt/ moisture. They are also resistant to bacteria/ mold.

Polyethylene fabrics are typically chosen for applications such as outdoor chairs, tarps, and tents because they are strong and do not stretch. These fabrics can also be used as gardening mulch to block light contributing to the growth of weeds while letting moisture through. Some other common applications include rope, automotive fabrics and the popular re-usable shopping bag.

Polypropylene (PP) has a higher melting point, making it stronger and lighter than polyethylene. The material is also an excellent insulator and can be engineered into a variety of different products or melted down and recycled into something new. Other important properties of polypropylene include toughness, chemical, water, fire resistance and recyclability.

Textile flooring is the most popular use of polypropylene fiber because it has high abrasion resistance and does not absorb dirt or liquids. Other applications include outdoor carpets, golf and tennis courts, the edges of swimming pools and car interiors. This industrial fabric can also be used in construction–to stabilize the ground or to reinforce roads and banks.

Photo Caption: Marine industrial textiles used for industrial boats

Thermoplastic Polyurethane (TPU) coating:

Thermoplastic polyurethane (TPU) is a very versatile resin. It can be manufactured soft or hard. This material is impact, abrasion, fuel and oil resistant. TPU can be colored and can include additives to protect it from UV rays, funguses and fire.

TPU resin is used to coat textile products such as inflatable boats requiring strength, flexibility, wear resistance, and puncture resistance. It is easy to weld and handle. Other coated textile products include mining screens, conveyor belts, oil booms, barriers/berms, flood spill protection/ control and more.

Chroma Color® Greenhouse textile green

Photo Caption: Industrial textiles are used for greenhouse / nursery protection

Polyvinyl Chloride (PVC) contains halogens like chlorine and fluorine that are widely known for being stable. This chemical stability makes the material resistant to stressors like flame, chemicals and oil.

Chroma Color® Business Awning Textile

Photo Caption: Business awnings are a popular application for synthetic textiles.

PVC is used for textile applications such as protective suits for firefighters/ military, industrial tarps, conveyor belts, automotive/ RV headliners, marine sails/ lifejackets, awnings, windscreens, athletic mats and much more.

Common Additives for Plastic Textile Fabrics:

Plastic products are often constantly exposed to UV light that degrades the plastic product quickly. But this can be easily prevented with the addition of a UV additive. Other additive options include flame retardants, anti-static, processing stabilizers, antimicrobial agents, and more. If you think you need additional additives work with your supplier to help you decide what you need and how they will perform for each resin base.

Color Concentrates for Plastic Textiles:

One of the biggest challenges in color use for plastic textiles is matching them to the resin that is used. Initiate a conversation with your color supplier about the resins’ viscosity and melt processing temperatures. This will make the decision on carrier resin, pigments, stabilizers and other additives necessary for the application much easier.

Then, depending upon the material and application, the carrier resin used in the concentrate will be about 30-50%. It is also important to review the molecular weight of that carrier or melt flow rate (MFR). The color concentrate should have higher MFR than the base resin that is being colored in order to produce a good colored part.

After the resin has been clearly established, your conversation can move to color selection. Typically, your supplier will have sample chips or Pantone color charts to pinpoint the desired color for each plastic product or part.

During this selection, bear in mind that colors can look different on the material depending on its gloss, filler and look. For example, lighter colors such as red, orange, and yellow could change color faster compared to darker colors like blue or green.

Looking for unique or custom colors to separate you from your competitors or one that needs to stand out for safety applications such as life jackets or inflatable boats? You can count on color supplier’s like Chroma Color® Corporation to help you choose the best options for your application.

About Chroma Color® Corporation:

CHROMA COLOR Corporation’s textile team has experience helping customers looking for color industrial textiles made from PVC, PP, TPU and PE materials.

Our capabilities include:

  • Fully equipped laboratories to formulate thermoplastics colors and compounds. Colorists thoroughly trained in the theory and practice of spectrophotometry, color measurement, and color science
  • Color formulation, color control, color tolerances, standards, and color faults and their evaluation
  • All facilities meet ISO 9001:2015 standards
  • Adherence to the following regulatory guidelines: FDA Food Contact Compliance, HMF Heavy Metal, Free Formulation, EU & other Global Standards
  • Availability to provide color concentrates in dice, strand, underwater cut, and/or pulverized pellet geometry

Chroma Color® Corporation is a leading specialty color and additive concentrate supplier of the highest quality and the shortest lead times in the plastics marketplace. The business exceeds $160 million in sales due to solid organic growth and targeted acquisitions. Chroma’s extensive technical and manufacturing expertise coupled with its game-changing colorant technologies have surprised and delighted customers for over 50 years in markets such as: packaging, wire and cable, building & construction, consumer, medical, healthcare, lawn & garden, durables, sanitation, recreation and leisure, transportation and more.

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