They are colored black to provide consistent and comparable aesthetics to prime grades for OEM-specific blacks.

Twisted black Kevlar Black t wisted HMPE yarn

And while underhood elements aren’t classified as appearance parts, the OEM wanted to achieve visual harmony when the hood was opened, so the material also had to match the black of other components in the engine compartment. This meant that when a prospective customer opened the hood of a vehicle, they would see a single shade of black.

Due to the commingled nature of the recycled stream for PCR raw material, the application will typically need to be a darker color such as black or dark gray Black is the easiest color to achieve consistently 

OnColor™ RC Environmental Black Color Concentrate Product description, value solution, key characteristics, markets and applications of OnColor™ RC Environmental Black Color Concentrate

It is better to fill out the part at slower speeds in-order to let any compressed air escape, and to get the best surface finish on the part.3 • Using all of the previous settings, record the Transfer Pressure, Fill Time, and Injection speed • Reduce the injection velocity by 10% and record the same values Transfer (psi) Fill Time (sec) Injection Velocity (in/sec) Relative Shear Rate Relative Viscosity 1238 0.20 8.00 5.00 247.60 1125 0.22 7.00 4.55 247.50 1058 0.25 6.00 4.00 264.50 960 0.35 5.00 2.86 336.12 870 0.45 4.00 2.22 391.65 780 0.58 3.00 1.72 452.59 690 0.85 2.00 1.18 586.78 600 1.35 1.00 0.74 810.45 510 2.50 0.75 0.40 1275.83 420 5.23 0.50 0.19 2198.34 330 9.56 0.25 0.10 3157.99 240 15.26 0.10 0.07 3667.49 FIGURE 47 - Injection Speed 22 Gravi-Tech • Keep reducing the injection velocity until a fill time of 10-15 seconds is reached • Calculate the Relative Viscosity for each of the Injection Speeds using the equation above (Transfer Pressure * Fill Time) • Calculate the Relative Shear Rate for each of the injection speeds using the equation (1/Fill Time) • Plot the points on a graph and find the optimum velocity • The optimum velocity will be where the curve starts to level out In figure 48 above, the optimum velocity is where the plotted line crosses the black trend line; therefore the optimum velocity would be about 1.00 in/sec.

OnColor™ NIR Sortable Black Colorants New black colorants from Avient support circular economy and turn former waste into recyclable packaging Cesa™ Nox A4R is a specialized antioxidant additive that stabilizes polyolefins during processing, preventing the typical defects like discoloration, gels, and black spots—during initial, and future conversion steps and recycling loops (Chinese language version)

OnColor™ NIR Sortable Black Colorants New black colorants from Avient support circular economy and turn former waste into recyclable packaging Cesa™ Nox A4R is a specialized antioxidant additive that stabilizes polyolefins during processing, preventing the typical defects like discoloration, gels, and black spots—during initial, and future conversion steps and recycling loops (Chinese language version)

Deep Black for Polyester Textiles Discover Avient's deep black colorants specially developed to provide intense jetness to spun-dyed polyester textiles.

OnColor™ NIR Sortable Black Colorants New black colorants from Avient support circular economy and turn former waste into recyclable packaging