Carbon black | additives feature
tailored morphology, a particle size less than 25 nm, and high cleanliness. Birla claims that Raven P7 Ultra is the industry’s
lowest MPU product for pipe applications. It also reports that the carbon black grade has excellent organoleptic properties and is compliant with EU No. 10/2011, which makes it suitable for indirect food applications.
In addition, Raven P7 Ultra is said to offer excellent
UV protection, a smooth surface finish, longer screen life and easy processing. It also meets the coefficient of absorption requirements for telecom cable jacketing. Orion’s new Printex Zeta A is designed for low
compound moisture absorption, particularly for pressure pipes used in water and gas supply, where carbon black adds UV stability. Dispersibility and a balanced average primary particle size and specific surface area of the carbon black are important for UV protection, notes the company. In drinking water pipes, low impurities, such as sulphur, improve organoleptics. Aemerge is a new company based in Indiana, USA, which is producing carbon black pigment from an unusual source – recycled wooden pallets. Aemerge uses carbonization to transform organic waste, such as biomass, used tyres and industrial waste, into carbon- based products including carbon black pigment, activated carbon, and a soil improver. The pigment product, named OrganicBlack, is made
only from recycled wooden pallets. Organic Black can be used as an extender to supplement the use of traditional carbon black. Third-party laboratory tests have compared a masterbatch containing equal proportions of OrganicBlack and a conventional N762
carbon black pigment with one a masterbatch contain- ing just the conventional black. They found that tensile properties remain unchanged after a 500 hour UV-light weathering test. Higher amounts of OrganicBlack can cause a slight shift from blue to brown undertones as the percentage is increased. Adam Seger, head of sales and marketing at
Aemerge, says: “OrganicBlack is priced 30% less than traditional N Series carbon blacks used in plastic applications. Given the continued market concerns about supply and price for oil-based blacks, we believe we offer price stability and access to a secure supply source that can supplement conventional carbon black pigments to save costs in commodity pigmentation applications, with the added benefit of being a renew- able raw material.” OrganicBlack has a bulk density of 20-22 lb/ft3
New carbon
black products from Orion
include grades
for polyethylene film
applications
Montan waxes.
Special wax for special plastics. Montan waxes
and special wax blends for various applications – made in Germany:
• Ideal for manufacturing special plastics • Proven for use as a high performance lubricant • Reliable, long-term raw material availability
> More info at
www.voelpker.com
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