Haitian Banner 1170 100-01

Tags

SIG11056 Online Banner 368 150px RZ

REPbanniere smartmolding 368x15px

Shows
05. - 08. December 2018
Plast Eurasia
Istanbul, Turkey
01. - 08. January   2019
Arabplast
Dubai, UAE
29. January 2019 - 01. February 2019
Interplastica
Moscow, Russia
Have some relevant information to share? Send a message to info@smart-molding.com — we are always happy to discuss!

KOPLAS-2019 Web banner 368x90 Eng

Molding website

Rosmouldnew368x90-eng

FISA 170913 banner01 moulesGB

High-heat polyamide replaces costly specialty polymers

News 23.08.2018

A new series of high-heat glass-reinforced polyamide 66 compounds bridges the cost-performance gap between standard heat-resistant polyamides and costly specialty polymers, providing injection molders with a more economical alternative for automotive and other metal-replacement parts. Teknor Apex Company will introduce the new materials at Fakuma 2018 in technical talks at their booth.

01. Cost versus Heat Aging Performance ENG

Creamid® 240 H7.5 Series compounds provide the strength and stiffness of highly glass filled engineering polymers while maintaining high levels of critical mechanical properties even after continuous service at temperatures of 240 °C. Currently available grades, with glass fiber content of 35, 50, or 60%, exhibit dramatically improved property retention in comparison with similarly glass-filled standard PA 66 compounds (see graphs). At the same time they cost around 30% less per kilogram than high-performance polymers such as polyphthalamide (PPA) or PA 4.6, while providing comparable performance.

“Additional cost savings with Creamid 240 H7.5 compounds are achievable in processing,” said Dr. Hartmut Elsasser, global director of technology for engineering thermoplastics. “These new materials exhibit lower melt and mold temperatures than competing PA 66 compounds and high-performance products like PPA, providing economies in terms of energy consumption, cycle times, and tooling requirements.”

02. Tensile Strength Retention ENG

While the new compounds have processing temperatures in the range of 280 to 300 °C and mold temperatures of 80 to 110 °C, the corresponding ranges for PPA or PA 4.6 are 330 to 350 °C and 130 to 150 °C (see graph).

Teknor Apex recommends Creamid 240 H7.5 compounds for automotive under-hood components such as charge air cooler end caps, air intake manifolds, quick-fit connectors, radiator end tanks, turbo air ducts and resonators, oil pump wheels, EGR valves, and thermostatic casings.

Other possibilities include electronic connectors, diode carriers, and bobbins, as well as consumer products such as lamp sockets and connectors.

03. Processing Temperatures Compared ENG

“While metal-replacement continues to drive demand for polyamides in the automotive market, performance-boosting technologies such as turbocharged engines and advanced transmission systems place stricter requirements for heat resistance, chemical resistance, and reduced water absorption,” said Markus Krippner, director of sales and marketing. “These forces, along with the overriding industry effort to reduce vehicle weight, are driving Teknor Apex investment into new polyamide technologies.”

Light-weighting requires materials that provide high strength, low levels of creep, and excellent processability, noted Mr. Krippner. “Creamid 240 H7.5 compounds exhibit flow properties that readily accommodate the complex or thin-wall parts or the long flow paths that are often required for metal-replacement.”

Creamid 240 H7.5 compounds are available worldwide. In addition to glass-filled compounds, unreinforced formulations with service temperatures up to 200 °C are also available. As a custom compounder, Teknor Apex can work with customers to address specific property requirements.

Our website makes use of cookies to ensure we give you the best experience on our website.
By continuing browsing on our website you give your consent to our use of cookies.