New grades for Latamid, Latigloss, Laramid and Larton ranges (metal substitution)
Plastic Replaces Metal
Lati Industria Termoplastici SpA, Vedano Olona, Italy, has expanded its portfolio of metal substitution products with new grades for its Latamid, Latigloss, Laramid and Larton ranges. They are suitable for replacing brass and other currently used metals in components for sanitary, heating and plumbing applications. Such parts can be made in a single injection molding operation, which considerably reduces production costs, according to the manufacturer.
Latamid and Latigloss are polyamide 66 grades containing up to 60 wt.-% glass fibers. They have comparable mechanical strength to aluminum, while their tensile stress at break value (220 MPa) approximately corresponds with that of metals. Typical applications include pneumatic valves, pump casings and control elements.
Laramid compounds are partly aromatic polyamides (polyphthalamide, PPA) with high strength, stiffness and creep resistance coupled with good dimensional stability.The material is suitable for humid and aggressive environments and high temperatures. It is used, for example, to produce covers for hydraulic pumps or pump casings for refrigeration units.
The Larton range comprises compounds based on polyphenylene sulfide (PPS) with a glass fiber content of up to 40 wt.-%. They offer good dimensional stability, excellent chemical resistance and high levels of creep and fatigue resistance. A typical product would be flow rate valves.
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