RTP Co. says its new series of glass-reinforced thermoplastics have properties approaching long-glass-fiber-reinforced plastics.
RTP 100 Extra Performance compounds are designed to fill the performance gap between short-fiber and long-fiber compounds.
The Winona, Minn., company notes the materials have 20 percent higher modulus and twice the impact resistance than common glass-fiber-reinforced polypropylene. They are also lighter in weight, a benefit for metal replacement in components. The new series exhibits inherent chemical resistance and resists water absorption, unlike nylon and other compounds which can absorb moisture and lose some load bearing capability.
The new compounds are available as pellets with 10 to 50 percent weight of glass fiber and can be injection molded into large or small parts for automotive, furniture, appliance, construction, electronics and energy markets. RTP claims the products can be formulated with additives to meet demands for long-term heat aging, cold weather impact resistance, flame retardance and UV protection.
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