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Polymer Technologies’ energy management materials have been used in fire trucks, ambulances, and on-highway trucks since our inception in 1989. Typical applications include insulation for passenger cabins, walls, and engine compartments, with the goal of reducing the amount of noise, vibration, and thermal energy transmitted into the cab. For these applications, we use firewall, hood/tunnel, sidewall insulation, floor mats, and engine isolation treatments.
For more information on previous achievements and innovations for emergency vehicles and heavy trucking, please see our Case Studies.
Our interior solutions for emergency vehicles and heavy trucks include POLYDAMP® acoustical floor mats. We have a variety of different wear surfaces, our most popular being the pyramid type wear surface. These floor mats provide anti-slip and abrasion resistance. Simultaneously, they act as acoustical barriers to noise and vibration entering the compartment from underneath the vehicle or through the firewall.
POLYTECH® closed cell foams are typically used as decouplers for compression resistance, comfort, and thermal insulation while also separating the barrier and floor mat to optimize effectiveness. POLYDAMP® open celled urethane and Melamine foams are also used as truck wall thermal and acoustical insulation in sleeper cabs, door panels, or general wall panels, enhancing cabin comfort while mitigating weight verses traditionally used fiberglass and polyester batting.
Our solutions for interior trim include a POLYDAMP® acoustical foam or melamine foam used to reduce decibel levels within passenger compartments, i.e. the reverberant or reflected sound within a compartment. The headliners can be either two dimensional flat parts or three dimensional molded shapes which can be designed to fit into a specific location (i.e. door or ceiling panel).
Polymer’s materials either isolate noise, vibration, and heat within the engine compartment as much as possible, or they dissipate it into areas that do not directly affect the operator, passenger, and pedestrian. The firewall that separates the interior of the engine compartment from the passenger compartment is typically made from a range of materials including absorptive foam or cellular-based solutions such as our POLYDAMP® acoustical foam (urethanes).
Higher temperature environments are served by our POLYDAMP® Melamine. The foams are available and typically supplied with protective film facings. These facings can be reflective (foils or metalized polyesters) or opaque (TUFFYLM® urethane) and are also available in different colors based on customer requirements or preferences. Facings provide additional durability, heat and light reflectivity, and oil and water resistance, ultimately extending the life and improving performance of the insulation. POLYDAMP® Acoustical Barriers are also employed to enhance decibel reduction, typically separated from the firewall by a decoupling layer.
Additionally, noise source isolation can be provided directly on the engine through the use of an absorber/barrier combination such as a POLYFORM® molded solution. This solution can cover a timing belt or sidewall block for noise isolation, thus attacking the noise source directly rather than the adjacent areas surrounding the noise source.
Polymer’s solutions for heavy trucking include Duraflex®, a natural rubber blend with the ability to withstand high levels of shock and vibration. Duraflex® is used for the construction of durable rubber radiator mounts. While traditional rubber mounts deteriorate frequently and require replacement, Duraflex® has the ability not to build up internal heat as the vehicle shakes and vibrates on the road. Therefore, Duraflex® can last up to roughly a million miles, which is twice as long as traditional rubbers.
Contact us today and we will work with you to develop a custom solution.
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