PSM
PSM is a three-layer acoustic lining material from AMC Mecanocaucho, combining a black polyurethane film facing, an open-cell absorbing polyurethane foam layer, and a 5 kg/m2 heavy viscoelastic mass sheet. It provides both sound absorption and additional mass-based sound reduction, making it suited to industrial enclosures and vehicle cabins where hydrocarbon or moisture exposure is also a concern.
Specifications
- Composition: Black PU film, absorbing polyurethane foam, and 5 kg/m2 heavy viscoelastic mass layer
- Available thicknesses: 15 mm, 25 mm, 40 mm
- Sheet format: 1200 x 1000 mm (8 sheets per box at 15 mm; 5 sheets at 25 mm; 3 sheets at 40 mm)
- Weighted sound reduction index (Rw): 14 dB (15 mm); 17 dB (25 mm); 20 dB (40 mm)
- Self-adhesive option: Available for all thicknesses (A-suffix variants)
Applications
Absorbent lining of soundproof industrial cabins and commercial vehicles in environments where oil, hydraulic fluid, or water may contact the lining surface. The integrated viscoelastic mass layer adds damping to reduce structure-borne vibration transmission through the panel, extending PSM's performance beyond that of the standard PS acoustic foam into applications requiring combined absorption and mass-law sound reduction.
Frequently asked questions
How does PSM differ from PS Black?
PSM adds a 5 kg/m2 heavy viscoelastic mass layer between the PU film and the foam. This extra mass increases the Rw rating at each thickness: 14 dB at 15 mm compared to 12 dB for PS Black at the same thickness, rising to 20 dB at 40 mm compared to 17 dB for PS Black.
What does the viscoelastic mass layer do?
The viscoelastic mass layer dampens panel vibration and increases sound reduction by exploiting the mass law, where added surface mass reduces the transmission of airborne sound. It also dissipates vibrational energy as heat, reducing structure-borne resonance through the enclosure wall.
Is PSM available with a self-adhesive backing?
Yes. All three thicknesses are offered in self-adhesive variants, identified by an A suffix in the product code, for direct bonding to cabin walls and vehicle panels without additional adhesive.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
What is your return policy?
All refunds and returns are determined by the manufacturer's terms of sale. Change-of-mind refunds are not accepted, but all valid warranty claims will be managed by AKA Acoustics in compliance with consumer law.
How long will it take to receive my order?
Freight lead times will be provided upon order confirmation. Standard items typically ship within 4–6 weeks, while custom orders may take 6–12 weeks.
Is my payment information secure?
Yes, all payments are securely processed through Stripe and are protected under their Terms of Service. AKA Acoustics do not store any payment information ourselves.
How are freight costs calculated?
Freight costs are determined at the time of quotation to ensure accurate pricing based on your specific order. For any questions, please email sales@akaacoustics.com
How can I contact support?
For account inquiries, email accounts@akaacoustics.com. For order support, email sales@akaacoustics.com.