Technical Specification 

Manufacturer: Delta Rubber Ltd
Product Type: Open-cell acoustic polyurethane foam
Fire Rating: BS 476 Class 0 compliant

Physical Characteristics

• Sheet size: 2000 mm × 1000 mm

• Thickness options: Custom selectable

• Structure: Open-cell

• Colour: Black (standard)

• Density: Approx. 30–35 kg/m³ (typical for acoustic PU foam)

Performance

• Sound attenuation: Designed to absorb a wide range of airborne frequencies; ideal for mid- to high-frequency control.

• Thermal insulation: Secondary benefit due to cellular structure.

• Fire safety: BS 476 Class 0 certified for use in public and commercial buildings.

• Operating temperature: −40 °C to +100 °C (typical).

Applications

• Acoustic wall and ceiling panels

• Machinery and plant enclosures

• Vehicle cabins and engine bays

• Studios, offices, HVAC ducts, and acoustic enclosures

Compliance & Delivery

• Standards: BS 476 Part 6 & 7 (Class 0 fire rating)

• Lead time: 5–7 days (special item)

• Country of manufacture: United Kingdom

Installation Guidance

• Cut with sharp knife or saw to desired size.

• Mount using adhesive or mechanical fixing depending on substrate.

• Ensure tight seams to prevent sound leakage.

• Combine with barrier materials if low-frequency isolation is required.