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Aeroflex

AEROFLEX elastomeric standard sheet

Flat elastomeric sheet for large pipes, air-conditioning ducts, tanks and shaped equipment — prevents condensation and reduces cooling loss.

Thickness
3–50 mm
Thermal conductivity (λ)
0.033 / 0.035 / 0.038 W/m·K at 0 / 24 / 40 °C mean · ASTM C177, ASTM C518, ISO 8497, JIS A 1412-2
Service temperature range
-57 – 125 °C

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Product details

Duct and HVAC insulationElastomeric rubber foamAeroflex

Closed-cell EPDM elastomeric foam, flat sheet 36 × 48 in

Thickness
3–50 mm
Thermal conductivity (λ)
0.033 / 0.035 / 0.038 W/m·K at 0 / 24 / 40 °C mean · ASTM C177, ASTM C518, ISO 8497, JIS A 1412-2
Service temperature range
-57 – 125 °C

What is it?

AEROFLEX standard sheet (S-series) is closed-cell EPDM elastomeric insulation in 36 × 48 in sheets, 1/8 to 2 in thick. It is used on large pipes, air-conditioning ducts, large tanks and shaped equipment such as chiller bodies, pumps and large fittings. The 1/8, 1/4 and 3/8 in sheets have a smooth skin on one side only.

What is it made of?

Elastomeric rubber foam · Sheet

Which sizes are available?

Thickness 3–50 mm — Choose a size

Where does the data come from?

AEROFLEX brochure (AF/OCT 2024) — standard packing table p.7

Technical data from the manufacturer's documents Aeroflex · Checked 12 Oct 2026

Technical specifications

All values come from the manufacturer's documents, with conditions and test standards. Values the documents do not state are not shown.

PropertyValueConditions / standardSource
Sheet size36 × 48 in4 ft × 3 ft · 1/8" – 2" thickAEROFLEX brochure (AF/OCT 2024) — standard packing table p.7, p. 7
Thermal conductivity (λ)0.033 / 0.035 / 0.038 W/m·Kat 0 / 24 / 40 °C mean · ASTM C177, ASTM C518, ISO 8497, JIS A 1412-2AEROFLEX brochure (AF/OCT 2024) — standard packing table p.7, p. 3
Density40 – 80 kg/m³under 25 mm thick: 48–80 · ASTM D1667AEROFLEX brochure (AF/OCT 2024) — standard packing table p.7, p. 3
Service temperature range-57 – 125 °C—AEROFLEX brochure (AF/OCT 2024) — standard packing table p.7, p. 3
Reaction to fireV-0UL 94AEROFLEX brochure (AF/OCT 2024) — standard packing table p.7, p. 3
Reaction to fire25/50flame spread / smoke developed · ASTM E84AEROFLEX brochure (AF/OCT 2024) — standard packing table p.7, p. 3
Water vapour permeability< 0.10 perm·inASTM E96AEROFLEX brochure (AF/OCT 2024) — standard packing table p.7, p. 3

Models and sizes available

ModelThickness (mm)Dimensions
S 1843336 × 48 in (3 × 4 ft)
S 1443636 × 48 in (3 × 4 ft)
S 3843936 × 48 in (3 × 4 ft)
S 12431336 × 48 in (3 × 4 ft)
S 34431936 × 48 in (3 × 4 ft)
S 10432536 × 48 in (3 × 4 ft)
S 114433236 × 48 in (3 × 4 ft)
S 112433836 × 48 in (3 × 4 ft)
S 20435036 × 48 in (3 × 4 ft)

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Applications

Manufacturer documents

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