Sound Absorbers & Duct Liners – Incoflex XLPE Polyolefin & NBR Elastomeric Thermal Insulation Solutions

Sound Absorbers & Duct Liner

High-performance materials designed to absorb sound waves within HVAC systems while improving thermal efficiency.

Flexible elastomeric foam with excellent condensation resistance.

Lightweight cross-linked polyethylene foam for acoustic performance.

Fire-resistant foam with aluminum foil facing.

Eco-friendly recycled NBR foam with high durability.

Technical Data Table

Standard Specification
Properties	DLN	DLX	DLXF	DLNBF
Density (kg/m³)	60-85	25-35	25-35	80-120
Thermal Conductivity	0.034 W/m-K	0.033 W/m-K	0.033 W/m-K	0.038 W/m-K
Temperature Range	-183°C to +104°C	-40°C to +93°C	-40°C to +93°C	-40°C to +100°C
Water Absorption	Low	Low	Low	Moderate
Fire reaction	Meets UL 94	Meets UL 94	Meets UL 94	Meets UL 94
Noise Reduction Coefficient	Up to 0.70	Up to 0.75	Up to 0.75	Up to 0.85
Moisture Resistance	Excellent	Excellent	Excellent	Moderate
Mold Resistance	Resistant	Resistant	Resistant	Resistant

NRC Data
Thickness(mm)	DLN	DLX	DLXF	DLNBF
5	0.12	0.12	0.13	0.15
10	0.22	0.22	0.24	0.28
12	0.26	0.27	0.29	0.32
15	0.32	0.33	0.35	0.38
20	0.42	0.45	0.47	0.48
25	0.50	0.55	0.56	0.55
30	0.55	0.60	0.61	0.60
35	0.58	0.64	0.65	0.65
40	0.62	0.68	0.69	0.72
45	0.66	0.72	0.73	0.78
50	0.70	0.75	0.75	0.85