

3MTM ThinsulateTM
3M™ Thinsulate™ Acoustic Insulation SM600L
3M™ Thinsulate™ Acoustic Insulation SM600L is one of the thickest and most absorbent solutions in the Thinsulate range, engineered for superior noise damping in critical automotive and industrial applications. With a 42 mm thickness and 672 g/m² surface weight, SM600L delivers powerful acoustic energy absorption while remaining lightweight, hydrophobic, and flexible.
At EKO-TECH, we offer precision converting to adapt Thinsulate™ SM600L for your exact production needs. Whether you need custom-width rolls, sheeted formats, adhesive-backed panels, or die-cut pieces, we’re your one-stop partner for material processing and application design.
Where to Use SM600L
3M™ Thinsulate™ SM600L is ideal for:
Why Choose 3M™ Thinsulate™ SM600L?
Why Partner with EKO-TECH?
As a trusted 3M Select Converter, EKO-TECH guarantees:
Technical data:
Composition web 65% polypropylene, 35% polyester
Composition scrim 100% polypropylene
Construction and colour White web with single black scrim
Material Thickness 42 mm (tested after 6 weeks on roll according SAE J1355 @ 0,002psi (14N/m²))
Surface weight 672 g/m² (web and scrim; tested on 315 x 315 mm samples)
Density 15,3 kg/m3
Flammability Self-Extinguishing (SE) as per SAE J369 (FMVSS 302, ISO 3795, DIN75200)
Temperature resistance 120°C (tested for 2000 hours)
Storage Rolls need to be stored upright.
Availability
die cuts as per customer requirement
– plain cut, hot trim edge or sealed edge
– available with adhesive



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