R+F Composite & SMS Series
The Power of Multi-Layer Filtration
Why Choose R+F Composite & SMS Media?
In modern filtration, a single layer is often not enough. Our Composite and SMS (Spunbond-Meltblown-Spunbond) series offers a sophisticated solution by laminating different functional layers into one high-performance medium.
SMS Construction: A core of high-efficiency meltblown fibers is sandwiched between two robust spunbond layers. This protects the fine filter core while providing excellent mechanical strength.
Custom Composites: We offer bespoke combinations of PET, PP, and specialized membranes to match your specific chemical and thermal requirements.
Durability meets Efficiency: High dust-holding capacity and low pressure drop, even under high mechanical stress.
R+F Composite & SMS Series – Product Finder
Filter by application, structure type or efficiency grade. Click an article number for a quick inquiry.
| Article No. | Structure | Polymer | Total Basis Weight (g/m²) | Layer Ratio (g/m²) | Micron Rating (µm) | Efficiency Grade | Air Permeability (L/m²/s @ 200 Pa) | Max. Temp. (°C) | Application | Inquiry |
|---|---|---|---|---|---|---|---|---|---|---|
| RF-C-SMS-060-M5 | SMS (Spunbond / Meltblown / Spunbond) | PP | 60 | 20 / 20 / 20 | 10–20 | M5 | ~900 | 80 | Air / Gas | |
| RF-C-SMS-080-M6 | SMS (Spunbond / Meltblown / Spunbond) | PP | 80 | 25 / 30 / 25 | 5–10 | M6 | ~700 | 80 | Air / Gas | |
| RF-C-SMS-100-E10 | SMS (Spunbond / Meltblown / Spunbond) | PP | 100 | 30 / 40 / 30 | 1–5 | E10 | ~500 | 80 | Air / Gas | |
| RF-C-SMS-120-E11 | SMS (Spunbond / Meltblown / Spunbond) | PP | 120 | 35 / 50 / 35 | 0.5–1 | E11 | ~350 | 80 | Air / Gas | |
| RF-C-SMS-140-E12 | SMS (Spunbond / Meltblown / Spunbond) | PP | 140 | 40 / 60 / 40 | 0.3–0.5 | E12 | ~250 | 80 | Air / Gas | |
| RF-C-COMP-120-LIQ | Composite (Spunbond / Meltblown) | PET / PP | 120 | 60 / 60 | 10–20 | M5 | ~600 | 120 | Liquid | |
| RF-C-COMP-160-LIQ | Composite (Spunbond / Meltblown) | PET / PP | 160 | 70 / 90 | 5–10 | M6 | ~450 | 120 | Liquid | |
| RF-C-CARB-120-ODR | Composite (Spunbond / Carbon Layer / Meltblown) | PP / Carbon | 120 | 40 / 40 / 40 | 5–10 | M6 | ~380 | 80 | Air & Liquid | |
| RF-C-MEM-130-HIGH | Composite (Support / Membrane / Protective Layer) | PET / Membrane | 130 | 50 / 30 / 50 | <0.3 | H13 (HEPA) | ~120 | 80 | Air / Gas | |
| RF-C-ULTRA-150-HEPA | Multi-Layer (Spunbond / Meltblown / Membrane / Spunbond) | PP / Membrane | 150 | 40 / 40 / 30 / 40 | <0.1 | H13 (HEPA) | ~80 | 80 | Air / Gas |
Understanding SMS & Multi-Layer Technology
At R+F, “Multi-Layer” means more than just stacking materials. It is the strategic lamination of functional layers to create a high-performance “sandwich” structure.
What is SMS?
SMS stands for Spunbond + Meltblown + Spunbond.
- Spunbond (Outer Layers): These layers provide the “skeleton.” They offer high tensile strength, abrasion resistance, and protect the delicate inner core.
- Meltblown (Inner Core): This is the “heart” of the filter. These ultra-fine fibers create a dense web that captures even the smallest sub-micron particles.
The result: A filter medium that is as tough as a Spunbond but as efficient as a Meltblown.
The Multi-Layer Advantage:
Single-layer media often face a trade-off: if they are strong, they aren’t efficient; if they are efficient, they are fragile. Our Composite Series breaks this compromise:
- Gradient Density: We can combine layers with different pore sizes to create a “depth filter” effect, significantly increasing the Dust Holding Capacity (DHC).
- Functional Integration: We can laminate specialized layers, such as activated carbon for odor removal or hydrophobic membranes for water separation, directly into the composite.
- Pleatability: Multi-layer structures provide the necessary stiffness for high-speed pleating processes without damaging the fine filter fibers.
Engineered for Demanding Environments
The R+F Composite Series is the preferred choice for:
- HVAC & Air Purification: High-strength pocket filters and pleated elements.
- Liquid Filtration: Support layers for membranes or high-pressure liquid processing.
- Medical & Hygiene: Breathable yet highly efficient barriers.
- Automotive: Cabin air and engine intake filtration where vibration resistance is key.
Ready for a Multi-Layer Solution?
Not sure which layer combination fits your specific pressure and efficiency requirements? Our engineers are ready to help you design the ideal multi-layer laminate.
Address
R+F FilterElements GmbH
Wollenweberstraße 25
31134 Hildesheim
Germany