Self-Extinguishing Thin FR Sheet & Functional Composite Sheet
FlamEL® 4.0
Applied materials
FR plastic
FR fiber
FR performance at 0.5 mm
Added function by combining with other materials
A safe FR composite sheet with no hazard to the human body
Product Overview
Self-Extinguishing FR Plastic Thin Sheet and Application Solutions
Self-Extinguishing Thin FR Sheet & Functional Composite Sheet
FlamEL® 4.0+ is made by adding additives to FlamEL® 4.0 material, delivering sufficient FR performance in thin sheets of 0.3–1 mm.
Depending on the application, FlamEL® 4.0+ can add functions such as heat dissipation (FlamEL® 4.0+ Alu), enhanced flexibility (FlamEL® 4.0+ Tex), and vibration and noise suppression (FlamEL® 4.0+ FE), providing FR solutions for a wide range of industries.
FlamEL® 4.0+ is a 0.3–1 mm FR sheet made by adding functional materials to FlamEL® 4.0. Lamination with other materials, by thickness, builds a range of performance.
FR performance at 0.5 mm
Added function by combining with other materials
A safe FR composite sheet with no hazard to the human body
Recommended Processing
- Sheet or roll (0.3 mm and up)
- Direct bonding or adhesion to fabric and other substrates
Available Forms
- Sheet or roll
FlamEL® 4.0+ Product Overview
| Product | Features | Performance |
|---|---|---|
| FlamEL® 4.0 Plus | FlamEL® 4.0 Plus 0.5mm, 1mm | Full performance at low thickness |
| FlamEL® 4.0 Plus Alu | Lamination of FlamEL® 4.0 Plus sheet and aluminium sheet | FR performance plus heat dissipation |
| FlamEL® 4.0 Plus Tex | Lamination of FlamEL® 4.0 Plus sheet and textile | Flexibility of the FR sheet |
| FlamEL® 4.0 Plus FE | Lamination of FlamEL® 4.0 Plus sheet and felt | Vibration and noise control |
Test Video
4.0 Burning Test (KOTITI)
Key Tests — Performance & Safety
Performance & Safety Tests
| Evaluation item | Test product | Lab / standard | Test result | Characteristics |
|---|---|---|---|---|
| Flammability | FlamEL® 4.0+ (0.5mm, 1mm) | UL94-2026 / KOTITI | VTM-0 rating | Top FR rating on 0.5 mm sheet (equivalent to V-0) |
| Heat Release Rate | FlamEL® 4.0+ (1.0mm) | KS F ISO 5660-1 / KOTITI | Total heat release 22.86 MJ/m2 | Controls surface heat release to protect the substrate and slow fire spread |
| Peak heat release rate 167.93 kW/m2 | ||||
| Gas toxicity | FlamEL® 4.0+ (0.5mm, 1mm) | KS F 2271 / KOTITI | Mean time to incapacitation / 13m 49s~14m 6s (0.5mm) / 13m 27s (1mm) | Well above the 9-minute criterion, securing evacuation time |
| REACH SVHC | FlamEL® 4.0+ sheet | EC No. 1907/2006 / KOTITI | All 259 substances not detected | Full pass on ECHA Substances of Very High Concern |
| RoHS | FlamEL® 4.0+ sheet | KS C IEC 62321-5 / KOTITI | 6 restricted substances not detected | Pb, Hg, Cd, Cr(VI) and other heavy metals not detected - suitable for electronics and battery parts |
| 4 phthalates not detected | ||||
| Halogen | FlamEL® 4.0+ sheet | IEC 62321-8, 3-2 KOTITI / | Halogen-Free | Safe in enclosed interiors; no toxic gas on combustion |
Top thin-film rating (VTM-0)
- UL 94 top rating VTM-0 on 0.5 mm sheet
- True self-extinguishing performance in thin film and sheet
Heat barrier and time to evacuate
- Excellent heat barrier: total heat release 22.86 MJ/m²
- Time to incapacitation up to 14 min 06 s (ample time to evacuate)
Global eco & non-toxic compliance
- RoHS 6 restricted substances and 4 phthalate plasticizers not detected
- REACH SVHC: 259 substances of very high concern not detected
- Halogen-Free
Key Tests — Application Functionality
Application Functions
| Evaluation item | Test product | Lab / standard | Test result | Characteristics |
|---|---|---|---|---|
| High-frequency absorption (α) | FlamEL® 4.0+ FE composite sheet | KCL / KS F 2814-2 | 2,000~4,000Hz : 0.49 ~ 0.64 | FR function plus up to 64% absorption of high-frequency noise |
| (Peak 0.64 at 3,150 Hz) |
FlamEL® 4.0+ FE FR + acoustic composite
- Acoustic material laminated to FlamEL® 4.0+
- FR performance, plus up to 64% absorption of noise above 2,000 Hz
FlamEL® 4.0+ FE absorption by frequency - summary data (KS F 2814-2)
| Frequency band | Low frequency | Mid frequency | High frequency (peak) |
|---|---|---|---|
| Frequency (Hz) | 100 ~ 400 | 500 ~ 1,600 | 2,000 ~ 5,000 |
| Mean absorption coefficient (α) | 0.04 ~ 0.07 | 0.08 ~ 0.34 | 0.49 ~ 0.64 |
| Noise reduction | 4% ~ 7% | 8% ~ 34% | 49% ~ 64% |
| Key point | Low-frequency vibration range | Absorption rises sharply from 1,000 Hz | Peak absorption of 64% at 3,150 Hz |
Key Products — FlamEL® 4.0+ Sheet (0.5 mm)
FlamEL® 4.0+ Sheet (0.5 mm)
| Category | Test Item | Method | Test Result | Unit | Property note |
|---|---|---|---|---|---|
| Mechanical properties | Specific gravity | KS M ISO 1183-1 | 1.379 | - | Balanced light weight and FR performance |
| Mechanical properties | Water absorption | ASTM D570 | 0.56 | % | Minimal change in dimension and properties in humidity |
| Mechanical properties | Tensile strength | KS M ISO 527-2 | 5.68 | MPa | Tensile strength suited to sheet and film converting |
| Mechanical properties | Elongation | KS M ISO 527-2 | 470 | % | Maximum flexibility (no cracking in wrapping, thermoforming, or bending) |
| Mechanical properties | Hardness | KS M ISO 868 | 36 | Shore D | Soft sheet with easy converting |
| Thermal properties | Vicat softening temperature (VST) | KS M ISO 306 | 63.2 | °C | Suitable for interior trim and film lamination |
| Electrical properties | Surface resistance | ASTM D257 | 2.02 X 1016 | Ω/sq | Excellent electrical insulation around appliances and batteries |
| Electrical properties | Volume resistance | ASTM D257 | 2.83 X 1017 | Ω·cm | Prevents internal current leakage and supports electrical safety |
| Barrier performance | Oxygen transmission rate (OTR) | ASTM D3985 | 407.14 | cc/(m2 · Day) | Oxygen barrier helps delay oxidation and combustion |
| Barrier performance | Water vapor transmission rate (WVTR) | ASTM F1249 | 0.95 | g/(m2 · Day) | Strong moisture barrier protects the substrate and components |
Key Products — FlamEL® 4.0+ Sheet (1.0 mm)
FlamEL® 4.0+ Sheet (1.0 mm)
| Category | Test Item | Method | Test Result | Unit | Property note |
|---|---|---|---|---|---|
| Mechanical properties | Specific gravity | KS M ISO 1183-1 | 1.359 | - | Balanced light weight and FR performance |
| Mechanical properties | Water absorption | ASTM D570 | 0.31 | % | Minimal change in dimension and properties in humidity |
| Mechanical properties | Tensile strength | KS M ISO 527-2 | 5.55 | MPa | Tensile strength suited to sheet and film converting |
| Mechanical properties | Elongation | KS M ISO 527-2 | 110 | % | Maximum flexibility (no cracking in wrapping, thermoforming, or bending) |
| Thermal properties | Vicat softening temperature (VST) | KS M ISO 306 | 76.9 | °C | Suitable for interior trim and film lamination |
| Electrical properties | Surface resistance | ASTM D257 | 1.70 X 1017 | Ω/sq | Excellent electrical insulation around appliances and batteries |
| Electrical properties | Volume resistance | ASTM D257 | 4.91 X 1017 | Ω·cm | Prevents internal current leakage and supports electrical safety |
| Barrier performance | Oxygen transmission rate (OTR) | ASTM D3985 | 123.24 | cc/(m2 · Day) | Oxygen barrier helps delay oxidation and combustion |
| Barrier performance | Water vapor transmission rate (WVTR) | ASTM F1249 | 0.38 | g/(m2 · Day) | Strong moisture barrier protects the substrate and components |
Key Products — FlamEL® 4.0+ Alu / Tex
FlamEL® 4.0+ Alu
FlamEL® 4.0+ (0.5 mm) + aluminum (45 μm) specialty laminate
| Item | Details |
|---|---|
| Features | Heat dissipation maximized |
| Specification | Width: max. 1,080 mm / Length: 1 m increments (roll or sheet) |
| Use | Under-solar-panel installation / FR heat-dissipation sheet / Can be used with vacuum insulation |
FlamEL® 4.0+ Tex
FlamEL® 4.0+ (0.5 mm) + textile specialty laminate
| Item | Details |
|---|---|
| Features | FR material with added flexibility / Textile character adds function on top of FR performance / Thin and lightweight - suited to specified fire-safety products |
| Specification | Thickness: 0.5 mm + textile / Width: max. 1,500 mm / Length: 1 m increments (roll or sheet) |
| Use | Fire shutters and FR blackout curtains / Fire blankets, fire curtains, and ember-control blankets / Protective clothing and gloves for welding |
