MICA Tape
Mica Tape
5. Mica Tape
5-1 NPM8-15 TAPE
5-2 NPM-13 TAPE
5-3 SYM TAPE
5-4 BGC TAPE
5-5 PMGP TAPE
5-6 MCM-13 TAPE
5-7 CMG TAPE
(5-1) NPM8-15 TAPE
1. Applicable Cable:
– 600V TFR-8 Cable, and CV Cable
2. Descriptions:
– 600V TFR-8 Cable, and CV Cable
2. Descriptions:
- Extrusion coating of Polyethylene polymer on a glass braided surface prevents dusts from spreading out when taping.
- Prevents Mica surface from cracks when taping.
- Fire resistant grade 800~850°C.
3. Structure
| Natural Mica Layer → Fluorphlogopite(Heat resisted at 800~850℃) |
| Bonding Layer → Heat resisted Silicon |
| Glass Braided Layer → Non-akali Glass |
| Coating Layer → PE Polymer |
4. Specification:
| Classification | Unit | NPM8-15 | Remarks |
|---|---|---|---|
| Appearance | – | – | Smooth and flat surface with no debris, scratch, crack, or dismantle of the mica |
| Thickness | mm | 0.15±0.015 | |
| Tensile Load | kgf/15mW | 20↑ | |
| Weight | g/m² | 210±20 | |
| Amount of Mica | % | 70↑ | |
| Density | g/㎝³ | 1.4±0.05 | |
| Dielectric Breakdown. | Kv | Average:2.0↑, Minimum:1.5↑ | |
| Pressure | – | – | Easy separation between specimen and insulation paper |
(5-2) NPM-13 TAPE
1. Applicable Cable:
600v refractory cable (TFR-8), CV Cable, Marin Cables as a refractory layer.
2. Descriptions:
- Refractory tape, which, glass braided layer is bonded on the Phlogopite(natural mica) paper side with heat-resistant silicone adhesive.
- NPM-13 overlaps between the conductor and the non-conductor which creates the fire-resistant layer. NPM013 can be taped to bind multi-core cable.
- Mainly used for small or mid-sized conductors.
- Phlogopite Mica is heat resistant up to 800~ 850°C.
3. Structure
| Natural Mica Layer → Fluorphlogopite(Heat resisted at 800~850℃) |
| Bonding Layer → Heat resisted Silicon |
| Glass Braided Layer → Non-akali Glass |
4. Specification:
| Classification | Unit | NPM-13 | Remarks |
|---|---|---|---|
| Thickness | mm | 0.13±0.015 | |
| Density | g/㎝³ | 1.35±0.15 | |
| Weight | g/m² | 175±20 | |
| Volatile Matter | % | 1.0↓ | |
| Amount of Mica | 70↑ | ||
| Loss of adhesive on contact with fire | 13↓ | ||
| Tensile Load | kgf/15mW | 18↑ | |
| Dielectric Breakdown | Kv | 1.5↑ (Minimum 1.4↑) | |
| Wrapping Test | – | – | No major wrinkle or peeling of the mica |
| Unwinding Property | – | – | Easy Unwinding and no separation between mica paper and glass cloth |
(5-3) SYM TAPE
1. Applicable Cable:
– Marin cables, TFR-8 refractory cable.
– Marin cables, TFR-8 refractory cable.
2. Descriptions:
- Refractory tape, which, glass braided layer is bonded on the fluorophlogopite(synthetic mica) paper side with heat-resistant silicone adhesive.
- Higher heat resistant than the natural mica
- This is a thin, lightweight product is used to reduce the outer diameter of the applied cables.
- Fluorophlogopite Mica is heat resistant up to 950~ 1,000°C.
3. Structure:
| Mica Layer → Fluorphlogopite(Heat resisted at 800~850℃) |
| Bonding Layer → Heat resisted Silicon |
| Glass Braided Layer → Non-akali Glass |
4. Specification:
| Classification | Unit | SYM | Remarks |
|---|---|---|---|
| Thickness | mm | 0.12±0.015 | |
| Density | g/㎝³ | 1.25±0.15 | |
| Weight | g/m² | 150±10 | |
| Volatile Matter | % | 0.32~0.37 | |
| Amount of Mica | 70↑ | ||
| Loss of adhesive on contact with fire | 1.3↓ | ||
| Tensile Load | kgf/15mW | 18↑ | |
| Dielectric Prolysis Temperature | ℃ | 1,000 | |
| Wrapping Test | – | – | No major wrinkle or peeling of the mica |
| Unwiding property | – | – | Easy Unwinding and no separation between mica paper and glass cloth |
(5-4) BGC TAPE
1. Applicable Cable:
– TFR-CV, TFR-3, control cables
2. Descriptions:
- Glass braided layer is bonded on the fluorophlogopite(synthetic mica) paper side with adhesive and coated with PE. polymer.
- Satisfies Horizontal flammability test(HRFT) and Vertical flammability test (VTFT)
- Heat resistant up to 800~850°C. Vertical flammable test passes at 820°C/20 min.
3. Structure:
| Mica Paper Layer |
| Heat-Resistible Bonding |
| Glass Braided Layer |
| PE Polymer Coating Layer |
4. Specification:
| Classification | Unit | BGC Tape | Remarks |
|---|---|---|---|
| Thickness | mm | 0.14±0.015 | |
| Weight | g/m² | 170±15 | |
| Tensile Load | kgf/15mW | 20↑ | |
| Density | g/㎝³ | 1.22±0.02 | |
| Fire Resist | – | – | VTFT Satisfied (Vertical Tray Flame Test: 820℃/20 minuts) |
(5-5) PMGP TAPE
1. Applicable Cable:
-Used as flame retardant for bus duct installation around transformers.
2. Descriptions:
-Used as flame retardant for bus duct installation around transformers.
2. Descriptions:
- Glass braided layer is bonded on the phlogopite(natural mica) paper side with adhesive and bonded PET film on both sides of the mica.
- Used for the high-voltage power transformer installation.
- Excellent performance as a heat, flame resistant.
3. Structure
| PET. Film Layer |
| Bonding Layer |
| Mica Layer |
| Bonding Layer |
| Glass Braided Layer |
| Bonding Layer |
| PET Film Layer |
4. Specification:
| Classification | Unit | PMGP-160 | PMGP-130 | Remarks |
|---|---|---|---|---|
| Thickness | mm | 0.16±0.015 | 0.13±0.015 | |
| Weight | g/m² | 225±15 | 180±15 | |
| Density | g/㎝³ | 1.40±0.14 | 1.38±0.13 | |
| Tensile Load | kgf/15mW | 20↑ | ||
| Dielectric Breakdown Voltage | kg/mm² | 5↑ | ||
| Adhesion | – | – | No peeling or separation of the mica | |
| Unwinding Property | – | Tape does not stick each other | ||
(5-6) MCM-13 TAPE
1. Applicable Cable:
– 600V TFR-8, CV Cable or Marine Cable
2. Descriptions:
- Glass braided layer is bonded on the Calcined Muscoite Mica with heat-protecting silicone adhesive.
- Overlaps between the conductor and the non-conductor which creates the fire-resistant layer.
- Flexible
- Heat resistant up to 750~850°C
3. Structure:
| 소성 Mica Layer ← 소성 무스코바이트 |
| Bonding Layer ← Heat Resistible Silicon Adhesive |
| Glass Braided Layer → Non-akali Glass |
4. Specification:
| Classification | Unit | MCM-13 | Remarks |
|---|---|---|---|
| Thickness | mm | 0.13±0.015 | |
| Density | g/㎝³ | 1.35±0.15 | |
| Weight | g/m² | 160,+5,-0 | |
| Volatile Matter | % | 1.0↓ | |
| Amount of Mica | 70↑ | ||
| Loss of adhesive on contact with fire | 13↓ | ||
| Tensile Load | kgf/15mW | 20↑ | |
| Dielectric Breakdown | Kv | 2.0↑ (Minimum 1.6↑) | |
| Wrapping Test | – | – | No major wrinkle or peeling of the mica |
| Unwinding Property | – | – | Easy Unwinding and no separation between mica paper and glass cloth |
Content for Tab 7