Suzhou Volsun Electronics Technology Co., Ltd.
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FST6031SI
VOLSUN
In the realm of electrical insulation and emergency repairs, the Electrical Silicone Self-Fusing Tape stands as a versatile solution that combines rapid application with long-term reliability. This specialized tape utilizes advanced silicone polymer technology to create a permanent, airtight seal without adhesives, providing superior insulation and environmental protection for electrical connections, cables, and components. Unlike traditional tape products that rely on glue-based adhesion, its unique self-fusing 特性 ensures lasting performance in extreme temperatures, humid environments, and harsh industrial conditions—making it indispensable for electricians, maintenance professionals, and emergency responders.
Engineered specifically for electrical applications, the tape provides exceptional insulation properties with a dielectric strength of 30 kV/mm and volume resistivity exceeding 10¹⁴ ohm·cm . It meets UL 510 standards for electrical insulation tapes, supporting voltage applications up to 69 kV when properly applied with recommended overlap . The silicone formulation maintains these insulating properties across a wide temperature range, ensuring reliable performance in both hot and cold environments.
The tape's proprietary cold vulcanization process creates a molecular bond with itself when stretched and wrapped, forming a seamless rubber sleeve within 24 hours of application . This bond eliminates adhesive breakdown issues common with traditional tapes, providing a permanent seal that won't dry out, crack, or peel over time . When applied with 75% stretch, it achieves an IP68 ingress protection rating, effectively sealing out moisture, dust, and contaminants.
Formulated to withstand temperatures from -60°C to 200°C (-76°F to 392°F), the tape maintains flexibility and sealing properties in both cryogenic and high-heat applications . It exhibits excellent resistance to ozone, UV radiation, and weathering, retaining 90% of its properties after 10,000 hours of outdoor exposure . The material is also resistant to oils, fuels, and most industrial chemicals, ensuring performance in diverse operating environments.
Category | Specification | Value | Test Method |
Electrical Properties | Dielectric Strength | 30 kV/mm | ASTM D149 |
Volume Resistivity | >10¹⁴ ohm·cm | IEC 60093 | |
Voltage Rating | Up to 69 kV | UL 510 | |
Tracking Resistance | PLC 0 (1000V) | IEC 60112 | |
Thermal Properties | Operating Temperature Range | -60°C to 200°C | ASTM D638 |
Short-Term Heat Resistance | 260°C (1 hour) | ASTM D648 | |
Mechanical Properties | Tensile Strength | 8.5 MPa | ASTM D412 |
Elongation at Break | 600% | ASTM D412 | |
Adhesion to Self | 2.5 N/cm | ASTM D3359 | |
Performance Metrics | Weathering Resistance (10,000hr) | 90% Property Retention | ASTM G154 |
Chemical Resistance | Oils, Fuels, Solvents | ASTM D543 | |
Water Absorption | <0.1% | ASTM D570 |
Ideal for emergency and permanent repairs on power distribution cables, transformers, and junction boxes. Provides temporary insulation until permanent repairs can be scheduled, supporting continued operation.
Creates moisture-tight seals around cable lugs, splices, and connectors in outdoor electrical systems. Prevents corrosion and leakage in underground and submerged applications.
Insulates and protects winding connections in electric motors and generators. Withstands the thermal cycling and oil exposure common in these applications.
Seals connections in solar panel arrays, wind turbine nacelles, and battery storage systems. UV resistance ensures long-term performance in outdoor environments.
The tape is formulated with high-molecular-weight silicone polymers that create intermolecular bonds when stretched during application . When wrapped with 75% stretch (extending the tape to 1.75 times its original length), these polymer chains interlock across tape layers, forming a homogeneous rubber sleeve within 24 hours . This chemical bonding creates a seamless seal that's stronger than adhesive-based tapes, which rely on mechanical adhesion that degrades over time.
Yes, the tape is designed for live-line applications up to 69 kV when applied by qualified personnel following proper safety protocols . Its high dielectric strength and insulating properties allow for emergency repairs without power interruption, though users should always follow industry safety guidelines for working near energized equipment.
When properly applied with the recommended 50% overlap, the tape creates an IP68 waterproof seal that prevents water ingress even in submerged applications . The silicone material is inherently hydrophobic, resisting water absorption and maintaining its insulating properties even when wet, making it ideal for underground, marine, and outdoor electrical applications.
Item | Typical Data | Test Standard |
Tensile Strength | ≥4.0MPa | GB/T 528-2009 |
Elongation at break | ≥300% | GB/T 528-2009 |
Self-adhesive | ＞3.5N/cm | ASTM D2148 |
Dielectric strength | ≥22kV/mm | GB/T1408.1-2006 |
Volume resistivity | ≥1.3×1014Ω·m | GB/T1410-2006 |
Size | Width（mm） | Thickness（mm） | Package（M/Roll） |
19*0.5 | 19±2.0 | 0.5±0.08 | 5/ customized |
25*0.3 | 25±2.0 | 0.8±0.08 | 5/ customized |
25*0.5 | 25±2.0 | 0.5±0.08 | 5/ customized |
25*0.8 | 25±2.0 | 0.8±0.08 | 5/ customized |
50*0.5 | 50±2.0 | 0.5±0.08 | 5/ customized |
50*0.8 | 50±2.0 | 0.8±0.08 | 5/ customized |
50*1.0 | 50±2.0 | 1.0±0.08 | 5/ customized |
Note: special size and packaging can be customized upon request
In the realm of electrical insulation and emergency repairs, the Electrical Silicone Self-Fusing Tape stands as a versatile solution that combines rapid application with long-term reliability. This specialized tape utilizes advanced silicone polymer technology to create a permanent, airtight seal without adhesives, providing superior insulation and environmental protection for electrical connections, cables, and components. Unlike traditional tape products that rely on glue-based adhesion, its unique self-fusing 特性 ensures lasting performance in extreme temperatures, humid environments, and harsh industrial conditions—making it indispensable for electricians, maintenance professionals, and emergency responders.
Engineered specifically for electrical applications, the tape provides exceptional insulation properties with a dielectric strength of 30 kV/mm and volume resistivity exceeding 10¹⁴ ohm·cm . It meets UL 510 standards for electrical insulation tapes, supporting voltage applications up to 69 kV when properly applied with recommended overlap . The silicone formulation maintains these insulating properties across a wide temperature range, ensuring reliable performance in both hot and cold environments.
The tape's proprietary cold vulcanization process creates a molecular bond with itself when stretched and wrapped, forming a seamless rubber sleeve within 24 hours of application . This bond eliminates adhesive breakdown issues common with traditional tapes, providing a permanent seal that won't dry out, crack, or peel over time . When applied with 75% stretch, it achieves an IP68 ingress protection rating, effectively sealing out moisture, dust, and contaminants.
Formulated to withstand temperatures from -60°C to 200°C (-76°F to 392°F), the tape maintains flexibility and sealing properties in both cryogenic and high-heat applications . It exhibits excellent resistance to ozone, UV radiation, and weathering, retaining 90% of its properties after 10,000 hours of outdoor exposure . The material is also resistant to oils, fuels, and most industrial chemicals, ensuring performance in diverse operating environments.
Category | Specification | Value | Test Method |
Electrical Properties | Dielectric Strength | 30 kV/mm | ASTM D149 |
Volume Resistivity | >10¹⁴ ohm·cm | IEC 60093 | |
Voltage Rating | Up to 69 kV | UL 510 | |
Tracking Resistance | PLC 0 (1000V) | IEC 60112 | |
Thermal Properties | Operating Temperature Range | -60°C to 200°C | ASTM D638 |
Short-Term Heat Resistance | 260°C (1 hour) | ASTM D648 | |
Mechanical Properties | Tensile Strength | 8.5 MPa | ASTM D412 |
Elongation at Break | 600% | ASTM D412 | |
Adhesion to Self | 2.5 N/cm | ASTM D3359 | |
Performance Metrics | Weathering Resistance (10,000hr) | 90% Property Retention | ASTM G154 |
Chemical Resistance | Oils, Fuels, Solvents | ASTM D543 | |
Water Absorption | <0.1% | ASTM D570 |
Ideal for emergency and permanent repairs on power distribution cables, transformers, and junction boxes. Provides temporary insulation until permanent repairs can be scheduled, supporting continued operation.
Creates moisture-tight seals around cable lugs, splices, and connectors in outdoor electrical systems. Prevents corrosion and leakage in underground and submerged applications.
Insulates and protects winding connections in electric motors and generators. Withstands the thermal cycling and oil exposure common in these applications.
Seals connections in solar panel arrays, wind turbine nacelles, and battery storage systems. UV resistance ensures long-term performance in outdoor environments.
The tape is formulated with high-molecular-weight silicone polymers that create intermolecular bonds when stretched during application . When wrapped with 75% stretch (extending the tape to 1.75 times its original length), these polymer chains interlock across tape layers, forming a homogeneous rubber sleeve within 24 hours . This chemical bonding creates a seamless seal that's stronger than adhesive-based tapes, which rely on mechanical adhesion that degrades over time.
Yes, the tape is designed for live-line applications up to 69 kV when applied by qualified personnel following proper safety protocols . Its high dielectric strength and insulating properties allow for emergency repairs without power interruption, though users should always follow industry safety guidelines for working near energized equipment.
When properly applied with the recommended 50% overlap, the tape creates an IP68 waterproof seal that prevents water ingress even in submerged applications . The silicone material is inherently hydrophobic, resisting water absorption and maintaining its insulating properties even when wet, making it ideal for underground, marine, and outdoor electrical applications.
Item | Typical Data | Test Standard |
Tensile Strength | ≥4.0MPa | GB/T 528-2009 |
Elongation at break | ≥300% | GB/T 528-2009 |
Self-adhesive | ＞3.5N/cm | ASTM D2148 |
Dielectric strength | ≥22kV/mm | GB/T1408.1-2006 |
Volume resistivity | ≥1.3×1014Ω·m | GB/T1410-2006 |
Size | Width（mm） | Thickness（mm） | Package（M/Roll） |
19*0.5 | 19±2.0 | 0.5±0.08 | 5/ customized |
25*0.3 | 25±2.0 | 0.8±0.08 | 5/ customized |
25*0.5 | 25±2.0 | 0.5±0.08 | 5/ customized |
25*0.8 | 25±2.0 | 0.8±0.08 | 5/ customized |
50*0.5 | 50±2.0 | 0.5±0.08 | 5/ customized |
50*0.8 | 50±2.0 | 0.8±0.08 | 5/ customized |
50*1.0 | 50±2.0 | 1.0±0.08 | 5/ customized |
Note: special size and packaging can be customized upon request
