Shanghai Shenghua Mineral Magnisia Insualted Copper Sheathed Cable

• Customization: Available
• Application: Underground, Industrial, Power Station, Mineral
• Voltage: 500/750V
• Model NO.: BTTQ BTTZ BTTVQ BTTYQ BTTVZ BTTYZ
• Current: DC & AC
• Insulation Material: Mineral Magnisia
• Sheath Material: Optional
• Material Shape: Round Wire
• Wire Core Material: Copper
• Certification: ISO, CCC, CE, RoHS
• Model: Bttq Bttz Bttvq Bttyq Bttvz Bttyz
• Brand: Shenghua
• Fire-Resistive: Yes
• Overload Protection: Yes
• High Working Temp.: 250℃
• Proof: Waterproof, Anticorrosion and Explosion-Proof
• Transport Package: Packed in Wooden Iron Drum
• Trademark: Xinxin
• Origin: China
• HS Code: 854449
• Production Capacity: 100000
• Package Size: 120.00cm * 120.00cm * 75.00cm
• Package Gross Weight: 800.000kg

Product Description

Shanghai Shenghua Cable Group

Founded in 1997, Shanghai Shenghua Cable Group is one of China's leading wire and cable manufacturers with nationwide production bases and nearly 10,000 employees. With 80+ product series and global certifications, we deliver reliable cable solutions for power, infrastructure and industrial markets worldwide.

Specification

Applications

1.Nuclear & Radiation Areas
Durable in high-radiation environments; no insulation degradation under prolonged exposure.
2.High-Temperature Fire Circuits
Continues to operate during building fires; copper sheath blocks flame and maintains circuit integrity.
3.Oil & Gas Plants
Resists oil, hydrocarbon vapours and rapid temperature swings; suitable for refinery and offshore decks.

Key Configurations

Construction:
Copper conductors, magnesium-oxide insulation, copper sheath, optional anti-corrosion jacket.
Electrical Performance:
High current rating, low impedance, copper sheath serves as built-in earth conductor.
Mechanical Strength:

High resistance, excellent bendability after annealing, rodent-proof and watertight.

Technical Specifications

(Custom configurations available upon request.)

Series	Cores×mm²	OD - bare mm	OD - with anticorrosion jacket mm	Current - with anticorrosion jacket A	Current - bare A	Cross section size of copper sheath mm²	Approx. Weight - bare kg/km	Approx. Weight - with anticorrosion jacket kg/km
BTTQ	2×1.0	5.1	6.4	17.5	19.5	6	104	125
	2×1.5	5.7	7	22.5	25	7.1	130	153
	2×2.5	6.6	7.9	30	33	9.4	179	205
	2×4.0	7.7	9.2	40	44	12.1	248	287
	3×1.0	5.8	7.1	15	16.5	7.6	135	159
	3×1.5	6.4	7.7	19	21	8.9	168	193
	3×2.5	7.3	8.8	25	28	10.7	224	261
	4×1.0	6.3	7.6	14.5	16	8.8	161	187
	4×1.5	7	8.3	19	21	10.2	202	230
BTTZ	1×2.5	5.3	6.6	39	43	6.4	116	137
	1×4.0	5.9	7.2	51	56	7.7	135	170
	1×6.0	6.4	7.7	63	69	8.9	180	206
	1×10	7.3	8.8	81	90	10.7	245	278
	1×16	8.3	9.8	107	119	13.2	320	371
	1×25	9.6	11.1	139	154	17	440	502
	1×35	10.7	12.2	168	187	20.2	555	637
	1×50	12.1	13.6	207	230	24.7	736	831
	1×70	13.7	15.2	251	279	30.9	981	1088

Drawings

Detailed CAD drawings is available for download here or upon inquiry. Our engineering team can provide tailored designs to meet specific project requirements.

Main Performance

1. Fire-Immunity  
Inorganic MgO insulation and copper sheath keep the circuit alive at 250 °C and survive short-term exposure to 1 083 °C flame without replacement.

2. Overload-Proof  
Cable remains undamaged until copper melts; any MgO fusion at the fault point re-crystallises unchanged when the overload clears.

3. Current-Dense  
Superior thermal conductivity allows one to two smaller cross-sections versus plastic cables for the same ampacity.

4. Thermo-Robust  
Rated 250 °C continuously and 1 083 °C for emergency runs, far beyond organic insulations.

5. Ingress-Safe  
Seamless copper tube gives IP68-level sealing against water, oil, chemicals and blocks flame propagation.

6. EMI-Shielded  
Solid copper sheath acts as a 360° Faraday cage, suppressing both outbound emissions and inbound interference.

7. Radiation-Resistant  
Wholly inorganic construction eliminates dose-induced degradation; electrical and mechanical properties remain intact after nuclear radiation.

8. Century-Plus Lifespan  
Absence of ageing reactions in inorganic materials delivers a service life measured in hundreds of years.

9. Compact & Lightweight  
Smaller OD and lower weight than equivalently rated plastic cables cut tray fill by up to 50 % and simplify handling.

10. Halogen-Free Safety  
Zero organics mean no smoke, halogens or toxic gases even at >1 000 °C, eliminating secondary hazards and meeting the strictest green-building codes.

11. Crush-Tough  
Dense copper/MgO assembly withstands severe impact, compression and bending; remains fully functional after 30–70 % diametral deformation.

12. Cold-Bendable  
Full anneal enables 2–6 × OD minimum bend radius; repeated bends are possible with local torch heating and no cracking.

13. Integral Earth  
Copper sheath provides built-in, low-impedance earth continuity, removing the need for a separate ground conductor and lowering installation cost.

Company Profile