High Thermal Conductivity Boron Nitride Nanosheets Thermal Film

Product Description

Product Description

Thermal Insulating Sheets for Air Conditioner Compressor Applications

Air conditioner compressors operate in harsh environments—enduring high temperatures, mechanical vibrations, and high-voltage power conversion. The power modules driving the compressor motor (e.g., IGBTs, MOSFETs) generate substantial heat, demanding simultaneous thermal dissipation and robust electrical insulation from metal heat sinks. Thermal insulating sheets address these dual challenges, enabling reliable and efficient compressor operation.

Challenges in Compressor Systems

Traditional insulation and cooling methods struggle to meet modern compressor demands:

Challenge	Traditional Solution Limitations
Thermal Stress	Thermal grease requires manual application, dries out over time, and fails to stabilize under vibration.
Electrical Isolation	Mica sheets are brittle, prone to cracking under vibration, and risk insulation failure.
Assembly Complexity	Grease messes and fragile mica increase installation time and maintenance costs.

How Thermal Insulating Sheets Solve These Issues

Thermal insulating sheets integrate three core properties optimized for compressors:
1. Efficient Heat Management
High thermal conductivity rapidly transfers heat from power devices (e.g., IGBTs) to aluminum heat sinks, reducing junction temperatures and minimizing thermal cycling—a leading cause of component failure.
2. Robust Electrical Safety
With dielectric strength reaching up to 6000VAC, the sheets prevent electrical breakdown between active components and metal structures, ensuring safety in high-voltage compressor drives.
3. Vibration Resistance
Flexible yet durable, the sheets resist cracking or deformation under continuous compressor vibrations, maintaining performance over thousands of operating cycles.

Key Benefits for Compressor Applications
Benefit	Impact on Compressors
Enhanced Reliability	Eliminates thermal grease leakage, mica cracking, and insulation-related short circuits.
Simplified Assembly	Replaces messy manual application with clean, pre-cut sheets that bond directly to heat sinks.
Extended Lifespan	Reduces wear from thermal stress and vibration, lowering downtime and replacement costs.

Application Integration

Thermal insulating sheets integrate seamlessly into compressor module design:

1.Precision Fit: Sheets are cut to match the thermal interface of power modules (e.g., IGBTs in AC-DC converter stages).
2.Secure Mounting: Bond directly to cast aluminum heat sinks, with screw mounting ensuring uniform pressure for optimal thermal contact.
3.Hassle-Free Assembly: Pre-aligned holes match component and heat sink mounts, streamlining installation.

Specification

Feature	Test Result	Test Standard
Composition	Fiberglass, silicone	***
Normal Thickness	0.22 ± 0.2 mm	ASTM D751
Customized Thickness	0.15~1.0 mm	***
Density	2.2 g/cm³	ASTM D297
Shore Hardness	90 Shore A	ASTM D2240
Tensile Strength	450 psi	ASTM D412
Applicable Temperature	-50~200 °C	***
Breakdown Voltage	>4 kV@AC	ASTM D149
Dielectric Constant	5.5 1MHz	ASTM D150
Volume Resistivity	5.0*10^13 Ω·cm	ASTM D257
Fire Rating	V–0	UL 94
Thermal Conductivity	0.8 W/m·K	ASTM D5470
Thermal Impedance	0.8 °C·in²/W	ASTM D5470
RoHS	PASS	IEC 62321
Halogen	PASS	EN14582
REACH	PASS	EN14372

Performance Validation

Key specifications confirm suitability for compressors:

·Dielectric Strength: Up to 6000VAC (ensures safety in high-voltage environments).
·Thermal Resistance: As low as 0.41°C-in²/W (@50 psi), maximizing heat transfer efficiency.
·Mechanical Stability: Flexible construction withstands continuous vibration without damage.

Company Profile

Guangdong Dongsen Zhichuang Technology Co., Ltd.was established in 2019, located in Guangdong Province, China, with a registered capital of 5 million RMB. We operate two R&D Center in China and Japan, along with two production bases in Guangdong Province, China. With over 200 employees boasting 14 years of industry experience in research, development, and production, we specialize in manufacturing and selling thermal conductive materials such as thermal conductive silicone pads, thermal grease, thermal double-sided adhesive tape, thermal potting compound, thermal gel, thermal copper foil, copper foil tape, graphite sheets, and thermal ceramic sheets. Additionally, we offer customized die-cutting services for various products. We have been providing OEM customization services for major global thermal material brands for an extended period. Our clientele includes major players in industries such as new energy vehicles, computers, power supplies, LED lighting, 3C electronics, network communications, electro mechanical equipment, instrumentation, and consumer electronics.

Our factory is certified under ISO9001, ISO14001, and IATF16949 systems, and our products hold authoritative certifications from third-party testing institutions like UL and SGS, ensuring compliance with requirements such as REACH\ROHS. We are globally recognized as a leading provider of thermal management solutions.

We are committed to meeting customer needs by delivering high-quality products and providing fast and flexible services to maximize customer value. Through our dedication, we have established strong partnerships with major new energy vehicle manufacturers, telecommunications companies, leading smartphone brands, and professional equipment manufacturers worldwide, enabling us to serve customers globally.

FAQ

Q: What is the MOQ?
A: Standard MOQ is 200 pcs, but we support trial orders for new partners. 
 
Q: Can I request custom services?
A: Yes! We offer various customized services. 
 
Q: What's the lead time?
A:  7–10 days.  
 
Q: Can I buy samples placing orders?
A: Yes.Please feel free to contact us.
 
Q: Do you support OEM branding?
A: Yes – private labeling and OEM services available.