Automotive Thermal Pad Heat Conductive Gap Filling Material for Heat Sink

Product Description

Guangdong Dongsen Zhichuang Technology Co., Ltd. 

We were founded in 2009 with a total registered capital of 11 million Chinese Yuan and more than 200 employees. We have two independent manufactuers located in Huizhou and Dongguan separately . we also have oversea offices in HK and Japan to provide high-quality services to all our valued customers.
Our company has passed ISO 9001, ISO1400, IATF16949, OHSAS18001 and other related management system certifications, and our products have got UL\CE\ROHS\REACH and other certifications.
As a professional manufacturer in the field of thermal interface materials and EMI electromagnetic interference materials, Dongsen mainly provides silicone thermal conductive pads, thermal grease, thermal graphite sheet , thermal conductive tape rolls ,metal foil tapes (copper foil tape, aluminum foil tape), high temperature polyimide tapes, also we provide die cutting customize service as per customers' drawings.  We are one of the biggest and most comprehensive solution suppliers of thermal conductivity materials, insulating materials and shielding materials in China.
Dongsen focuses on meeting customer needs and strives to maximize the profits of customers. We gain trust of various well-known customers, and has long-term cooperation with Samsung, ZTE, Changhong, Panasonic, Foxconn, Midea, etc., and has been well received

Product Description

About Thermal Silicone Pad 

A thermal conductive silicone pad, also known as a heat dissipating silicone pad or thermal interface material (TIM), is a soft, flexible, and electrically insulating component designed to improve heat transfer between heat-generating components (e.g., CPUs, power modules, LEDs) and heat sinks or cooling surfaces. Made from silicone rubber filled with thermal conductive fillers (such as aluminum oxide, boron nitride, or zinc oxide), it effectively bridges air gaps that would otherwise hinder heat dissipation, thus enhancing the reliability and lifespan of electronic devices.

Product Photo

Key Properties and Features

Thermal Conductivity:  Ranges from 1.0 to 15.0 W/m·K, depending on the filler type and density. Higher values indicate better heat transfer efficiency.

Electrical Insulation: Low electrical conductivity prevents short circuits, making it safe for use in electronic systems.

Flexibility and Compressibility: Soft texture allows it to conform to irregular surfaces, eliminating air gaps and reducing contact resistance.

Temperature Resistance: Operates stably in wide temperature ranges (typically -50°C to +200°C), resisting degradation from high heat.

Durability: Resistant to aging, chemicals, and moisture, ensuring long-term performance without drying out or cracking.

Easy Application: Can be die-cut into various shapes and thicknesses (0.2 mm to 5 mm) for custom-fit installations.

Specification

Specification of TSP015 to TSP040

Data Information	Unit	TSP015	TSP020	TSP025	TSP030	TSP0305	TSP040
Thickness	mm	0.15~10	0.15~10	0.15~10	0.3~10	0.3~10	0.5~5
Density	g/cc	2.1	2.3	2.7	2.9	3	3.1
Thermal Conductivity	W/m.k	1.5	2	2.5	3	3.5	4
Standard Hardness	Shore 00	40/60	40/60	40/60	40/60	40/60	40/60
Customized Hardness	Shore 00	10~90	10~90	10~90	20~90	20~90	30~90
Elongation Rate		50%	50%	40%	40%	30%	30%
Tensile Strength	psi	40	40	30	30	30	30
Flame Rating	UL 94	V-0	V-0	V-0	V-0	V-0	V-0
Working Temp.	℃	-50~200	-50~200	-50~200	-50~200	-50~200	-50~200
Dielectric strength	kV/mm	>8	>8	>8	>8	>8	>8
Thermal Resistance	℃*in^2/W @30psi,1mm	0.9	0.7	0.5	0.45	0.45	0.4

Specification of TSP015 to TSP040

Data Information	Unit	TSP050	TSP060	TSP070	TSP080	TSP0010	TSP0012
Thickness	mm	0.5~10	0.5~5	0.5~5	0.5~5	0.5~5	0.8~5
Density	g/cc	3.2	3.3	3.4	3.4	3.4	3.4
Thermal Conductivity	W/m.k	5	6	7	8	10	12
Standard Hardness	Shore 00	40/60	40/60	40/60	40/60	40/60	40/60
Customized Hardness	Shore 00	30~90	30~90	30~90	30~90	30~80	30~80
Elongation Rate		30%	30%	20%	15%	15%	15%
Tensile Strength	psi	30	30	20	20	10	10
Flame Rating	UL 94	V-0	V-0	V-0	V-0	V-0	V-0
Working Temp.	℃	-50~200	-50~200	-50~150	-50~150	-50~125	-50~125
Dielectric strength	kV/mm	>8	>8	>6	>6	>6	>6
Thermal Resistance	℃*in^2/W @30psi,1mm	0.31	0.25	0.18	0.15	0.12	0.1

Widely Application 

Consumer Electronics:   Laptops, smartphones, tablets, and gaming consoles to cool processors and graphics cards.

Automotive Industry:   Electric vehicle batteries, power control units, and LED headlights.

Industrial Equipment:   Motors, inverters, and control panels in high-heat environments.

Aerospace and Defense: High-reliability systems requiring thermal management in extreme conditions.

LED Lighting: Dissipating heat from high-power LEDs to maintain brightness and longevity.

FAQ

1. who are we?
We are based in Guangdong, China, start from 2019,sell to Domestic Market(50.00%),Southeast Asia(30.00%),South America(20.00%). There are total about 101-200 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Thermal silicone conductive pad,thermal graphite sheet,silicone graphite paste,thermal tape,Anti Blue Light Computer Screen Protector

4. why should you buy from us not from other suppliers?
We already build up long term partnerships with many famous electronic companies, ZTE, Huawei, etc.We will continue to face challenges in future, creating a world-known brand and a top leading technical company in new material industry.

5. what services can we provide?
Accepted Delivery Terms: FOB,EXW,DAF;
Accepted Payment Currency:USD,JPY,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Cash;
Language Spoken:English,Chinese,Japanese