Tousen Natural Graphite Sheet Roll Graphite Paper for Electronic

Product Description

Company Profile

   Guangdong Dongsen Zhichuang Technology Co., Ltd. was established 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 Jiangxi 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, Huawei, ZTE, Changhong, Panasonic, Foxconn, Midea, etc., and has been well received!

Product Parameters

Test Content	Natural graphite sheet			Unit	Test Method
Model number	TS-300	TS-500	TS-1000	/	/
Color	black	black	black	/	Visual
Material	Graphite	Graphite	Graphite	/	Visual
Thickness	0.03	0.05	0.1	mm	ASTM D374
Specific Gravity	1.5	0.9~2.0	1.5~1.8	g/cc	ASTM D792
Continuous Use Temp.	-40~500	-40~500	-40~500	C	EN344
Tensile Strength	715ps	715ps	715ps	4900Kpa	ASTM F-152
Volume Resistance	3.0*10^13	3.0*10^13	3.0*10^13	ohm/cm	ASTM D257
Hardness	80	80	>80	Shore C	ASTM D2240
Flame Rating	V-O	V-O	V-O	/	UL-94
Thermal conductivity (Vertical direction)	20	15	5	W/m.k	ASTM D5470
Thermal conductivity (Horizontal direction)	300-900	300-900	300-900	W/m.k	ASTM D5470
Test Content		Artificial graphite sheet
Model number		TS-17	TS-25	TS-40	TS-70
Thickness (mm)		0.017	0.025	0.04	0.07
Thermal conductivity(W/mk)	X,Y direction	1700-1800	1500-1600	700-900	600-800
	Z direction	15	15	15	15
Thermal diffusivity(cm^2/s)		9.39-9.94	8.4-8.96	7.62-9.8	8.3-11.07
Density(g/cc)		2.13	2.1	1.08	0.85
Specific Heat(50C)(j/gk)		0.85	0.85	0.85	0.85
Continuous Temp. Resistance(C)		400	400	400	400
Extensional Strength(MPa)	X,Y direction	39	28	20	19.2
	Z direction	0.1	0.4	0.4	0.65
Bending Test(times)(R5/180C)		>10000	>10000	>10000	>10000
Electric conductivity(S/m)		2.0*10^6	2.0*10^6	0.96*10^6	0.96*10^6

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