Techsil® TIM11123 (GB)

About
Techsil TIM11123 (GB) Grey is a 200 micron, self-gapping, non-corrosive, 1-part, room temperature vulcanising (RTV) silicone rubber. It is one of a new family of products called acetone cure sealants. These products are cured rapidly in contact with atmospheric moisture to a tough rubber that exhibits an excellent thermal conductive property of ~2.3 W/m K. TIM11123 (GB) does not corrode copper or its alloys and exhibits excellent primerless adhesion to many substrates when fully cured. It has been designed to be flowable and contains glass beads to control bond line thickness. Key Features Non-corrosive Excellent adhesion Good spreading and tooling properties Low linear shrinkage Fast skinning Cure through 2 to 3mm in <24 hours Adhesion to most substrates improves with age until most are cohesive 200 micron self-gapping&&

About

Techsil TIM11123 (GB) Grey is a 200 micron, self-gapping, non-corrosive, 1-part, room temperature vulcanising (RTV) silicone rubber. It is one of a new family of products called acetone cure sealants. These products are cured rapidly in contact with atmospheric moisture to a tough rubber that exhibits an excellent thermal conductive property of ~2.3 W/m K. TIM11123 (GB) does not corrode copper or its alloys and exhibits excellent primerless adhesion to many substrates when fully cured. It has been designed to be flowable and contains glass beads to control bond line thickness. Key Features Non-corrosive Excellent adhesion Good spreading and tooling properties Low linear shrinkage Fast skinning Cure through 2 to 3mm in <24 hours Adhesion to most substrates improves with age until most are cohesive 200 micron self-gapping&&

Product Description
Generic	硅橡胶,RTV-1
Material Status	Commercial: Active
Features	Good flexibility,Low contractility,Non-corrosiveness,Good bond,Thermal conductivity,Room temperature cure,Fast Cure
Availabilitys	Europe

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	2.11	g/cm³	BS 903
Shrinkage rate
MD	0.50	%

THERMAL	Nominal value	Unit
Linear coefficient of thermal expansion
MD	1.6E-4	1/℃
Thermal conductivity coefficient	2.3	W/m/K
Operating temperature	-50 to 220	℃

Electrical performance	Nominal value	Unit	Test method
Volume resistivity	> 1.0E+14	ohms·cm	ASTM D257
Dielectric strength	> 20	kV/mm	ASTM D149
Dielectric constant
1 MHz	4.90		ASTM D150
Dissipation factor
1 MHz	9.0E-4		ASTM D150

Supplementary information	Nominal value	Unit	Test method
Volumetric Expansion	4.9E-4	cm/cm/℃

Uncured Properties	Nominal value	Unit
viscosity
Brookfield RVT	350	Pa·s
Curing time
23℃	< 8.0	hr
Tack Free Time（23℃，65% RH）	4.0	min

Cured Properties	Nominal value	Unit	Test method
Shore hardness
Shaw’s A	67		ASTM D2240
tensile strength	3.90	MPa	BS 903
Tensile strain
fracture	100	%	BS 903

Notes
1. Typical properties: these are not to be construed as specifications.
2. AFS 1540B
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