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Highly Thermal-Conductive Room-Temperature-Cured Silicone Sealant C-719

Highly Thermal-Conductive Room-Temperature-Cured Silicone Sealant C-719

Our high-performance silicone adhesives including two part silicone adhesive and momentive silicone rubber adhesive sealant are ideal for circuit board silicone sealant and general sealing applications providing superior bonding and protection
  • Overview
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Product Characteristics:

C-719 is a kind of highly thermal conductive ad room-temperature-cured silicone sealant. Its a dealcoholized silicone sealant non-corrosive to the electronic parts. Thanks to its high thermal conductivity, the product may disperse the heat generated by the electronic parts effectively, giving the parts a longer service life. It has excellent flame retartancy and its certified for its compliance with UL94V0 standard. Meanwhile, it has excellent electrical insulation property, and the applied surface will be dried real fast. Its fully in compliance with RoHS environmental requirements.  

 

Product Parameters:

 

Before curing

 

Curing system

De-alcoholized

Visual appearance

Slightly flowing paste

Color

White

Specific gravity, g/cm3

2.60

Curing

The curing process starts once the product is exposed to the vapour content in the air

Surface drying time, in minutes

<5

Film curing (finger sensible), in minutes

<5

Curing speed (at 23and relative humidity of 50%)

Within 48 hours, in mm

>5

Application temperature ()

5~40

Cured

Specific gravity, g/cm3

2.61

Hardness (Shore A)

88

Applicable range of temperature ()

-5~200

Mechanical property after 3 days of curing (at 23& RH50%)

Tensile strength, MPa

4.4

Breaking elongation rate, %

12

Permittivity kV/mm

19

Volumetric resistivity (Ω.cm)

1016

Flame retardant grade

UL94V0

Thermal conductivity (W/mK)

1.5

Applicable Fields:

C-719 is widely applied in various fields, including electronic assembly and industrial material fixation etc., especially for adhesive bonding of electronic parts generating heat while in working mode.  

- For assembly/erection and fixation of the power supply module;

- Adhesive bonding of the electronic parts that may generate heat and heat radiators;

- For assembly of the LED lighting fixture;

- For assembly of the auto parts;

 

Notes for application:

Surface Treatment:

Make sure the surface of base material is clean, dry and free from dust, oily stains or other substances that may adversely impact proper bonding of the Product.

Primer Coat:

For the majority of the base materials, no primer is needed.

 

Package:

In general, its packaged either in tube (each in capacity of 330ml) or as designated by the User.

 

Storage and Shelf Life:

C-719 has a valid shelf life of 6 months when its unpacked and stored at temperature below 28. For any of the Product thats been stored for a period beyond the limit aforesaid, Cosil does not warrant its compliance with sales terms and specification any longer. Try to fully consume any unpacked product as earlier as possible.
  

Safety Precautions:

Please refer to MSDS of the C-719 for details.

 

Limited Liabilities Disclaimer:

This Technical Datasheet of the Product truly represents results of various tests performed by Cosil by applying all of the existing testing approaches, however, it may not substitute any necessary test to be performed by the User before put the Product on trial as each scenario of application is specific to and thereby unique for each User. ONLY results of the tests performed by the User may be used by it to justify whether the Product is suitable for any of its applications. Cosil only warrants that the Product is proven to be in compliance with Cosils specification for ex-factory quality inspection, and Cosil does not make other warrants of any form, nor does it accept any claim clauses. In case of any issue arising from or concerning quality of the Product, Cosil shall be entitled to perform relevant tests once again on quality of the Product. If the quality of the Product is confirmed to be the cause of issue, Cosils liabilities will be only restricted or limited to replacing the Product in question or returning the amount of payment from sales of such Product, and Cosil will bear no liabilities for any indirect or consequential damage thereof. The User shall be responsible for complying with local safety rules and laws, and acquiring all licenses and permits as necessary. Cosil will bear no responsibilities or liabilities for any safety incidents occurred and/or losses incurred thereof in process of application of the Product. Its duty of the User to check and make sure it has the latest version of the Technical Datasheet in hand, and Cosil may provide additional data/information(if any) upon the Users request. Content of recommendation and/or suggestive remarks concerning application of the Product in this Technical Datasheet shall in no case be deemed or alleged as the cause for infringement of any patent rights.        

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