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SANDAO solar rtv silicone rubber factory for screws

SANDAO solar rtv silicone rubber factory for screws

Model number
White/black/ transparent
Main characteristic
meet MIL-A-461468 Corrosive Test Standard
Main application
Printed Circuit board coating etc.
Lead time
within a week after payment
Get Latest Price
Get the latest price
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Product Details
To better learn about silicone adhesive, SANDAO New Material will provide detailed pictures and detailed information in the following section for your reference.Closely following the market trend, SANDAO New Material uses advanced production equipment and manufacturing technology to produce silicone adhesive. The product receives favors from the majority of customers for the high quality and favorable price.
Company Advantages
1. The production processes of SANDAO rtv silicone are of professionalism. These processes include materials selection process, cutting process, sanding process, and assembling process.
2. Every detail of this product has been carefully examined and checked to ensure the high quality.
3. With so many economic benefits, the product enjoys a bright prospect on the market.
4. All the features make this product highly demanded on the market.

our product


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Printed circuit board coating SD399
Printed circuit board coating SD399 is a fluid, one-component, fast-curing, non-corrosive silicone rubber adhesive sealant that cures into a silicone elastomer in air. This product complies with: MIL-A-461468 Corrosive Test Standard. Excellent electrical insulation performance against ozone and chemical attack.



The silicone adhesive is suitable for waterproofing of electronic coatings, LCD modules for potting, solar energy, automobiles, home appliances, electrical appliances, circuit boards, etc.

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Ceramic bonding

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LCD module

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Metal bonding

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Plastic bonding

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Electronic product bonding

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Glass bonding

product Performance


ColorColorless transparent semi-fluidBlack semi-fluidWhite semi-fluid
Tack-free time(25℃,min)≤40≤40≤40
Tensile strength(MPa)≥1.5≥1.5≥1.5
Shear strength(MPa)≥1.0≥1.0≥1.0
Hardness(shore A)20~3020~3020~30
Temperature (℃)-50~200-50~200-50~200
Dielectric intesity(kV/mm)≥20≥20≥20
Volume Resistance(Ω.cm)2.0×10152.0×10152.0×1015

Product details

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SD399 circuit board coated with silicone
SD399 circuit board coating is a fluid, one-component, fast curing, non-corrosive silicone rubber adhesive sealant.
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Green environmental protection
Rapid vulcanization, very low odor, release of alcohol vapor during vulcanization
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Colorless transparent rogue
Excellent heat resistance and cold resistance, -50 to 200 ° C, excellent weather resistance, ozone resistance and chemical resistance, excellent electrical insulation properties
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Long storage period
Store in a cool, dry place with a shelf life of six months. Packing specification: 330ML / PCS or according to customer requirements.

Use instructions


  • First, surface of the substrate is cleaned to remove rust, dust and oil.

  • Second the silicone adhesive sealant has a surface cure time of about 20 minutes and is fully cured after 24 hours.


  • 1.   Keep thermal paste out of reach of children.

  • 2.   Manufacturer shall not be liable to the buyer or any third party for injury, loss or damage directly or indirectly resulting from the use of, or inability to use, the product. Recommendations or statements other than those contained in a written agreement signed by an officer of the manufacturer shall not be binding by the manufacturer. This product has not been tested for, and is therefore not recommended for, uses for which prolonged contact with mucous membranes, abraded skin, or blood is intended; or for uses which implantation within the human body is intended.

Company Features
1. With high quality and reasonable price, SANDAO is widely known to every household.
2. Huizhou SANDAO New Material Co., Ltd has always set high demand on quality from material selection to package.
3. Customer orientation has always been the focus of SANDAO brand development. Welcome to visit our factory! We aim to capture the leading position in rtv silicone rubber industry by developing products with latest technology. Welcome to visit our factory!
rtv silicone rubber, with its key component being rtv silicone, has a good performance on rtv silicone. The product is easy to clean with no blind corners
A well designed rtv silicone is capable to rtv silicone rubber. The product is widely used for commercial applications
All rtv silicone material used in rtv silicone rubber meets the relative standards. The product features a high degree of automation
rtv silicone material based rtv silicone rubber has many advantages. The product has the advantage of low failure rate
rtv silicone is designed so that our rtv silicone is of higher quality. It has a robust design, supported by an aluminum plate
This product is not subject to loss of power due to frictional resistance. In the design phase, careful attention has been given to the matter of lubrication of all surfaces which moves in contact with others. The product is hygiene with no bacteria or mold built up
Product Message
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