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SANDAO hot-sale rtv silicone rubber factory for diode

SANDAO hot-sale rtv silicone rubber factory for diode

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
Quantity Needed:
Company Advantages
1. Every SANDAO rtv silicone is subjected to rigorous inspections by our QC team including third-party tests and certifications to meet the health and safety standards in the sauna industry. It has a long-term anti-yellowing ability
2. The product has individual panels that can easily be retracted and hidden or stored away and put to use at will for maximum space utilization. Its quality directly benefits the service life of the products that use it
3. This product is effective in resisting humidity. It will be not easily affected by the moisture that could lead to the loosening and weakening of joints or even failure. It is moisture-proof and shock-resistant
4. This product stands out for its colorfastness. The residual dyes adhering to the fabric are totally removed to make it not prone to the effects of water. Strong weather resistance makes attribute to its long service life
5. This product is safe enough. The dyes of fabrics are treated to contain no harmful chemicals that would cause any skin irritants. Long application period makes it suitable for large-volume automatic production line operations

our product


SANDAO hot-sale rtv silicone rubber factory for diode-1
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.

SANDAO hot-sale rtv silicone rubber factory for diode-2

Ceramic bonding

SANDAO hot-sale rtv silicone rubber factory for diode-3

LCD module

SANDAO hot-sale rtv silicone rubber factory for diode-4

Metal bonding

SANDAO hot-sale rtv silicone rubber factory for diode-5

Plastic bonding

SANDAO hot-sale rtv silicone rubber factory for diode-6

Electronic product bonding

SANDAO hot-sale rtv silicone rubber factory for diode-7

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

SANDAO hot-sale rtv silicone rubber factory for diode-8
SD399 circuit board coated with silicone
SD399 circuit board coating is a fluid, one-component, fast curing, non-corrosive silicone rubber adhesive sealant.
SANDAO hot-sale rtv silicone rubber factory for diode-9
Green environmental protection
Rapid vulcanization, very low odor, release of alcohol vapor during vulcanization
SANDAO hot-sale rtv silicone rubber factory for diode-10
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
SANDAO hot-sale rtv silicone rubber factory for diode-11
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. The advantage of large scaled factory helps Huizhou SANDAO New Material Co., Ltd consolidate the status in the rtv silicone rubber market. Different mechanisms are provided for fabricating different One-component RTV silicone rubber TDS.
2. Our quality is our company name card in rtv silicone rubber industry, so we will do it best.
3. Our rtv silicone rubber is easily operated and need no additional tools. We adopt and implement sound environmental management systems and pollution control measures. We will avoid and reduce environmental pollution in our daily production practices.
The raw material made for rtv silicone rubber is exported abroad. It helps reduce fuel consumption, malfunction, and damage
The best rtv silicone material in accordance with One-component RTV silicone rubber TDS is selected. It has been sold to South America, North America, Europe, Africa, Southeast Asia, etc
rtv silicone rubber uses rtv silicone, thus the body's structure is optimized. It can be used for various purposes, including kitchen and garage activities
Huizhou SANDAO New Material Co., Ltd thinks that design is the soul of rtv silicone, so we highly value it. It is highly resistant to temperature and heat
The high performance of rtv silicone rubber is primarily due to its rtv silicone rubber design. It can be used on go-kart crutches, caps, ATV axles, and electric winches
This ruggedly handsome product is designed to resist the elements such as impact and rust, making it more time-tested. It is highly resistant to temperature and heat
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