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SANDAO newly rtv silicone rubber  manufacturer for converter

SANDAO newly rtv silicone rubber  manufacturer for converter

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:
Enterprise Strength
  • SANDAO New Material has established a complete service system to provide professional pre-sales, sales, and after-sales services for customers.
Company Advantages
1. The surface treatment process of SANDAO what is rtv silicone are regarded as especially exclusive. This process is strictly carried out by adopting the highest package and printing standards.
2. This product is under the strict supervision of our quality experts.
3. Processed by high technology, rtv silicone rubber can operate better than other similar products.
4. This product can prevent gastrointestinal and digestive illnesses such as enterogastritis and diarrhea by providing clean and healthy water source.
5. The color of this product communicates, and it can either contribute to brightening and improve people's outfit or make them look fashionable.

our product


SANDAO newly rtv silicone rubber  manufacturer for converter-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.

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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

SANDAO newly rtv silicone rubber  manufacturer for converter-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 newly rtv silicone rubber  manufacturer for converter-9
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. Huizhou SANDAO New Material Co., Ltd ranked first in China's rtv silicone rubber industry.
2. We have an excellent customer service team. They have deep customer insight. They understand how to help clients make the right choice, what clients actually need, and how to get closer to customers.
3. Huizhou SANDAO New Material Co., Ltd keeps to the idea that quality is above anything. Please contact. The culture positioning of SANDAO brand is to make each staff to serve customers with their professional skills. Please contact.
The involve of latest design of rtv silicone rubber adds further to the popularity of what is rtv silicone. The product features a high level of acid and alkali resistance
Gorgeous design of rtv silicone rubber shows Huizhou SANDAO New Material Co., Ltd's advanced technologies. The components of the product are characterized by enhanced sturdiness and wear resistance
Huizhou SANDAO New Material Co., Ltd always take rtv silicone rubber into consideration while selecting the material for rtv silicone rubber. It presents a high-end effect for the handbag with its stylish curve
To bring our customer great experience, Huizhou SANDAO New Material Co., Ltd invites world-class designers to make the best design. Its quality has been recognized by BOSS, COACH, Dunhill, Paul Smith and other renowned brands
The design of what is rtv silicone is frequently renovate with modern technology. It significantly enhances the overall look of the handbag with its color matching the leather
The product we offered has reliable performance and durability. It shows high tensile strength in the face of impact and collision
Product Message
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