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SANDAO retardant rtv silicone rubber widely-use for diode

SANDAO retardant rtv silicone rubber widely-use 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
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Company Advantages
1. SANDAO rtv silicone is engineered with the assistance of our professionals. It has a long-term anti-yellowing ability
2. The product aids in recovery after intense physical activity. It relaxes muscles and soothes aches/pains in both muscles and joints. Its quality directly benefits the service life of the products that use it
3. This product is characterized by its anti-friction. Its fabrics are soft enough to avoid the irritation of the skin caused by repetitive rubbing of skin to skin. In some cases, it can achieve flame retardant, weathering, and thermal conductivity properties
4. This product features psychological comfort. Its aesthetic parameters are determined according to the latest fashion trend, color harmony, fit, and acceptability in society.
5. This product is safe to use. Almost all potentially hazardous substances such as CPSIA, CA Prop 65, REACH SVHC, and DMF are tested and eliminated. It is a very strong impregnation product

our product


SANDAO retardant rtv silicone rubber widely-use 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 retardant rtv silicone rubber widely-use for diode-2

Ceramic bonding

SANDAO retardant rtv silicone rubber widely-use for diode-3

LCD module

SANDAO retardant rtv silicone rubber widely-use for diode-4

Metal bonding

SANDAO retardant rtv silicone rubber widely-use for diode-5

Plastic bonding

SANDAO retardant rtv silicone rubber widely-use for diode-6

Electronic product bonding

SANDAO retardant rtv silicone rubber widely-use 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 retardant rtv silicone rubber widely-use 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 retardant rtv silicone rubber widely-use for diode-9
Green environmental protection
Rapid vulcanization, very low odor, release of alcohol vapor during vulcanization
SANDAO retardant rtv silicone rubber widely-use 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 retardant rtv silicone rubber widely-use 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. With the leading advantage in technology, Huizhou SANDAO New Material Co., Ltd wins a large rtv silicone rubber 's market share.
2. Promoting rtv silicone to achieve the value of SANDAO is the goal of the company. Welcome to visit our factory!
The quality of SANDAO rtv silicone rubber is guaranteed. It is sent to the designated testing acceptance center for phone accessories to check its overall quality. It is sophisticatedly crafted, with delicate details
The design of SANDAO rtv silicone is professionally completed. Many design factors have been taken into considerations, such as acoustic quality, insulation, and fire protection. It is tough enough to resist bending
SANDAO rtv silicone is manufactured adopting many high techs. Energy-keeping technology, electromagnetic regulation technology, and good insulation technology. The manual polishing process has greatly improved its shine and reflection
SANDAO rtv silicone is produced in a scientific way. An automatic control system that conducts an in-stream analysis of the raw materials is adopted, and adjustments will be made to guarantee the purity of ingredients. Made of non-toxic materials, it will not cause skin allergies such as redness, swelling, and blisters
SANDAO rtv silicone rubber is designed with a smart and compact structure which guarantees the mass flow, stable hydraulic pressure, and straight-flow immediate processing. It has an extra layer of silver to help resist tarnishing and adds extra brightness
In its production, we place the highest value on reliability and quality. It sells well among ladies who love jewelry
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