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SANDAO newly rtv silicone rubber wholesale for substrate

SANDAO newly rtv silicone rubber wholesale for substrate

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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Get the latest price
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Product Details
With a focus on quality, SANDAO New Material pays great attention to the details of silicone adhesive.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. After the production of SANDAO rtv silicone rubber , it is required to go through the water test, inflatable test, air leakage test, etc, so as to guarantee its reliability.
2. Strict quality standards have been set during the inspection process to ensure high quality products.
3. The product, available at such a competitive price, is highly demanded by the market.

our product


SANDAO newly rtv silicone rubber wholesale for substrate-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 newly rtv silicone rubber wholesale for substrate-2

Ceramic bonding

SANDAO newly rtv silicone rubber wholesale for substrate-3

LCD module

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Metal bonding

SANDAO newly rtv silicone rubber wholesale for substrate-5

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 wholesale for substrate-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 wholesale for substrate-9
Green environmental protection
Rapid vulcanization, very low odor, release of alcohol vapor during vulcanization
SANDAO newly rtv silicone rubber wholesale for substrate-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
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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. In a good market environment, Huizhou SANDAO New Material Co., Ltd has grown quickly in the field of rtv silicone rubber .
2. By introducing high-end technology, SANDAO has successfully produced excellent and quality One-component RTV silicone rubber TDS.
3. SANDAO has always provided one-stop service for domestic and foreign customers. Get info! Huizhou SANDAO New Material Co., Ltd upholds the impression that ability cultivation has consistently played a significant role in the evolution. Get info! SANDAO New Material makes great efforts to achieve the strategic goal: The Top brand in rtv silicone rubber industry in the world. Get info! The SANDAO brand devotes into the wonderful vision of becoming a competitive rtv silicone rubber manufacturer. Get info!
SANDAO rtv silicone meets mandatory electrical safety requirements. These standards include CB Test Certificate, CCA Notification, and LOVAG Certificate (Certification of low voltage appliances). It can cool down the substances at a very fast speed
SANDAO rtv silicone is often of customized design which links into the product’s or brand’s characteristics and will subsequently emphasize or even strengthen the ‘feeling’ of these features. The product has a highly precise control system
The key process to produce SANDAO One-component RTV silicone rubber TDS are hand grinding, washing, high-pressure grouting, and drying. All these procedures are done by skillful workers who have many years of experience in porcelain making. It can help resist the growth of microorganisms and biochemical reactions
The quality of SANDAO rtv silicone is guaranteed by a series of tests. It has gone through inspection on its seam force, tensile strength, fiber stiffness, fiber resilience, etc. All series of the products are independently developed
SANDAO rtv silicone is designed with a smart and compact structure which guarantees the mass flow, stable hydraulic pressure, and straight-flow immediate processing. It is of compact design, which occupies small space
This product is functional, which caters to the customers' needs. The product is fully automatic, which can provide much convenience for users
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