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SANDAO board rtv silicone rubber wholesale for screws

SANDAO board rtv silicone rubber wholesale for screws

Model number
Colorless, translucent and semi-fluid
45g/pcs, 300ml/ pcs or as required by customer
Main characteristic
good adhesion to metal & most plastics,no fog, ROHS approved.
Main application
LED bulb lamp sealant etc.
Lead time
within a week after payment
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Product Details
SANDAO New Material pays great attention to details of silicone adhesive.SANDAO New Material insists on the use of high-quality materials and advanced technology to manufacture silicone adhesive. Besides, we strictly monitor and control the quality and cost in each production process. All this guarantees the product to have high quality and favorable price.
Company Advantages
1. rtv silicone rubber is pretty and colorful.
2. The product is not prone to rust. The presence of the stable film prevents corrosion by acting as a barrier that limits oxygen and water access to the underlying its surface.
3. Our products have got global popularity and excellent reputation.
4. The product plays an important role in the marketplace through a huge sales network.

our product


SANDAO board rtv silicone rubber wholesale for screws-1
LED bulb lamp adhesive sealant SD911
LED bulb lamp adhesive sealant SD911 (quick dry silicone sealant) is a kind of quick adhesive for LED lamp, automotive lampshade, solar photovoltaic module and TPT/TPE back film etc. With excellent insulation, good adhesion, moisture proof, anti-seismic, Corona resistance, anti-leakage. The adhesive has good adhesion to metal and most plastics, and has excellent resistance to cold and heat (- 50 ~ 250 ℃) after curing.


  • ◪   no fog, release alcohol substances when curing.

  • ◪   Using in polycarbonate (PC), copper and other materials, non-corrosive, non-irritating gas release; fully in accordance with the requirements of the European Union ROHS Directive.

  • ◪   It has good adhesion and aging resistance to many kinds of materials. The properties are stable at -50 ℃ and 250 ℃.



1.This silicone sealant is used for bonding and waterproof sealing of barrier pipe in optoelectronic industry.
2.used for bonding and sealing LED bulb lamp, automobile lamp, underwater lamp, washing lamp, hard lamp bar, engineering plastic, metal, glass and ceramics
3.used for bonding ,strengthening and moisture-proof sealing of electronic components on electronic circuit board.

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LED bulb bonding

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Heat lamp bonding

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Hard light bar bonding

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Underwater lamp bonding

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Glass bonding

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Car light bonding

product Performance


AppearanceColorless, translucent and semi-fluidColorless translucent paste
Density (g/cm3)1.0~1.11.0~1.1
Tack-free time(25℃,min)3~103~10
Tensile strength(MPa)≥2.0≥2.0
Shear strength(MPa)≥2.0≥2.0
Hardness (shore A)25~3025~30
Temperature range(℃)-50~250-50~250
Dielectric constant(@60Hz)3.03.0
Dielectric strength(kV/mm)≥20≥20
Volume resistivity(Ω.cm)2.0×10152.0×1015

Product details

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SD911 LED Bulb Bond Adhesive
SD911 (Quick-drying silicone sealant) series is a kind of LED lighting, quick-bonding LED bulb, energy-saving lamp and lamp shell bonding and sealing surface.
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Colorless translucent semi-flowing
Excellent insulation, good adhesion, moisture, shock, corona, and leakage resistance. It has excellent resistance to cold and heat exchange (-50~250°C) after curing.
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Environmental protection
Non-corrosive, non-irritating gas release; in line with EU ROHS directive requirements. Good adhesion to a variety of materials, good aging resistance.
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Shelf life is 12 months,packing specification: 45g /tube, 300ml /tube.

Use instructions


  • Clean the surface of objects which to be sticky or coated, remove rust, dust and oil.

  • First prick the rubber pipe with the cap tip, put the tip on, squeeze the glue into the cleaned surface, distribute it evenly, and fasten the adhesive surface together.

  • The coated parts are placed in air and solidified at room temperature for 24 hours.


  • After the operation is completed, the silicone sealant should tighten the cap immediately and seal and save. When reusing, if there is a little skin seal, remove it,this will not affect the normal use.

Packaging and preservation


Packing specification: 45g/pcs, 300ml/ pcs or as required by customer.

Storage: stored in a cool and dry place for 12 months.

Note: The above data are based on our extensive experiments and the results are reliable. However, due to the diversity of practical applications, the application conditions are not within our control, so users need to conduct tests before using to confirm whether this product is applicable or not. We do not warrant any problems arising from the use of our products under specified conditions and are not liable for any direct, indirect or accidental loss. If any problems in usage, you can contact our technical services department, we will do what we can to help you.

Company Features
1. As a trustworthy and reputable company, Huizhou SANDAO New Material Co., Ltd is always improving its R&D capacity and introducing high technology in the manufacturing of what is rtv silicone.
2. Huizhou SANDAO New Material Co., Ltd boasts its state-of-the-art production equipment and strong technical strength.
3. SANDAO New Material is committed to providing customers with one-stop shopping convenience. Ask! We have a clear and motivating operational principle. We operate our business according to a strong set of values and ideals, which guides our employees to work and interact with teammates and customers. Ask! Our core value is a strong teamwork spirit. We encourage not only internal teamwork, but also the cooperation across boundaries. By this way, we work better with our partners to meet their requirements which in return helps our company grow. Ask! Huizhou SANDAO New Material Co., Ltd will continue to carry out technological innovation and product creation. Ask!
Manufacturing of SANDAO rtv silicone rubber involves various processes. It begins from the extraction of raw materials, mixing and preheating, heating, cooling, and final treatment. This product causes no side effects or sequelae
The production of SANDAO rtv silicone rubber is fully automated. The necessary amounts of raw materials or water are exactly calculated by the computer. With the modular design, its maintenance is rather convenient
SANDAO rtv silicone rubber has passed the life cycle assessment (LCA) that is conducted by our in house team, regarding the chemical, physical, energy impacts of this product. The product is designed with overcurrent and overvoltage protection systems
SANDAO what is rtv silicone is manufactured by complying with the principle of "minimize the impacts on the environment". Its production process is in strict line with international standards of building materials. It is accompanied by large power supply to ensure stable energy output
Every SANDAO rtv silicone rubber is guaranteed by a series of processes including raw material extraction, accurate and rigorous prototyping and regular tests on physical and chemical properties. This product is not likely to cause skin redness and burning problems
The product is internationally recognized for its excellent performance and long service life. It offers a kind of non-surgical, painless and bloodless physical therapy
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