Best Adhesives & Sealants | Supex

Supex 4005 Silicone Glue

4/5

Need for Electronics Silicone Glue

  • Are your electronic components failing due to weak bonds, heat buildup, or moisture exposure? Do traditional silicone adhesive leave gaps, causing instability or poor performance?
  • Every weak bond risks compromising the performance of your electronics. Heat, shock, or moisture can damage components, leading to costly failures or repairs.”
  • Supex Silicone glue provides a durable, reliable, and protective solution. With high thermal conductivity, electrical insulation, and environmental resistance, it ensures your components perform flawlessly under any conditions.

Why Bonding Matters for Electronics

Challenge:
Electronic components face significant challenges during operation, such as heat, vibrations, moisture, and mechanical stress. Traditional methods like mechanical fasteners, gp silicone adhesive often fail to provide adequate protection and bonding strength.

Solution:
Supex Silicone Adhesive for bonding electronic components provide precision, durability, and protection in one application. Supex Silicone glue bond components securely, protect them from environmental factors, and ensure long-lasting performance.

Electronics Silicone Glue 

Supex 4005 Electronics Silicone glue is a single component Alkoxy type RTV. It reacts with moisture in the air and forms a flexible silicone rubber elastomer after curing . As bonding, sealing, insulation and moisture-proof materials, this silicone adhesive is widely used in bonding  and sealing of electronic components, semiconductor materials, electronic appliances, waterproof and sealing of electric heaters, electronic instruments and potting of electronic components etc.

  • Dealcoholized, no corrosion to metal materials;
  • Fast skin time;
  • High and low temperature resistance, working temperature -50~260°C;
  • Excellent dielectric properties;
  • Excellent weather  

Technical Specifications

SN

Parameters

Values

Remarks

1

Silicone glue type

Alkoxy cure neutral, mositure cure

Non corrosive, high strength, electronic uses

2

Appearance

Paste

Thixotrpoic, easy to use

3

Skin formation time @ 25 C, 50% RH ( Min)

5- 15

fast curing

4

Hardness, Shore A

35-50

suitable for strenous use

5

Specific gravity

1.4

6

Elongation at break %

> 200%

7

Tensile Strength, MPa

≥ 1.5

high strength bonding

8

Dielectric constant , 100 KHz

≥ 3.5

suitable for electrical insulation

9

Dielectric strength( KV/ mm)

≥ 15

suitable for electical insulation

10

volume resistivity(Ω.mm)

≥1.0x1014

Packing, Storage, shelf life

  1. Silicone glue Colours: white, black, grey
  2. Packaging: 300 ml, 2300mL/ piece; 2600mL/ piece; 210kg/ barrel
  3. Stored in the original unopened packaging in a cool, dry environment at +5C to +25°C, the shelf life is 6 months.

Uses of Electronics Silicone Glue, Supex 4005

  • S4005 elctronics silicone glue is widely used in bonding and sealing of electronic components, semiconductor materials, electronic  
  • Waterproofing and sealing of electric heaters, electronic instruments and potting of electronic components etc.
  • Industrial application as a sealant in the automotive, aircraft and ship building industries
  • Gasketing and component fixing in various electronic modules
  • Dome bonding in LED bulbs

Wy Choose Supex Electronics Silicone glue

Call/ Whatsapp: +91 9699892782, Email: sales@supex.in
How to use Supex 4005 Silicone Glue 
  • Clean the surface: clean the surface of the substrate, remove rust, dust and
  • Gluing: Squeeze the S-4005 silicone glue onto the cleaned substrate
  • Curing: Cure from the surface to the inside. After curing for 24 hours at 25 ℃ and 55% relative humidity, the curing depth of the glue is 2~4mm, and the curing depth gradually increases with the extension of time.

Note:

  • Curing requires humid air, which may take a long time in the case of large bonding
  • After the operation is done, tighten the cap immediately and store the unused glue. When used again, if there is a little crust at the nozzle, it can be removed without affecting normal
  • Avoid contact with eyes, skin and clothing. Rinse with soapy water immediately after skin If it spills into your eyes, rinse immediately with plenty of water. If you still feel unwell, go to the hospital for examination.
  • If the dispenser is used for operation, it is recommended to soak the dispenser needle in a container containing silicone oil when the operation is over or interrupted to prevent curing and clog the needle, and remove a small amount of glue in the needle when working. 

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