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JY820 Fast Sticky Silicone Sealant

JY820 fast sticky silicone sealant is a single component, which has good adhesion to a range of non-porous surfaces including glass, aluminium, painted surfaces and composite boards. It offers excellent resistance to ageing, shrinkage, cracking and discoloring,Its quick-grabbing characteristic significantly reduces temporary fixation requirements during installation processes, providing distinct efficiency advantages in time-sensitive construction project applications
 
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Product Advantage


Product Advantage


Rapid Initial Grab & Efficiency

The standout feature of the JY820 Fast Sticky Silicone Sealant is its quick-grab capability—achieving sufficient tack within 2-3 minutes to support most substrates without additional temporary fixation. This significantly speeds up installation processes, a critical advantage for tight project deadlines.


Non-Slump & Easy Application

With high viscosity and non-slump properties, this sealant performs exceptionally well in vertical and overhead applications. It resists sagging and dripping, ensuring clean, even beads on walls, ceilings, and vertical surfaces.


Durable & Weather-Resistant

Engineered for longevity, the JY820 Fast Sticky Silicone Sealant resists aging, shrinkage, cracking, and discoloration. It offers superior water resistance and weatherability, withstanding UV rays, temperature fluctuations, and moisture for long-term performance.


Economical & Versatile

As a cost-effective single-component solution, it eliminates the need for mixing or additional additives. It bonds effectively to glass, aluminum, painted surfaces, composite boards, and ceramics, making it suitable for both indoor and outdoor projects.


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JY820-Fast-Sticky-Silicone-Sealant07


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Technical Parameters


For projects that demand speed without sacrificing quality, the JY820 Fast Sticky Silicone Sealant is the ideal choice. This single-component acid-cure sealant features a fast-grab formula that reduces temporary fixation needs, making it perfect for time-sensitive construction and repair work. Certified by CNAS, IAF, SGS, and CE, it meets international quality standards and delivers reliable adhesion on a wide range of surfaces. Read on to discover its key benefits, technical details, and usage instructions.


Technical Parameters


Key Performance Specifications

Appearance: Uniform, smooth paste with no bubbles, caking, or undispersed particles, complying with GB/T 14683-2003 standards.

Extrusion Rate: 450 ml/min, well above the 80 ml/min minimum requirement for efficient, continuous application.

Surface Dry Time: 0.1 hours (6 minutes), enabling fast project progression and reducing waiting time.

Hardness: 25 Shore A, striking the perfect balance between flexibility and structural support.

Elongation at Break: 256%, ensuring the sealant can accommodate substrate movement without tearing.

Tensile Strength: 0.59 Mpa, exceeding the 0.4 Mpa standard for strong, reliable bonding.

Sag Resistance: Zero sag in vertical placement and no deformation in horizontal use, ideal for precision applications.


Physical & Packaging Details

Net Content: 300 ml per cartridge, with a cartridge diameter of 48 mm and height of 227 mm.

Color Options: Transparent, black, white, and colorful variants to suit diverse project needs.

Packaging: 24 cartridges per carton, with a shelf life of 9 months when stored properly.


Test Items

Technical Indicators

GB/T 14683-2003

Results

Remarks

Appearance

Appearance:Fine uniform paste,no bubbles,no caking.No gel,no crust,no undispersed precipitates

Appearance:Fine uniform paste,no bubbles,no caking.No gel,no crust,no undispersed precipitates

Qualified

Extrusion(ml/min)s

≧80

450/min

Qualified

Surface Dry Time/h

≦3

0.1

Qualified

Hardness

20-60

25

Qualified

Elongation At Break

/

256%

Qualified

Sag

Vertical Placement/mm

≦3

0

Qualified


Horizontal Placement

Not deformed

Not deformed

Qualified

23℃ Tensile Modulus

Tensile Strength/Mpa

﹥0.4

0.59

Qualified


Destruction Area%

≦5

0

Qualified

Stretching Adhesion

Bonding Destruction Area%%

No damage

No damage

Qualified


Product Uses


Product Uses


Window & Door Sealing Solutions

Filling and sealing gaps around window and door glass for airtight and waterproof protection.

Bonding glass to window frames (aluminum, wood, composite) for secure, long-lasting installations.


Glass & Ceramic Applications

Glass-to-glass adhesion and sealing in skylights, glass partitions, and decorative glass projects.

Bonding and sealing ceramic materials, including bathroom tiles, kitchen backsplashes, and ceramic fixtures.


Repair & Maintenance Uses

Sealing and repairing cracked glass surfaces in both indoor and outdoor settings.

Securing loose glass or ceramic components in furniture, appliances, and architectural features.


Product Operate Guide


Product Operate Guide


Pre-Application Setup

Verify compatibility between the JY820 Fast Sticky Silicone Sealant and the substrate (glass, metal, ceramic, etc.) prior to use.

Ensure the working environment meets the requirements: temperature 4°C-40°C and relative humidity 40%-80%.

Clean the substrate surface thoroughly to remove dust, grease, and debris. Use a solvent like mineral spirits for tough contaminants, then allow the surface to dry completely.

Apply protective tape along the edges of the application area to protect surrounding surfaces and ensure clean lines.


Application Steps

Cut the sealant nozzle at a 45-degree angle. The nozzle diameter should be smaller than the gap thickness to allow the nozzle to reach 1/2 the depth of the area to be sealed.

Start extruding the sealant only when the substrate is fully dry. Maintain continuous, uniform extrusion to form a smooth cylinder of sealant.

Move the application gun slowly and steadily to fill the gap completely. Avoid quick movements, as this can create bubbles or holes in the sealant.

Immediately smooth the sealant surface with a tool or gloved finger after application.

Remove the protective tape before the sealant dries to achieve a professional finish.


1.Surface-Cleaning

1.Surface Cleaning

2.Afixed-Tape

2.Affixed Tape

3.Sealant-Mouth-Cutting

3.Sealant Mouth Cutting

4.lnjection

4.Injection

5.Surface-Fixing

5.Surface Fixing

6.Tape-Remove

6.Tape Remove

7.Finish

7.Finish


FAQ

FAQ
  • How quickly does the sealant achieve initial grab strength?
    Created with Sketch.
    形状 Created with Sketch.
    The formulation develops sufficient tack within 2-3 minutes to support most substrates without additional fixation.
  • What makes this product suitable for vertical applications?
    Created with Sketch.
    形状 Created with Sketch.
    Its non-slump viscosity allows overhead and vertical installation without sagging or dripping.
  • Does the rapid-grab feature affect final cure time?
    Created with Sketch.
    形状 Created with Sketch.
    While achieving quick initial adhesion, full through-cure still requires standard 24-hour period at room temperature.
  • What is the recommended bead size for optimal performance?
    Created with Sketch.
    形状 Created with Sketch.
    Apply 6-8mm diameter beads for best results, ensuring proper contact with both substrate surfaces.
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Guangzhou JAYO Technology Co., Ltd. is the import and export arm of Dayou Building Materials Co., Ltd. Since its founding, we have continuously enhanced our customer...

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