HY-2300 Outdoor Neutral Silicone Sealant
HY-2300 is a one-component, neutral, room-temperature curing silicone sealant designed for outdoor glazing and weatherproof sealing applications. With excellent adhesion and long-term durability, it is ideal for building joints exposed to wind, UV radiation, moisture, and temperature variations. The non-corrosive formulation ensures safe use on metal and cement-based materials while maintaining stable performance across a wide temperature range.
Color Options
Clear / Black / Grey / White / Customized colors available
Packaging
Cartridge: 280ml / 300ml
Aluminum Foil Sausage: 500ml / 600ml
Shelf Life
Cartridge: 9–12 months
Aluminum Foil: 12 months
|
Color |
Black |
Application Temperature |
Apply between 4℃ (40℉) and 40℃ (110℉) |
|
Appearance |
Lump-free paste |
Odor |
Alcohol |
|
Base |
Alcohol Silicone |
Tack-Free Time |
20 to 30 minutes |
|
Specific Gravity |
1.45 |
Cure Time |
2mm/hour |
|
Shelf Life |
cartridge 12 months, aluminum foil 12 months |
Tensile module MPa (23℃) |
0.9 |
|
Working Temperature |
-50℃ (-60℉) and 100℃ (220℉) |
Shelf Life |
|
|
Test |
Property |
Unit |
Result |
|
JC/T882 |
Tack-Free Time, 50%RH |
min |
15 |
|
|
Curing Time at 25℃ and 50%RH |
days |
3 - 4 |
|
|
Appearance |
Lump-free paste, no bubble |
|
|
JC/T882 |
Flow, Sag or Slump |
Inches (mm) |
0 |
|
|
Based |
Alcoxy Silicone |
|
|
As Cured- after 21days at 25℃and 50%RH |
|||
|
Staining (granite, marble, lime-store, brick and concrete) |
None |
||
|
JC/T882 |
Tensile strength, at 23℃ |
MPa |
0.8 |
|
JC/T882 |
Loss of mass |
% |
3 |
|
JC/T882 |
Elastic recovery |
% |
100 |
|
ASTM C920 |
Hardness |
shore A |
34 |
|
JC/T882 |
Elongation at break |
% |
443 |
|
JC/T882 |
Tensile properties at maintained extension
|
No failure |
|
|
JC/T882 |
Adhesive/cohesion properties at maintained extension after exposure to UV and to water |
No failure |
|
|
JC/T882 |
Adhesive/cohesion properties at variable temperature |
No failure |
|
|
ASTM C920-18 |
Joint Movement Capability |
% |
35 |
|
Shelf Life |
cartridge 12 months, aluminum foil 12 months |
||
Product Functions
Application scenarios
Advantages and Competitiveness
Your Needs, Our Formulation
Customization Options
KINGDELI offers flexible customization services to meet your branding and packaging needs. Customers can choose custom cartridge designs, box packaging, and colors to align with their specific requirements. Our team ensures high-quality, professional packaging solutions that enhance brand recognition and market appeal.
End-to-End Custom Options
◤ Custom cartridge printing and branding
◤ Personalized box design and printing
◤ Customized sealant color
Enhance your product identity with Kingdeli customizable packaging solutions. Contact us to discuss your requirements and request a sample.
Frequently Asked Questions
Find quick answers to the most common questions about our sealant products — from application tips to storage and performance details.
HY-2300
Will it corrode metal or cement surfaces?
No. HY-2300 is a neutral curing silicone sealant, ensuring no corrosion to metal and cement substrates.
What is the working temperature for application?
Application environment should be maintained between 4℃–40℃ for optimal performance.
Can it be applied to structural curtain walls?
It is recommended for small curtain wall projects (building height <15m, area <1000㎡). For large structural curtain walls, please contact us for more suitable structural silicone options.
What materials does HY-2300 bond well to?
It adheres to glass, aluminum, ACP, ceramic, brick, concrete, PVC, ABS, metal, and other common building materials without primer in most cases.
What is the product standard?
HY-2300 meets JC/T882-2018, grade 125HM performance test standard.
Get Tailored Solutions for Your Adhesives and Sealants Needs
Looking for custom sealant solutions or OEM/ODM support?
Tell us your needs—our team will get back to you with tailored solutions designed to enhance your performance and competitiveness.
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Innovating with Integrity, Bonding the World
Since 1998, KINGDELI has delivered trusted, sustainable sealant solutions that connect industries and inspire progress worldwide.
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