RT-6500 is a one-part, neutral-curing silicone sealant designed for professional glazing and exterior sealing applications. It cures at room temperature by reacting with atmospheric moisture to form a durable, flexible seal. With strong adhesion to a wide range of materials and excellent resistance to UV, weather, and temperature changes, it's an ideal solution for long-term performance.
Key Features
1.One-component, easy-to-use formula - no mixing needed
2.Neutral cure: non-corrosive, low odor, safe on sensitive surfaces
3.Outstanding weather and UV resistance
4.Stays flexible in both high and low temperatures
5.Excellent adhesion to glass, aluminum, marble, metal, and more
6.Compatible with other RT silicone products
Main Applications
1.Sealing windows, doors, and curtain wall systems
2.Glass assembly in commercial or residential projects
3.Joint filling for aluminum, stone, or metal cladding
4.Weatherproof sealing in outdoor or high-exposure areas
5.Suitable for both interior and exterior use
|
ITEM |
SPECIFICATION |
TEST RESULT |
1 |
Appearance |
Smooth, cream or
heavy body, no bubble, no skinning, no gel. |
Smooth, cream or
heavy body, no bubble, no skinning, no gel. |
2 |
Density g/cm3 |
±0.1 |
1.45 |
3 |
Droop, mm |
Vertical |
≤3 |
0 |
4 |
Tack Free Time, h |
≤3 |
0.5 |
5 |
Extrusion Property, ml/min |
≥150 |
461 |
6 |
Elastic Recovery, % |
≥80 |
90 |
7 |
Tensile Modulus MPa
|
23ºC |
>0.4 or >0.6 |
0.8 |
-20ºC |
/ |
8 |
Adhesion at Definite Elongation |
No Damage |
No Damage |
9 |
Water Tensile Viscosity |
No Damage |
No Damage |
10 |
Cold & Heat Temp Tensile Viscosity |
No Damage |
No Damage |
11 |
Water-UV Tensile Viscosity |
No Damage |
No Damage |
12 |
Weight Loss, % |
≤8 |
3 |
13 |
Alkane Plasticizer |
No |
No |
Substrates: Glass, Anodizing Aluminum Board |






FAQ
1.What is your delivery time?
Our delivery time is 20 to 25 days for OEM order
2.Can you provide OEM service?
Of course we can do OEM services for customers brand
3.Can you make a new design for our brand?
Yes, our designers will make new designs as your requirements
4.Can I get some sample before order?
Yes free samples could be sent on your request