Runtai Manufacturer Professional Weatherproof Silicone Sealant for Exterior Expansion Joints

• Customization: Available
• Chemical Composition: Silicone Sealant
• Curing Time: Standard Curing: 24-48 Hours
• Model NO.: RT-6500
• Usage: Construction, Industrial Manufacturing
• Product Name: Weatherproof Silicone Sealant
• Application: Sealing Construction
• Material: 100% Silicone Raw Material
• Color: Customized Color
• Appearance: Smooth
• Shelf Life: 12 Months
• Trademark: RUNTAI
• Origin: China
• HS Code: 3506100010
• Production Capacity: 80000

Product Description

RT-6500 is a high-quality, one-component neutral silicone sealant designed for construction and glazing applications. It cures at room temperature by reacting with moisture in the air, forming a strong, flexible, and weather-resistant seal. Ideal for both interior and exterior sealing, RT-6500 offers reliable performance in a variety of environments.

Product Features

Single-component - Ready to use, no mixing required
Neutral cure - Safe for metal, stone, and sensitive materials
Strong adhesion - Excellent bonding to glass, aluminum, stone, concrete, and more
Weather-resistant - Withstands UV exposure, rain, heat, and cold
Flexible and durable - Maintains seal integrity even with movement or temperature changes

Applications

Sealing joints in windows and doors
Glazing and façade sealing for buildings
Bonding and sealing in metal, stone, and concrete installations
Weatherproofing for both interior and exterior applications
General sealing for construction and renovation projects

	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