Runtai Caulk Sealant Weather Resistant Joint Adhesive Sealing for Stones

• Customization: Available
• Chemical Composition: Silicone Sealant
• Usage: Construction, Industrial Manufacturing
• Model NO.: RT-5200
• Type: Neutral Silicone Sealant
• Feature: High Strength
• Appearance: Smooth
• Shelf Life: 12 Months
• Packing: Carton
• Material: 100% Silicone Raw Material
• Trademark: RUNTAI
• Origin: China
• HS Code: 3506100010
• Production Capacity: 80000

Product Description

RT-5200 is a one-part, neutral-curing silicone sealant meticulously formulated to protect and preserve natural stone surfaces. Its advanced non-staining formula makes it the preferred choice for marble, granite, limestone, and other sensitive materials in both interior and exterior environments.

Key Advantages
- Stain-Free Confidence - No migration, no discoloration, no compromise
- Weatherproof Excellence - Unmatched resistance to UV, rain, and thermal stress
- Elastic & Enduring - Withstands joint movement without cracking or peeling
- No Primer Needed - Strong adhesion to stone, metal, and most construction surfaces
- Architect-Approved Finish - Smooth tooling and professional appearance

Application Areas
• Stone façades and cladding systems
• Decorative trims and custom stone features
• Perimeter joints in stone window and door installations
• Marble countertops and feature walls
• Stone restoration and conservation 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	1.4
3	Droop, mm	Vertical	≤3	0
4	Tack Free Time, h		≤3	0.3
5	Extrusion Property, ml/min		≥150	402
6	Elastic Recovery, %		≥80	91
7	Tensile Modulus MPa	23ºC	>0.4 or >0.6	1.0

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