Acetic Silicone Sealant for Glass Aluminum and General Construction

Product Description

Product Description

RT-668 is a general purpose (GP) acetic silicone sealant designed for glass bonding, aquarium assembly, and waterproof sealing applications.

It is a one-component, moisture-curing silicone that reacts with air humidity to form a strong, flexible, and long-lasting seal.

For buyers, RT-668 delivers what matters most:
Reliable waterproof performance
Safe use for aquarium applications (after full cure)

Easy application with fast curing speed

Why Buyers Choose RT-668

Aquarium Safe After Curing
Once fully cured, the sealant becomes non-toxic and inert, safe for fish, plants, and aquatic environments.

Strong Adhesion for Glass & More
Excellent bonding to:

·Glass
·Acrylic
·Ceramic
·Aluminum
·Common building materials
Ideal for both structural bonding and sealing.

100% Waterproof & Leak-Proof
Forms a durable waterproof barrier, suitable for:

·Fish tanks & aquariums
·Bathrooms & kitchens
·Windows & doors

Flexible & Crack-Resistant
High elasticity (>400% elongation) allows it to absorb movement without cracking or leaking.

Fast Curing for Higher Efficiency

·Skin formation: 15–30 minutes
·Full cure: approx. 24 hours
Helps reduce project downtime.

Excellent Weather & UV Resistance
Performs reliably under:

UV exposure
Rain & humidity
Temperature changes

Key Features

Type: Acetic silicone sealant
Appearance: Clear, transparent finish
Odor: Mild vinegar smell during curing (disappears after cure)
Non-priming: No primer required for most surfaces
Mildew Resistance: Suitable for humid environments

Why Work With Us

Jiangsu Runtai Sealant Industry Co., Ltd is a professional manufacturer of silicone and insulating glass sealants.

We provide:

Stable quality for bulk orders
OEM & private label support
Sample testing before order
Competitive factory pricing

Specification

Before curing	Type OfSilicone Sealant	acetic
	Color	clear,black, white
	Proportion (g/cm3)	0.97
	Extrusion(g/min,23ºC)	260
	Resistance To Vertical Flow(mm)	0
Inthe curing	TackFree Time(min)	9
	CuringRate(mm/1day)	3
	CuringRate(mm/3day)	6.5
	CuringRate(mm/7day)	9
	Application Temperature(ºC)	+5~+40
After cured	Elastic RecoveryRate	95%
	Hardness (ShoreA)	20
	Joint Movement Capability	20%
	Working Temperature(ºC)	-30~+120
Mechanical properties ofa2mm thickfilm	Modulus100% extension(Mpa)	0.43
	Tensile Strength (Mpa)	2
	Elongation AtBreak, %	500
Mechanical properties of H-type specimens	Modulus 60% extension(Mpa)	0.4
	Tensile Strength (Mpa)	0.7
	Elongation AtBreak, %	150

Complete Your Project with Runtai's Integrated Sealing Systems

Professional buyers never buy just one sealant. Explore our top-rated matching products for a 'Zero-Leakage' building shell.

Packing & Delivery

Company Profile

RUNTAI (RUNTEC) - Your Global Partner forProfessional Sealing Solutions

Jiangsu Runtai is a premier professional enterprise dedicated to theresearch, development, and production of environmentally friendlydecorative building materials. As a leader in the silicone sealant industry,we provide high-performance solutions for global construction engineering,high-end curtain wall assembly, and sophisticated insulating glassprocessing.

Why Partner with Runtai (China's Top 10 Exporter)?

Choosing a supplier is as important as choosing the product. As a Top 10 Customized Export Manufacturer in China, we offer:

Massive Scale: 2 modern factories (50,000 sqm) with an annual capacity of 30,000+ tons. We deliver on time, every time.
OEM & Private Label Specialist: We provide Free Design Services and low MOQ for your own brand. Let us help you build your empire.
Global Trust: We supply to Fortune 500 enterprises in over 50 countries. Our quality complies strictly with American & European standards.
One-Stop Solution: From Silicone and MS Sealants to PU Foam and Spray Paint—we have everything you need for your construction business.
Distributor Growth Program: We don't just sell to you; we train your team and provide the technical "Know-How" to help you dominate your local market.

FAQ

Q1: Are you a direct manufacturer?
A: Yes, we are a leading direct manufacturer. Runtai operates two state-of-the-art factories covering 100,000 $m^2$. With a massive production capacity of 20 containers per day, we don't just supply products—We guarantee zero-delay delivery for large-scale projects.
 
Q2: Do you offer OEM or Private Label services?
A: Absolutely. We provide a turnkey Private Label solution. This includes free professional package design and flexible, small MOQs. This is perfect for distributors looking to build their own brand with minimal initial investment and maximum factory support.
 
Q3: What is your "One-Stop Solution" product range?
A: Runtai is your comprehensive partner for construction chemicals. Our portfolio includes:
Sealants: Silicone, Acrylic, PU, and MS Sealants.
Adhesives: Water-based, Zero-nail construction adhesive, Marble glue, and Epoxy resin.
Specialties: PU Foam and Industrial Spray Paint.
If it bonds or seals, we have the professional-grade solution for your project.
 
Q4: Why should we choose Runtai over other suppliers?
A: Reliability and Global Reach. We are ranked in the Top 3 for customized export volume in China.
Proven Quality: Trusted by Fortune 500 enterprises in over 80 countries.
International Standards: Our formulas are fully compliant with ASTM (American) and EN (European) standards.
Choosing Runtai means getting premium global quality at direct-factory value.

Q5: Can I request free samples for testing?
A: Yes, we encourage testing. We provide free samples to professional clients. Simply contact us with your specific application (e.g., substrate type, climate conditions), and we will recommend and ship the most suitable formula for your evaluation.
 
Q6: What specific support do you provide to your distributors?
A: We treat our distributors as partners. Our "Distributor Growth Program" includes:
1.Technical Know-How: Deep-dive training on sealant chemistry and application.
2.Sales Training: We train your sales team on how to handle objections and close big projects.
3.Dealer Support: Training sessions for your local sub-dealers.
4.Marketing Assets: High-quality photos, videos, and technical data sheets (TDS/MSDS) to boost your local marketing.

To recommend the most suitable sealant and provide an accurate quotation, please send us the following details:

1. Application: window, door, bathroom, kitchen, curtain wall, insulating glass or general construction
2. Required quantity
3. Destination country or destination port
4. Packaging requirement: 280ml, 300ml, 600ml sausage, drum or OEM packing
5. Color requirement: white, clear, black, grey or customized color
6. OEM brand or private label requirement
7. Target price or current market level if availableWe will recommend the suitable grade, packaging solution and quotation according to your market and application.