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Aquarium Silicone Sealant

FOB Price: US $0.5 - 2 / Piece Get Latest Price
Min.Order Quantity: 5000 Piece/Pieces
Supply Ability: 500000 Carton/Cartons per Month
Port: Shanghai / Ningbo
Payment Terms: L/C,D/P,T/T
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Quick Details

Place of Origin:
Zhejiang China (Mainland)
Other Adhesives
Main Raw Material:
Brand Name:
Model Number:
Grey, Black, White, Silver Grey, Transparent, etc.

Packaging & Delivery

Packaging Detail: Cartridges: 250mL, 280mL, 300mL, etc.
Delivery Detail: 10-30 days


1. Permanently flexible
2. Resists cracking or shrinking
3. It is suitable for heavy-duty marine work

JOINLEADER 688 Aquarium Silicone Sealant



JOIN LEADER 688 Aquarium Silicone Sealant is a high-quality, high middle modulus, easily applied, one-part, acetic-curing silicone sealant that reacts with atmospheric moisture to form a durable, flexible seal.

Permanently flexible and resists cracking or shrinking. The waterproof seal stops leaking.

Non fungicide. Not harmful to marine life.



Approved for construction of aquariums

Non sag

Outstanding adhesion to glass, glazed surfaces, ceramic tiles, many plastics and most paints

Excellent weatherability

Non fungicide.

Suitable for high mechanical loads

Low shrinkage on curing

Abrasion resistant

Flexible at low (–50 °C) and high (+200 °C) temperatures

Not harmful to marine life.




As Supplied – tested at 23°C±2°C, RH50%±5%:


Gravity, g/cm3                  



Sag/Slump, mm                                


ASTM D2202-00(2006)

Tack Free Time, min.                          


GB/T 13477.5-2002    

Extrudability, ml/min.                              


GB/T 13477.3-2002


As Supplied – tested at 23°C±2°C, RH50%±5% 7days :


Hardness, 24H,Shore A                            


ASTM D2240-05

Hardness, 7D,Shore A                        


ASTM D2240-05

Tensile Strength, MPa                      


ASTM C 1135

Elongation at Break, %                      



Volatile content, %                            


EPA -24

Depth of curing, 24H, mm                        


ASTM C1184-05

Depth of curing, 7D, mm                        


ASTM C1184-05

Modulus at 100% elongation, MPa                  


ISO 8 339 – A

Adhesion Failure Area, %                          


GB/T 13477.8-2002

Tear Strength, N/mm                              


   ISO 34 – C




JOINLEADER 688 Aquarium Silicone Sealant is a high-performance sealant designed for the construction of aquariums and high-quality glass structures (Total Vision Glazing, TVG).

JOINLEADER 688 Aquarium Silicone Sealant is also suitable for use in glazing and industrial applications and for the construction of silos and containers.

It may be applied by hand or machine to seal a variety of substrates such as glass, coated glass, ceramic tiles, enamel, painted surfaces (wood and other), aluminum, steel and many plastics. In some cases, metal and plastic substrates require priming before JOINLEADER 688 Aquarium Silicone Sealant is applied. 



12 months in unopened packaging in a cool and dry storage place at temperatures between +5°C and 27°C.



Transparent, black, white and silvery gray.

Also we can produce the sealant with special color upon customers' requirement.



Cartridges: 250mL, 280mL, 300mL, etc.


JOIN LEADER Factory Photos:


Not exactly what you want? 1 request,multiple quotations Get Quotations Now >>
Join Leader Adhesive Co., Ltd., a leading professional manufacturer & marketer of quality adhesives & sealants, is always dedicated to the research and development of various functions and applications in adhesives for last 17 years. Join Leader commits itself to provide more economical, professional, convenient application products, services and solutions to meet the ever-increasing demand in Construction, Industry, Automobile, DIY and other areas. Meantime, in all our products and services, ... View detail

Basic Information Indicates information has been verified onsite by a certification specialist

Product/Service (We Sell): Silicone Sealant,Gasket Maker,Contact Adhesive,White Glue,Acrylic Sealant,Epoxy Adhesive,PU Foam,Silicone Rubber Tape  
Number of Employees: 101 - 200 People  

Trade & Market

Main Markets: Central America
Eastern Europe
North America
Southern Europe
Southeast Asia
Western Europe
Northern Europe
Domestic Market
South Asia
Mid East
South America
Total Annual Sales Volume: US$10 Million - US$50 Million  
Export Percentage: 81% - 90%  

Factory Information

Factory Size (Sq.meters): 5,000-10,000 square meters  
Factory Location: Zhabei Village, Hezhuang Street, Xiaoshan District, Hangzhou City, Zhejiang Province, China  
Number of Production Lines: Above 10  
Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 5 - 10 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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Verified Supplier - Join Leader Adhesive Co., Ltd.
China (Mainland) | Manufacturer, Trading Company | Contact Details
Key Strengths: Assessment Report by Bureau Veritas
Top 3 Markets: South America 23.72%, Africa 23.07%, Mid East 12.64%
Experience: Established 2005

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