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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Classification: Other Adhesives
  • Main Raw Material: Silicone
  • Usage: Construction, Transportation, Other
  • Brand Name: JOIN LEADER
  • Model Number: JOIN LEADER 688
  • Color: Grey, Black, White, Silver Grey, Transparent, etc.

Packaging & Delivery

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

Specifications

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

JOINLEADER 688 Water-proof Silicone Sealant 

 

PRODUCT DESCRIPTION

JOINLEADER 688 Water-proof 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.

 

FEATURES

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.

 

TECHNICAL DATA

 

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

  

Gravity, g/cm3                  

0.98~1.1

 

Sag/Slump, mm                                

0.83

ASTM D2202-00(2006)

Tack Free Time, min.                          

     5~20    

GB/T 13477.5-2002    

Extrudability, ml/min.                              

210

GB/T 13477.3-2002

   

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

  

Hardness, 24H,Shore A                            

21

ASTM D2240-05

Hardness, 7D,Shore A                        

28

ASTM D2240-05

Tensile Strength, MPa                      

0.84

ASTM C 1135

Elongation at Break, %                      

280

ASTM D638

Volatile content, %                            

5.83

EPA -24

Depth of curing, 24H, mm                        

2.8

ASTM C1184-05

Depth of curing, 7D, mm                        

8.4

ASTM C1184-05

Modulus at 100% elongation, MPa                  

0.56

ISO 8 339 – A

Adhesion Failure Area, %                          

4.17

GB/T 13477.8-2002

Tear Strength, N/mm                              

5.6

   ISO 34 – C

 

APPLICATIONS

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

It 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.

 

SHELF LIFE

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

 

COLOR

Transparent, black, white and silver gray.

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

 

PACKAGING

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

 

JOIN LEADER Factory Photos:

 

 

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