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JS-2600
Low modulus weather resistant silicone sealant

JS-2600 low modulus weather resistant silicone sealant is a low modulus, single component neutral curing silicone sealant designed specifically for weather resistant and waterproof sealing joints in building curtain walls that require high displacement capacity. This product does not contain solvents and is environmentally friendly. It can be easily extruded and used under a wide range of temperature conditions. It relies on moisture in the air to solidify into excellent and durable elastic silicone rubber. The JS-2600 product provides superior adhesion to most building materials without the need for primer.

Product features

1. Environmental protection products: solvent-free, PVC free, isocyanate free, non-toxic, odorless, pollution-free, and fast curing;

2. Easy to use: single component is easy to use in construction, with excellent thixotropy and extrudability, and wide applicable temperature range.

3. Good adhesion: excellent adhesion to most prefabricated building materials without primer; No pollution to porous substances.

4. Excellent weather resistance, aging performance, long-term superior tensile, compressive, and shear stress performance, while good weather resistance ensures the durability of the seal and excellent waterproofing;

5. Low modulus, high displacement capacity, capable of withstanding ± 25% joint size displacement;

6. Neutral curing, non corrosive to most building materials.

Product parameters
The following data is for reference only and is not recommended for specification development
Parameter Unit

Value

Standard

 

Color

 

Black, gray, white (customizable)

 

 

Curing Method

 

Moisture cure

 

 

Density

g/cm

≤ 1.5

CB/T 13477.2-2017

 

Sag

mm

< 2

GB/T 13477.6-2017

 

Surface drying time

min

30-90

GB/T 13477.5-2017

 

Curing time (humidity 50 ± 5%, temperature 23 ± 2 ℃) days

 

7-14

 

 

Hardness, Shore A

 

≤ 35

GB/T 531.1-2008

 

Tensile strength (100% elongation)

MPa

≤ 0.4

GB/T 13477.8-2017

 

Tensile strength

MPa

名1.0

GB/T 13477.8-2017

 

Elongation at break

%

:250

GB/T 13477.8-2017

 

Displacement ability

%

±25

GB/T 14683

Note: Grade 25
Operation and Safety
  • (1) Do not contact uncured sealant products with food or cosmetics;
  • (2) Uncured sealant should not come into contact with the skin for a long time;
  • (3) If the sealant accidentally enters the eyes, it must be immediately examined by a doctor;
  • (4) Place the product out of reach of children.
Color and packaging

JS-2600 low modulus weather resistant silicone sealant is available in three standard colors: black, gray, and white. Other colors can also be provided according to customer needs.

JS-2600 low modulus weather resistant silicone sealant is provided to customers in soft packaging with a net capacity of 300mL plastic pipe or 500mL aluminum plastic film.

Storage and expiration date

The storage condition is dry and ventilated, with a temperature of 27 ℃ or lower. Under this storage condition, the shelf life is within 12 months from the date of production.

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