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SS2649 Silicone weather-resistant adhesive for construction

HM-SS2649 silicone weather-resistant adhesive for construction is a kind of one-component, neutral curing, low modulus, high elasticity silicone rubber; it has good elasticity and displacement deformation ability, and has good adhesion to various powder coating metals The thixotropy of the product prevents it from sagging when it is applied in building joints, so it is especially suitable for the design of non-structural bonding, weather resistance, and waterproof sealing of various curtain walls; at the same time, it can be used in a wide range of climate temperatures It can be used, and it has good adhesion and compatibility to the surface of most substrates without primer. After curing, it is anti-aging, anti-ultraviolet radiation and extreme high and low temperature (-50- 150°C) changes; it has Low modulus performance, can bear the expansion and displacement capacity of the interface ± 25%, can be widely used in bonding and sealing.

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  • SS2649

  • Howell

HM-SS2649

Silicone weather-resistant adhesive for construction

Description 

HM-SS2649 silicone weather-resistant adhesive for construction is a kind of one-component, neutral  curing,  low  modulus,  high  elasticity  silicone  rubber;  it  has  good  elasticity  and displacement deformation ability, and has good adhesion to various powder coating metals The thixotropy of the product prevents it from sagging when it is applied in building joints, so it is especially suitable for the design of non-structural bonding, weather resistance, and waterproof sealing of various curtain walls; at the same time, it can be used in a wide range of climate temperatures It can be used, and it has good adhesion and compatibility to the surface of most substrates without primer. After curing, it is anti-aging, anti-ultraviolet radiation and extreme high and low temperature (-50- 150°C) changes; it has Low modulus performance, can bear the expansion and displacement capacity of the interface ±  25%, can be widely used in bonding and sealing.


Application

Application of glass curtain wall, aluminum-plastic panel curtain wall, door and window sealing and caulking

Non-structural adhesive assembly application of various curtain walls

Application  of sealing and  caulking  between  various  metal  and  aluminum  alloy  doors, windows and walls

Glass, coated glass, tiles and masonry, concrete, etc.

Wood that does not seep oil


Properties Data

1. Before curing

Performance

Indicator

Test Method

Sagging (mm)

0

GB/T13477.5-2003

Surface drying time (h)

≤2

GB/T13477.5-2003

Depth curing rate

2 mm/day


Complete    curing    time    (humidity 50±5%, temperature 23±2℃)

14-21 days


2. After curing for 21 days under conditions of humidity 50±5%, temperature 23±2

Hardness (Shore A)

35

GB/T531

Tensile  modulus  at  25%  elongation (MPa)

0.16

GB/T13477.8-2003

Tensile  modulus  at  50%  elongation (MPa)

0.36

GB/T13477.8-2003

Tensile  modulus  at  100%  elongation (MPa)

No break


Ultimate tensile modulus (MPa)

1.2

GB/T 13477.8-2003

Ultimate elongation%

400

GB/T13477.8-2003

Grade of sealant

25HM

ISO 11600 or JC/T881-884-2001

*The above data is tested at 25℃ and 50% relative humidity.

*Standard  colors  are  white,  black,  gray.  Other  colors  can  be  provided  according  to  customer requirements.


Storage & Shelf Life

Store the original sealed adhesive in a dry place with a temperature not exceeding 27 degrees. The storage period is 12 months from the date of production.


Package

Standard packaging includes 300ml plastic cartridge with 24 pieces per carton; 500ml soft film packaging, 20 pieces/box; 200L/Iron drum.


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