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MF889A Silicone Stone Weatherproofing Sealant

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One component, neutral cured, high elasticity and medium modulus.

Excellent resistance to weather aging, water, low and high temperature.

Special for the assembly of stone and the weatherproofing of stone curtain wall.

Directly extruded in the temperature range of 10~50℃. Movement capability: ±25%.

Excellent adhesion to most building materials without primer even in the range of -60~180℃.

No corrosion to porous building materials such as granite and marble; no pollution to the environment.


Mainly applied in the common assembly and weatherproofing sealing. It is suitable for filling the seam and joints, which can produce good adhesion.



Consistent with standards: GB/T14683, JC/T883 & ASTM C920

Methods of Application:

1. The surface must be clean, dry and free of any traces of grease or dust.

2. It can be used directly in the temperature 10~50℃.

3. Masking tape should be used in case of contamination and be removed after using.


The shelf life will be 12 months stored in cool, dry and ventilated places below 27℃.


Cartridge Package: 300ml/piece, 25pcs/carton

Sausage Package: 592ml/piece, 20pcs/carton.


MF889A is non-dangerous, can be transported by train, automobile, ship and plane.




Head office
  Room 808, Building B, Ziyuan Plaza, Zhangdian District,Zibo City, Shandong, Province, China
 Tel:  0086-533-2792589
  Mobile/Whatsapp/Wechat: 0086-13864046359
Glass Consumables Department 
Mobile/Whatsapp/Wechat: 0086-15589341767
Contact: Peter Sun

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