MF889 Weatherproof Silicone Sealant


MF889 weatherproof silicone sealant is single-components, neutral, with outstanding weatherproof ability.
Characteristics:

  1. Free primer, powerful adhesive force for glass, aluminum and most building material.
  2. Easy and convenient be extruded in the temperature 10℃-50℃.
  3. Excellent resistance in both high and low temperature, from -60℃. to 180 ℃.
  4. Good Movement capability ±25%.
  5. Non corrosivity and non-pollution to environment

Properties:


No.

DESCRIPTION

TECHNICAL DATA

1

Appearance

Black, grey,brown and white, etc

2

Sag

Placed Vertically (mm)

≤ 1

3

Tack-free Time (Hours)

≤ 2

4

Curing time (days)

7-14

Belowed specification was measured after 21 days in the condition of 23℃, 50% relative humidity

1

Shore Hardness A

20 - 60

2

Adhesive strength (Mpa)

≥0.6 MPa

Standard

ASTM C920, GB/T 14683, JC/T882


Range of Application:
MF-889 is mainly applied waterproofing and weatherproof sealing for glazing curtain walls and aluminum panel curtain walls.
Package:
Cartridge package: 300 ml / pc ,  25 pcs / carton.
Sausage package: 592 ml / pc , 20 pcs / carton.

Storage:
12 months stored in cool(below 27℃), dry and ventilated places.

NOTES
1. In case of contact with eyes, wash with plenty of water immediately.
2. Avoid long-term contacting with skins, placed carfully, avoid children touch.
3. Avoid contaminating food, medicine or cosmetics, etc

Restricted application:
MF889 silicone sealant should avoid used in followed conditions:

  1. Structural assembly
  2. The place where be absolutely sealed and insulated air.
  3. Vulcanized or semi-vulcanized rubber.
  4. The building materials which may exude grease, plasticizer or solvent, etc
  5. The joint which suffering excessive friction
  6. Frosted or humid surface.

SECURITY NOTICES
Aboved information don’t include all the safety notices. For safely using, carefully reading of The <Application Standard of the Structural Silicone Sealant> and the Product Manual, we whould like provide them any time.. Sufficient secure tests should be carried out. For details, please refer to JGJ102 standard.

Method of application
1. Surfaces where silicon shall be applied must be cleaned, dried and free of grease.
2. Masking tape should be used to avoid contamination and they shall be removed after sealing.
3. It could be used directly under the temperature between 10 - 50℃.

Estimated consumption amount:

Standard cartridge packaged of MF890 silicone sealant, 300ml net volume.
Seal length unit: meter

 

Seal Width(mm)

Seal Depth(mm)

6

9

12

15

20

25

6

8.3

5.6

4.2

3.3

2.5

2

9

5.6

3.7

2.8

2.2

1.7

1.3

12

4.2

2.8

2.1

1.7

1.3

1.0