Features and advantages
- It is an ideal sealing material for stretching, connecting, peripheral sealing and other moving joints
- Neutral curing, suitable for coated glass, float glass, wooden materials, aluminum profiles, galvanized steel,
Masonry and other materials
- The original joint width can be stretched/compressed 35%
- Excellent weather resistance, sunlight, rain, ice, snow, ozone or extreme temperature will not cause adverse effects
- For most building materials and components, good adhesion can be achieved without primer
- Easy to use, can be extruded at any time by using a general glue gun
- Excellent anti-sag performance
composition
One-component, neutral, room temperature moisture curing silicone sealant.
application
MF889 silicone weathering sealant is suitable for glass assembly, curtain wall and building exterior wall design.It can be weatherproof and waterproof.
product manual
MF889 silicone weather-resistant sealant is a one-component, non-sagging, neutral curing sealant. It can be easily extruded and used at most outside ambient temperatures and is formed by the reaction of water vapor in the air. Durable and elastic silicone sealant.
colour
In addition to black, gray and white, it can also be produced in consultation according to the special colors required by customers
Adopt standards
MF889 silicone weathering sealant meets or exceeds the following standard
specifications:
JC/T 882 | 25HM
GB/T 14683 G, F 25HM
GB/T 22083 G, F 35HM
ISO11600F, G 25HM
ASTMC920S type, NS type, 35HM, suitable for
NT, G, A type applications
Operation precautions
If it gets into eyes accidentally, rinse with plenty of water immediately
Do not contact with skin for a long time, avoid contact with children
Do not contaminate food, drugs or cosmetics
Before use, please do a bonding test and refer to the company's technical data and safety data sheet to learn about the safe use and hazards of the product. All safety items not involved in this product, please follow the requirements of JGJ 102
Main Specifications
| Guideline |
Test items |
skills requirement |
Test results |
| When uncured, test under the conditions of temperature (23±2)ºC and relative humidity (50±5)% |
| GB/T 13477.2 |
density,glcm3 |
- |
1.49 |
| GB/T13477.6 |
Sag,mm |
3 |
0 |
| GB/T 13477.3 |
Extrusion,mv/min |
≥80 |
360 |
| - |
operating hours,min |
- |
30 |
| GB/T 13477.5 |
Tack-free time,h |
≤3 |
2.5 |
| |
Curing time,d |
- |
7~14 |
| - |
Construction temperature range,ºC |
= |
5~40 |
| Curing for 28 days under the conditions of temperature (23±2)ºC and relative humidity (50±5)% |
| GB/T531.1 |
hardness,Shore A |
20~60 |
45 |
| GB/T 22083 |
Displacement ability,% |
35 |
35 |
| - |
Temperature resistance range after curing,ºC |
- |
-60~180 |
| GB/T 13477.8 |
100% elongation modulus,MPa
Elongation at break,%
Tensile Strength,MPa |
- |
0.5
350
1.10 |
Audited Supplier 
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