Joint Silicone Sealant ST-863
The ST-863 silicone sealant has high joint movement capability, high modulues. It’s a single-components sealant.
Features:
- Easy extruding,room temperature cured.
- High joint movement capability +-50%.
- Excellent weatherproofing, keeping good performance in extensive temperature range -60℃ – 180 ℃.
- Free primer to most material(glass,aluminium,marble,concrete,wood and other metal)
- Non-pollution to enviroment.
Properties:
No. |
DESCRIPTION |
TECHNICAL DATA |
|
1 |
Sag |
Placed Vertically (mm) |
≤ 1 |
2 |
Tack-free Time (minutes) |
≤ 10 |
|
3 |
Full curing time(hours) |
3-7 |
|
4 |
Mildew proofing Class |
Class 0 |
|
Belowed specification was measured after 21 days in the condition of 23℃, 50% relative humidity |
|||
1 |
Hardness(Shore A) |
20-60 |
|
2 |
Adhesive strength (Mpa) |
23℃ |
≥0.7 |
After 500 hours soak in water-UV |
≥0.7 |
||
3 |
Maximum elongation rate % |
≥300 |
|
4 |
Elastic restoring rate % |
≥90 |
|
5 |
Weight loss rate % |
≤ 5 |
|
Standard |
GB/T 14683, JC/T 882, ASTMC920 |
||
Range of Application:
The joint sealant provide professional solution in followed applications:
- The weatherproofing seal of glass curtain wall and aluminum curtain wall in construction.
- The joint who could bear gross distortion.
- The joint seal of all kinds of skylights.
- The weatherproofing seal of skyscraper’ curtain wall
Package:
Cartridge package: 300 ml / cartridge , 25 cartridges / carton.
Sausage package: 592 ml / cartridge , 20 cartridges / carton.
Storage:
Shelf-life 12 months stored in cool(below 27℃), dry and ventilated places.
Restricted application:
The joint sealant not fit in followed conditions:
- The building materials who may exude grease, plasticizer or solvent, etc
- Structural assembly
- The place where be absolutely sealed and insulated air.
- Surface of vulcanized or semi-vulcanized rubber.
- The joint which undertake high structural strength, suffering excessive friction or physical destroy.
- Frosted or humid surface.
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
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 |
