Fireproof sealant
LaSeal 763 Firestop Neutral silicone sealant
Features
2. Asbestos free.
3. Simple to use and apply.
4. Good adhesion without use of a primer.
5. Smoke, fume, water and UV resistant.
6. Excellent movement capability, meets 500 cycle requirements.
7. Meets FV-0 Fireproof grade.
8. More than 4 hours Fire resistance without using any backfilling material according to EN 1366-4 under certain conditions;
Areas of application
Technical Data Sheet(TDS)
LaSeal 763 Firestop Neutral silicone sealant
Item |
Data |
Basic material |
Neutral elastic silicone |
Color |
Gray , White |
Consistency |
Smooth paste |
PH |
7.5-9 |
Specific gravity |
Approx. 1.4 g/cm3 |
Tack-Free time |
15-30 min (23 °C and 50%R.H) |
Curing Rate (mm/day) |
Min.2 mm/day (23 °C and 50% R.H) |
Shore A hardness |
40 ± 5 Shore A |
Elongation |
> 100% |
Tensile strength |
≥ 0,4 N/mm2 |
Application Temperature |
+5 °C to +40 °C |
Volume shrinkage |
Approx. 0 – 5% |
Movement capability |
Approx. 33% |
Restrictions: Damp or humid conditions will significantly extend the cure time.
Do not apply below 5℃
Surface Preparation
● Following cleaning procedure and materials are recommended
● Glass Degrease with alcohol or MEK
● Aluminium, light alloys and stainless steel Degrease with alcohol or MEK
● Other Metals Lightly abrade then degrease as above
● Wood Lightly abrade surface then remove dust
● Plastics Degrease using an agent recommended by plastics manufacturer
● Concrete and other alkaline Surfaces Brush and remove dust