A silicone-based firestop sealant that provides maximum movement in fire-rated joints, and seals through-penetration applications in fire-rated joints, and seals through-penetration applications Easy to use one part, neutral curing, KASTAR Fire-rated Silicone Sealant. It Combines excellent adhesion with durability and can be used for internal and external applications.

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Product Features

Compared with traditional fire-resistant sealing materials, Kastar Fireproof Silicone Sealant has outstanding advantages in flame retardancy, adhesion, displacement, water tightness and service life.

KASTAR 763 Firestop Neutral silicone sealant

Halogen and solvent-free
Asbestos free
Simple to use and apply
Good adhesion without the use of a primer
Smoke, fume, water, and UV resistant
Excellent movement capability meets 500 cycle requirements
Meets FV-0 Fireproof grade
More than 4 hours Fire resistance without using any backfilling material according to EN 1366-4 under certain conditions.

The colloid is smooth and has no air hole

Can withstand high temperature of 2192℉

Unafraid to temp difference, Cold＆heat resistant

Properties Product

*Curing condition of the sample: 23℃×50%RH× 14 days

Product Type	Volume	Package
White/Grey	300ml	24
White/Grey (Sausage)	600ml	20
Basis	Neutral elastic silicone
Consistency	Smooth paste
pH	7.5-9
Specific gravity	Approx. 1.4 g/cm3	(ASTM D 792)
Tack-Free time	15-30 min (23 °C and 50%	(ASTM C 679-03)
Curing Rate (mm/day)	Min.2 mm/day (23 °C and 50% R.H)
Shore A hardness	40 ± 5 Shore A
Volume shrinkage	Approx. 0 – 5%	(ASTM D 412)
Movement capability	Approx. 33%	(ASTM D 412)
Application Temperature	+5 °C to +40 °C	Flame spread: 0 Smoke development: 25

Areas of application

Sealing construction/expansion joints
Top-of-wall joints
Metal pipes
Cable bundles
HVAC penetrations

For use with

Arious base materials such as masonry, concrete, metal, etc.
Wall and floor assemblies rated up to 4 hours

Examples

Fire-resistant sealing of connection and expansion joints in constructions.
All building and glazing joints require a fire rating.
Suitable for all common building materials.

Consumption (approx.)

Application Width	5mm	10mm	15mm	20mm	25mm
Application Depth	3mm	5mm	8mm	10mm	12mm
Efficiency /300 ml	20 meters	6 meters	2.5 meters	2 meters	1 meters

Restrictions

Damp or humid conditions will significantly extend the cure time.

Do not apply below 5℃

Storage and shelf life

The shelf life is 12 months if stored in unopened-original package in a dry place at temperatures between +5℃and +25℃

Safety & Disposal

Bears no imminent risk to health. Check MSDS guidelines for disposal and further information concerning safety.

Wide application scope

Range of application of Kastar Fireproof Neutral silicone sealant: Fire-proof and moisture-proof sealing for decoration of hotels, cinemas and other public places, sticky and flame-retardant sealing for fire protection projects of various doors, windows, glass and curtain walls, And the fixing and flame-retardant sealing of electronic and electrical components.