Bostik A326 FILL A GAP CLASSIC is a versatile sealant based on acrylic dispersion. After application the product forms a soft plasto elastic rubber by evaporation of water from the sealant.
 
KEY FEATURES
- Excellent sealing and adhesion properties
- Skins within 15 minutes
- Can be over-painted with acrylic paint
- High bond strength
- Once cured excellent water resistance
- Slump resistant
 
RECOMMENDED USE
- Sealing cracks in plasterboard
- Sealing window and door frames
- Sealing around ceramic tiles
- Sealing low movement joints
- Cracks filing prior to painting
- Sealing cracks in brickwork and concrete
- Sealing between light partition walls
- Sealing skirting and architraves
APPLICATIONS
1. Hold caulking gun at a 45o angle and squeeze
trigger at even pressure
2. While the caulk is being dispensed, move the
caulking gun along the crack or gap at an even
speed
3. Smooth off with wet finger or scrape off
lightly with a wet putty knife or damp cloth
4. Becomes touch dry within 30 minutes under
normal conditions
 
https://www.bostik.com/files/live/sites/shared_bostik/files/import-thailand/TDS%20Bostik%20A326-Fill%20A%20Gap.pdf
 
TECHNICAL DATA ( approx. )
Typical properties after cured at 25oC & 50% RH
Appearance Smooth paste like consistency
Colour White
Chemical Type Water based acrylic
Specific Gravity Approx. 1.6
Service Temperature -20oC to +75oC
Application Temperature 5
oC to 50oC
Tool Working Time 15 minutes at 20oC
Tack Free Time (Skin Time) 15 minutes
Full Cure 2 to 3 days (depending on temperature)
Max. Joint Movement +/- 5%
Max. Joint Width Up to 25mm in localised areas
Flammability Non Flammable