Bostik Patchfix Concrete ( fast seting )
DESCRIPTION
Patchfix Concrete is a high performance rapid setting, high
early strength, shrinkage compensated repair concrete for
patching concrete roadways, pavements and floors.
Patchfix Concrete is a special blend of cement and
aggregates supplied in a ready to use form. The addition of
water and mixing produces a high strength, heavy-duty,
trowellable repair concrete that minimizes shut down time
and allows the repair back in service in 2-3 hours.
USES
Repairing localised patches, small or large.
Repairing concrete roadways, warehouse floors, ramps,
concrete pavements.
Maintenance repairs for areas 10mm to 180mm in depth in
one layer.
Emergency repair of concrete.
Patching of worn or damaged concrete.
Concrete spalling repair.
Floor repairs and overlay.
Where minimum disruption to traffic and floor shutdown is
required.
Floor areas subject to high abrasion and impact.
FEATURES
Single component system of pre blended powder, simply
add water and mix.
Rapid strength gain will accept vehicle traffic in 2 hours.
High early strength.
Abrasion and weather resistance.
One component product, just add water.
Excellent bond strength to concrete substrate.
High build repairs can be carried out in a single application.
Shrinkage compensated.
Internal or external application
COMPRESSIVE STRENGTH
Tested in accordance to AS1012.9, AS2073@20oC
.
Age Compressive strength
2 hours 26 Mpa
8 hours 33 Mpa
1 day 45 Mpa
3 days 50 Mpa
7 days 55 Mpa
28 days 60 Mpa
FLEXURAL STRENGTH
Tested in accordance to ASTMC348-86@20oC
Age Flexural strength
1 day 6.0 Mpa
3 days 7.1 Mpa
7 days 8.0 Mpa
28 days 10.5 Mpa
BOND STRENGTH
Tested in accordance to ASTMC882-1987 Slant/Shear
Method@20oC
Age Bond strength
7 days >10 Mpa
28 days >15 Mpa
SETTING TIME
Vicat setting at 20oC
Initial Set 20oC 35-40 minutes
30oC 20-30 minutes
Final set 20oC 40-50 minutes
30oC 30-40 minutes