Renderoc LA55 Spec Clause - Parchem

slicedhillockUrban and Civil

Nov 25, 2013 (3 years and 6 months ago)

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Product Specification



Parchem Construction Supplies

Document Date:
09/2009

Page
1

of
2

Parchem offers direct assistance with specifications for individual projects; we can visit the site, design
office, or
arrange a meeting at our branch office. It is recommended that Parchem be consulted early in the design process.
For Technical Data Sheets (TDS), Specification
s

and Method Statements, please visit our website at

www.parchem.com.au
.
* To insert the Specification, Copy and Paste.

Renderoc
LA55

Super fluid, high strength, low alkali, micro
-
concrete reinstatement mortar, for form and
pour applications

*
1.00


Concrete Repairs


1.10


Steel reinforcement primer

The
steel reinforcement primer shall be a single component zinc
-
rich epoxy resin. It shall be fully
compatible with the concrete repair system.


1.20


Concrete Repair Mortar

The fluid micro
-
concrete reinstatement mortar shall be a single component, low alkali,

cement
-
based blend of powders to which only the site
-
addition of clean water shall be permitted. It shall
be manufactured to achieve maximum compatibility with reinforced concrete with a compressive
strength greater than 50 MPa and, as a consequence, shal
l exhibit the following characteristics:


Compressive strength:

30 MPa @ 3 days

(BS1881 Pt.116: 1983
-
restrained)


42 MPa @ 7 days



60 MPa @ 28 days


Flexural strength:

5.0 MPa @ 7 days

(BS1881 Pt.118:1983)


7.5 MPa @ 28 days


Modulus of
elasticity in
compression:

34 kN/mm
2

@ 28 days

(BS1881 Pt.121:1983
-
restrained)

Bond strength:

54 MPa @ 28 days

(BS 6319 Pt 14:1984)
(slant/shear
-

substrate
pre
-
soaked, no bonding
aid


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Product Specification



Parchem Construction Supplies

Document Date:
09/2009

Page
2

of
2

Parchem offers direct assistance with specifications for individual projects; we can visit the site, design
office, or
arrange a meeting at our branch office. It is recommended that Parchem be consulted early in the design process.
For Technical Data Sheets (TDS), Specification
s

and Method Statements, please visit our website at

www.parchem.com.au
.
* To insert the Specification, Copy and Paste.

1.21


The cured reinstatement mortar shall be shrinkage compensated and highly impermeable to acid
gases, water and water
-
borne contaminants. It shall exhibit the following characteristics:




Drying shrinkage:

< 300 microstrain @ 7
days

(AS1012 Pt 13)


< 550 microstrain @ 28
days

(ASTM 23
o
C, RH50%)

Chloride diffusion:

< 1000 coulombs

(ASTM C1202
-
91)


Carbon dioxide barrier:



Equivalent thickness of
concrete to 50mm of Renderoc
LA55

2000mm

(Taywood method)

Electrical resistivity:

11,000 ohm.cm @ 28 days

(Midland Links
Specification Clause
1770AR



1.22


Nitoprime Zincrich and Renderoc LA55 from Parchem Construction Products meet the
performance criteria and are approved.

Specification Clause

Parchem offers direct assistance with specifications for
individual projects; we can visit the site, design
office, or arrange a meeting at our branch office. It is recommended that Parchem be consulted early in
the design process. Not only does our service offer help with specifications but also technical assis
tance is
available 7 days a week on Ph:1800 812 864.

For Technical Data Sheets (TDS), Specification Clauses and Method Statements, please visit our website at
www.parchem.com.au

* To copy and insert specification clause, copy and paste from below.