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Renderoc RG
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16 Apr 2020
Indonesia
1 Bag
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Specification of

General purpose, non-shrink, cementitious

micro-concrete

Uses

Renderoc RG Spl is used for repairs to damaged reinforced

concrete elements, particularly where access is restricted and

where vibration of the placed material is diffi cult or impossible.

It is suitable for various structural strengthening measures

such as encasement build-ups, jacketing , piletop encapsulation resin system, etc.

Advantages

 Gaseous expansion system compensates for shrinkage

and settlement in the plastic state.

 Can be pumped or poured into restricted locations.

 Fluidity to allow for placement without vibration.

 Pre-bagged to overcome site-batched variations.

 Rapid strength gain to facilitate early reinstatement.

 High ultimate strengths and low permeability of cured repair.

 Contains no chloride admixture.

Ensures piletop integrity as part of a waterproofi ng system

Description

Renderoc RG Spl is supplied as a ready to use blend of dry

powders which requires only the site addition of clean water to

produce a free-fl owing non-shrink repair micro concrete. The

material is based on Portland cements, graded aggregates

and fi llers, and additives which impart controlled expansion

characteristics in the plastic state, while minimising water demand. The low water requirement ensures high early strength

and long-term durability.

For larger repairs, the mixed Renderoc RG Spl may be modifi ed by the addition of 5mm to 12mm clean, graded, saturated

surface dry aggregates at site. For exceptionally large repairs,

the local Fosroc offi ce shall be consulted.

Technical support

Fosroc offers a technical support package to specifi ers, end

users and contractors as well as technical on-site assistance

in locations all over the country.

Design criteria

Renderoc RG Spl can be applied in sections upto 100mm deep.

For larger sections, the addition of approved aggregates may

be required. This will depend on the specifi c confi guration of

the repair location. Fosroc offi ce shall be contacted for further

information.

Properties

The following results were obtained at a water:Powder ratio

of 0.15 @ 300C.

Test Typical result at 300C

Compressive strength (N/mm2

)

 1 Day 30

 7 Days 60

28 Days 75

Flexural strength 8N/mm2

 @ 28 days

Young’s Modulus 25 kN/mm2

Expansion characteristics Unrestrained expansion

 of 1 to 4%. Pressure to

 restrain Plastic expansion - Approx. 0.004N/

mm2

Coeffi cient of thermal 10 - 12 x 10-6 / 0C.

expansion

Thermal conductivity 1.5 W/m0C

Fresh wet density 2300 - 2400 kg/m3

 

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