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Asia Seal Engineering Sdn Bhd
Lot G005, Jalan PJU 10/3C,
Damansara Damai,
47830 Petaling Jaya,
Selangor, Malaysia.
+603-6158 9957
asiaseal.engineering@gmail.com

SikaGrout 215 / Non Shrink Grout

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SikaGrout 215 / Non Shrink Grout Concrete Repair
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Brand: Sika
Product Code: SikaGrout 215
Weight: 25.00kg
Price: RM30.00

SikaGrout 215 - Pumpable Shrinkage Compensated Cementitious Grout

DESCRIPTION

SikaGrout®-215 is a pumpable dual-shrinkage compensated, self-levelling, prebagged cementitious grout with extended working time to suit local ambient temperatures.

USES

SikaGrout®-215 is suitable for repairs to the following concrete structures:

  • Machine foundations
  • Columns in precast construction
  • Concrete anchors
  • Bridge bearings
  • Cavities
  • Gaps
  • Recesses
  • Rail beds
  • Honeycombs (pre-packed grouting)

SikaGrout®-215 is suitable for grouting works with clearances as low as 5 mm.

CHRACRTERISTICS / ADVANTAGES

  • Easy to mix and apply
  • Good flow characteristics
  • Rapid strength development
  • High ultimate strengths
  • Impact resistant
  • Non-corrosive
  • Non-toxic
  • Iron and chloride free
  • Dense and non-shrink (2-step expansion)
  • Gaseous expansion in plastic stage
  • Crystalline expansion in hardened stage
  • Extended working time
  • Good pumping properties
  • Tested for compatibility with drinking water

APPEARANCE / COLOUR : Grey Powder

PACKAGING: 25kg bag

WET DENSITY: ~2.2kg/ltr (depending on consistency and temperature)

AGGREGATE SIZE: 1.2mm max

LAYER THICKNESS: 50mm max per pour / 5mm min per pour

MECHANICAL / PHYSICAL PROPERTIES ~ TYPICAL RESULT

Tests carried out at +25°C

Mix Designs                 Flowable (Water content 4.2 ltr/25 kg bag)        Pourable (Water content 3.8 ltr/25 kg bag)
Flow ~  BS Cone                        ~ 280mm                                                      ~ 250mm
        ~ JA Cone                         ~ 7 seconds                                                  ~ 22 seconds

Initial setting time                          4 h : 20 m                                                     3 h : 40 m


Expansion at 24 hours                ~ 0.63 %                                                      ~ 0.35 %

Compressive strength 1 day        ~ 25N/mm2                                                  ~ 30N/mm2
                                7 days      ~ 50N/mm2                                                  ~ 65N/mm2
                               28 days     ~ 65N/mm2                                                  ~ 70N/mm2

Flexural strength       7 days      ~ 5.8N/mm2                                                 ~ 6.4N/mm2

                              28 days     ~ 7.9N/mm2                                                 ~ 8.3N/mm2

The above tests were conducted under laboratory conditions in accordance with the following standards:

  • Bleeding & Expansion ASTM C 940
  • Compressive strength ASTM C 109
  • Flexural strength BS 4551

The results above are typical data and given as a guide only. Site results may
differ according to mixing process, placing, curing, etc. Preliminary tests are
always recommended.

 

Flowable consistency
SikaGrout®-215                      1.84 kg             25 kg            74 x 25 kg bags
Water                                    0.31 ltr              4.2 ltr            309 ltr
Volume mortar                        1 ltr                 13.6 ltr            1 m3

Pourable consistency
SikaGrout®-215                   1.90 kg              25 kg            76 x 25 kg bags
Water                                 0.30 ltr              4.0 ltr             303 ltr
Volume mortar                     1 ltr                 13.2 ltr            1 m3

SUBSTRATE QUALITY

Concrete, mortar and stone
Surfaces must be sound, clean, free from frost, oils, grease, standing water and all loosely adhering particles and other surface contaminants.
Metal surfaces (iron and steel)
Surfaces should be clean, free from scale, rust, oil and grease.

SUBSTRATE PREPARATION

The substrate should be prepared by suitable mechanical preparation techniques such as high pressure water, breakers, grit blasting, scabblers, etc.
All absorbent surfaces must be well saturated with clean water, but free of any surface water or puddles prior to the application of SikaGrout®-215.

MIX RATIO

Consistency             Water (ltr) per 25 kg of grout
Flowable                   4.0 – 4.4
Pourable                   3.6 – 4.0
Stiff                          3.0 – 3.4 (for special applications such as anchoring of starter bars)

MIXING

Place about 70 - 80% of the premeasured clean water (depending on consistency required - refer to “Mix Ratio”) into a clean container and gradually add the whole
bag of SikaGrout®-215 into it while continuously mixing. Add the remaining water until the desired consistency is obtained.

MIXING TIME

Mix for 2 to 3 minutes with a slow speed drill (500 rpm max.).

APPLICATION METHOD / TOOLS

After mixing, stir lightly with spatula for a few seconds to release any entrapped air. Then the grout is then pour immidiately into the prepared formwork. When carrying out baseplate grouting, ensure sufficient pressure head is maintained for uninterrupted mortar flow. For formwork repair, the prepared formwork must be firmly in place and kept watertight. When placing grout over a large area, it is important to maintain a continuous flow throughout. Work sequence must be properly organised to ensure an uninterrupted flow. In large areas, SikaGrout®-215 may be pumped using heavy duty diaphragm pumps. Screw feed and piston pumps may also be used.
Specific Areas of Application

  • Grouting under baseplate – use pourable consistency.
  • Formwork grouting (example deep honeycombs, column reinforcements, etc.):
    - Pouring method – use flowable / pourable consistency.
    - Prepacked method – use flowable consistency.
  • Grouting anchor bolts – use stiff consistency.
  • Grouting large volumes – for sections thicker than 50 mm, it is necessary to fill the SikaGrout®-215 with graded 10 mm silt free aggregates to minimise temperature rise generated during the curing stage. The quantity of aggregates should not exceed 1 part aggregates to 1 part SikaGrout®-215 by weight. For such mixes, a  conventional concrete mixer and pump may be used. To further ensure that air entrapped during mixing is allowed to fully escape, it may be necessary to make breather holes. Use steel rods or chains to assist the flow of grout where necessary.

CLEANING OF TOOLS

Clean all tools and application equipment with water immediately after use.
Hardened and/or cured material can only be mechanically removed.

NOTES OF APPLICATION / LIMITATIONS

At temperatures below +20°C, setting time and strength development will be slower.
Non-shrink grout contains additives which expand either during the plastic stage and / or the hardening stage to compensate for the shrinkage of the cementitious matrix. However, this ‘non-shrink’ property will be effective only if the material is not subjected to water loss.
This is confirmed by a note in the ASTM C 1107 Standard Specification for packaged dry, hydraulic cement grout (non-shrinkable), which clarifies the behaviour of the non-shrink grout when subjected to some drying:
“Note 1: Since all conditions of use cannot be anticipated, this specification requires non-shrink grout to exhibit no shrinkage when tested in a laboratorycontrolled
moist-cured environment, and requires only the reporting of the observed height change, usually shrinkage, when test specimens are subject to some degree of drying.”

CURING

If formwork type repair is used, leave the formwork in place for at least 3 days. Upon removal of the formwork, cure the exposed surfaces immediately with Antisol®-E curing compound or use other approved curing methods

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