Concrete Admixtures · Shotcrete admixtures

Sika® Sigunit® SA 160

Name: Sika® Sigunit® SA 160
Brand: Sika
SKU: Sika-MRoc-SA-160

Alkali-Free, Liquid, High-Performance Set Accelerator for Sprayed Concrete

Sika TDS Reference

Catalogue reference Listed for technical reference. Not currently stocked — ask us for the nearest available alternative.

SKU: Sika-MRoc-SA-160
Category: Concrete Admixtures, Shotcrete admixtures, Concrete
Brand: Sika
Packing: Drums / IBC / bulk (refer to current packaging / price list)

Fast Setting Rapid setting for quick work progress and thick layers.
Early Strength Continuous early-age strength development.
Low Rebound Reduced rebound with correct nozzle technique.
Low Dust Low dust generation for a better working environment.
Durable High durability and enhanced long-term strength.

Download Technical Data Sheet (PDF) Request MSDS

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Key benefits

Fast Setting
Early Strength
Low Rebound
Low Dust
Durable
Alkali-Free

Sika® Sigunit® SA 160 — Alkali-Free, Liquid, High-Performance Set Accelerator for Sprayed Concrete

Sika® Sigunit® SA 160 is a liquid, high-performance, alkali-free set accelerator for sprayed concrete, whose dosage can be varied to achieve the desired setting and hardening times. It provides fast setting, continuous early-age strength development, high durability and enhanced long-term strength, with low dust generation and the possibility of low-rebound application. Suitable for hot and tropical climates.

Recommended uses

Wet-mix sprayed concrete (shotcrete) for ground support
Tunnel and mine linings
Rock and slope stabilisation
Layered thick shotcrete linings
Acceleration of cementitious grouts

Tags "Sika Pakistan" #MCT CHEMICALS Construction Chemicals Sika Distributor Pakistan Sika Sigunit SA 160

Technical information

Verified performance data for Sika® Sigunit® SA 160, taken directly from the Sika Pakistan Product Data Sheet.

Sika® Sigunit® SA 160 — technical data
Packaging	1000 Litre IBC
Appearance / Colour	Beige Suspension
Shelf Life	If stored in tightly closed original containers under the described storage conditions, it has a shelf life of 12 months from date of manufacture. Periodical remixing can extend the shelf life further
Density	1.420 -1.480 (SG @ 25°C)
pH Value	1.5 – 3.0
Viscosity	300 – 1000 mPa.s (Brookfield, + 20°C) (Viscosity is dependent on degree of product agitation and temperature)
Total Chloride Ion Content	<0.1% Equivalent Sodium Oxide <0.1%

Source: Sika Sigunit shotcrete-accelerator product identity (Sika Pakistan). Full numerical specifications: request the latest Sika Pakistan PDS.

Packaging & storage

Packaging

Drums / IBC / bulk (refer to current packaging / price list)

Storage

Store in undamaged, unopened, original sealed packaging in dry conditions, protected from direct sunlight and frost. Refer to the PDS for exact storage temperature and shelf life.

Application guide

Application guide (5 easy steps)

Mix DesignDesign a suitable shotcrete mix and verify it in field trials before the project. A low water/binder ratio gives faster setting, higher early strength and lower accelerator dosage.
Determine DosageEstablish the accelerator dosage by preliminary testing. Dosage is typically a percentage of binder weight; overdosing can reduce final strength. Confirm the exact rate from the current Sika Pakistan PDS.
Dosing at the NozzleAdd the accelerator at the nozzle using an accurate, constant liquid dosing system. Draw material from the bottom of the drum and do not use a filter on the suction hose.
SprayingSpray using correct nozzle angle and distance to achieve good compaction and low rebound, building up the lining in layers as required.
CleaningThoroughly clean the dosing equipment and hoses after use as directed by the method statement.

Follow the official Sika Technical Data Sheet for full application details.

FAQs

Frequently asked questions

What is Sika® Sigunit® SA 160?

Alkali-Free, Liquid, High-Performance Set Accelerator for Sprayed Concrete. It accelerates the setting of sprayed concrete for rapid ground support.

How is it dosed?

Added at the nozzle by an accurate liquid dosing system; the dosage is a percentage of binder weight determined by preliminary testing.

What is it used for?

Wet-mix shotcrete for tunnels, mines, rock/slope stabilisation and thick layered linings.

Does overdosing matter?

Yes, overdosing can reduce final strength, so dosage must be controlled and verified by trials.

Where are the full technical specifications?

Detailed dosage and performance figures are in the current official Sika Pakistan Product Data Sheet, available on request.

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