MC-Bauchemie Centrament Flow 200
MC-Bauchemie’s mid-range PCE superplasticiser that cuts water demand by 15-25% and holds workability for up to 90 minutes across ready-mix, precast and structural pours.
What is it?
A chloride-free, liquid polycarboxylate ether (PCE) superplasticiser from MC-Bauchemie, engineered as a mid-range water reducer for C25-C50 structural concrete.
Where is it used?
Ready-mix plants, precast yards and site batching for buildings, bridge substructures, retaining walls, basements and industrial floor slabs across Delhi NCR and pan-India.
Why use it?
It delivers 15-25% water reduction and 60-90 minutes of slump retention at a modest 0.5-1.5% dosage, so mixes stay pumpable and dense without the abrupt behaviour of top-tier high-range admixtures.
How is it applied?
Dosed into the mixing water or added at the batching plant at 0.5-1.5% by mass of cementitious content, then mixed thoroughly to a target slump of 150-200 mm.
About MC-Bauchemie Centrament Flow 200
Centrament Flow 200 sits in MC-Bauchemie’s well-established Centrament admixture family as a dependable, mid-range polycarboxylate ether superplasticiser. It is built for the everyday reality of Indian concreting: OPC, PPC and PSC blends, long transit times in traffic, and the need to place workable, cohesive concrete without loading up on water. Rather than chasing the extreme flow figures of premium high-range admixtures, this product targets the sweet spot that most C25 to C50 structural work actually needs, which makes it forgiving on the batching floor and predictable in the truck.
For engineers and contractors, that predictability is the real value. The admixture reaches a placeable 150-200 mm slump at a water-cement ratio around 0.40 to 0.48, holds that workability for roughly 60 to 90 minutes at 25 degrees Celsius, and does so while staying chloride-free and compliant with IS 456 limits. Space Arc Engineering supplies it as an authorised MC-Bauchemie distributor and applicator, with India-specific technical support so mix designers can trial the right dosage against their own aggregates, cement source and site conditions before committing a pour.
The technical insight
The performance comes from the PCE polymer’s comb-shaped molecular structure. A carboxylate backbone anchors onto cement grains as they hydrate, while long polyethylene glycol side chains project outward from each particle. These side chains work by steric hindrance: they physically hold neighbouring cement grains apart, breaking up the flocs that normally trap mixing water. That freed water becomes available for workability instead of being locked inside clumps, which is why the same slump can be reached at a markedly lower water-cement ratio. Because the effect is steric rather than purely electrostatic, it is less sensitive to changes in cement chemistry and gives the gentle, gradual dosage-response curve that makes Centrament Flow 200 easy to fine-tune. The lower w/c ratio directly tightens the capillary pore network in the hardened matrix, so strength, density and durability all improve without any change to the cement content.
Where it is used
- Ready-mixed concrete requiring extended workability through transit and pumping
- C25 to C50 grade structural concrete for residential and commercial buildings
- Precast concrete elements where consistent flow and early density matter
- Bridge substructures, pier caps and other infrastructure pours
- Retaining walls, raft foundations and basement construction
- Industrial floor slabs needing a cohesive, finishable mix
- Pumped concrete over medium delivery distances and heights
- Water-reduced mixes aimed at higher durability and lower permeability
Key advantages
- Reduces water demand by 15-25% at standard dosage, lifting strength and durability at the same cement content
- Retains slump for 60-90 minutes, giving realistic time for transit, waiting and placement
- Chloride-free and compliant with IS 456 limits, so it is safe for reinforced and prestressed concrete
- Gentle dosage-response curve makes it forgiving to batch and easy to adjust on site
- Compatible with OPC, PPC, PSC and low-alkali OPC cements common across India
- Minimal air entrainment, so it does not compromise strength or surface finish
- Improves pumpability and cohesion, reducing bleeding and segregation risk
- Broad IS 9103 Type F / Type G classification suits both water-reducing and flow applications
Limitations & considerations
- As a mid-range PCE it will not reach the very high flow or ultra-low w/c figures of premium high-range admixtures used in self-compacting or high-strength special concrete
- Slump retention shortens in hot weather above the quoted 25 degrees Celsius reference, so summer pours may need dosage or logistics adjustment
- Overdosing beyond the recommended range can cause retardation, bleeding or segregation and should always be trial-verified
- Performance varies with cement source, fines content and aggregate grading, so a site trial mix is essential before production
- Being water-based it must be protected from freezing and requires agitation if stored for long periods
- Not a substitute for a retarder or accelerator where extended set control or early strength is specifically required
Selection & best practice
Always establish the working dosage with a laboratory or plant trial against the actual cement, fly ash or slag, and aggregates you will use, starting near the middle of the 0.5-1.5% range and adjusting to the target slump. Add the admixture to the mixing water or dose it at the batching plant rather than dry-charging it onto aggregates, and allow adequate mixing time for the polymer to disperse fully. Avoid adding it to a dry mix or splitting it across water additions in an uncontrolled way, as this can distort the water-reduction result. Account for ambient temperature: in Delhi NCR summers, plan for faster slump loss and confirm retention over the real transit time rather than the 25 degrees Celsius reference. Keep the drum sealed between 5 and 35 degrees Celsius, protect it from freezing, and agitate long-stored material before use. For prestressed or high-durability work, verify the chloride-free status against your project specification and cross-check the final w/c ratio against IS 456 durability requirements.
Specifications
| Chemistry | Polycarboxylate ether (PCE), chloride-free |
| Function | Mid-range water-reducing superplasticiser |
| Recommended dosage | 0.5 to 1.5% by mass of cementitious material |
| Water reduction | 15 to 25% at standard dosage |
| Slump retention | 60 to 90 minutes at 25 degrees Celsius |
| Typical target slump | 150 to 200 mm at w/c 0.40-0.48 |
| Standards | IS 9103 Type F / Type G; chloride content within IS 456 Table 5 limits |
| Cement compatibility | OPC, PPC, PSC and low-alkali OPC |
| Storage life | 12 months in sealed original container at 5 to 35 degrees Celsius |
Industry use cases
Ready-Mix Concrete
Holds a placeable slump through loading, transit and pumping, so RMC plants can serve medium-distance sites without re-tempering with water.
Precast Manufacturing
Delivers consistent flow into moulds and a denser matrix at lower w/c, supporting good early density and clean demoulded surfaces.
Infrastructure
Suits bridge substructures, retaining walls and foundations where workable, low-permeability concrete improves long-term durability.
Commercial Buildings
Reliable for C25-C50 columns, slabs and cores where predictable workability and finish matter more than extreme flow.
Industrial Flooring
Produces cohesive, low-bleed mixes for large floor slabs that finish well and gain the strength that a reduced water content brings.
Frequently asked questions
Is Centrament Flow 200 chloride-free and safe for reinforced concrete?
What dosage should I use?
How long will the slump last?
How does it compare to a naphthalene-based superplasticiser?
Which cements is it compatible with?
Can it be used for self-compacting or high-strength concrete?
How we position MC-Bauchemie Centrament Flow 200
Centrament Flow 200 is the practical mid-range choice within MC-Bauchemie’s admixture range for everyday C25-C50 structural, ready-mix and precast concrete. Where a project needs stronger air control alongside water reduction, the same Centrament family offers air-entraining options; for set control, MC-Bauchemie’s Centrament Retard and Centrament Rapid accelerators complement it on the same site. If a specification calls for higher-performance flow or self-compacting concrete beyond this product’s mid-range envelope, we also supply Fosroc’s PCE superplasticiser line, including Auramix 200 and the Structuro range, so the mix can be matched to the actual grade and placement rather than forced. As an authorised distributor of multiple brands, Space Arc Engineering can help specifiers pick the right admixture across MC-Bauchemie and Fosroc for the job at hand.
Fosroc Auramix 200 — A specifier may prefer Fosroc Auramix 200 when the mix needs a higher-performance PCE with built-in retarding action for long-haul ready-mix or higher-grade structural concrete beyond Centrament Flow 200’s mid-range envelope.
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Authorised distribution, technical advice & professional application across Delhi NCR and Pan-India.