Fosroc Auracast 270M
High-performance polycarboxylic ether (PCE) superplasticiser engineered for the precast concrete industry — delivering high early strength and workability retention. Supplied by Space Arc Engineering, an authorised Fosroc distributor and applicator across Delhi NCR and Pan-India.
What is it?
Fosroc Auracast 270M is a high-performance superplasticiser (high-range water reducer) based on a new-generation polycarboxylic ether (PCE) polymer with a long lateral chain. It is a light brown liquid that is instantly dispersible in water and works through an electrostatic dispersion mechanism.
Where is it used?
Purpose-built for the precast concrete industry where high early strength and workability retention are critical — precast yards, factory-cast structural elements, and high-performance concrete incorporating cement-replacement materials such as fly ash, GGBFS or micro silica.
Why use it?
It considerably reduces the water demand of flowable concrete, supports high early strength for faster mould turnaround, and complies with IS:9103:1999 and ASTM C494 Type F & G (depending on dosage), giving precasters a code-compliant, productivity-focused admixture.
How is it applied?
Dosed at a normal rate of 0.3 to 1.5 percent by weight of total cement or binder content, added to the mix water. Because it is instantly dispersible, it integrates rapidly during batching. Trial mixes are recommended to optimise dosage for each mix design and ambient condition.
About Fosroc Auracast 270M
Space Arc Engineering supplies Fosroc Auracast 270M, a high-range water-reducing superplasticiser purpose-built for modern precast concrete production in India. It sits on a new-generation polycarboxylic ether (PCE) polymer with a long lateral chain rather than the older chemistries it replaces — the molecular feature behind its performance: the long side chains drive an electrostatic dispersion mechanism that separates cement particles and considerably cuts the water demand of flowable concrete.
In appearance, Auracast 270M is a light brown liquid that is instantly dispersible in water, allowing it to integrate quickly and uniformly during batching. It is engineered specifically for the precast concrete industry, where producers need both high early strength — to strike moulds and turn around beds faster — and dependable workability retention so that mixes remain placeable through transport and casting.
A key reason precasters and ready-mix specifiers in Delhi NCR and across India choose Auracast 270M is its suitability for high-performance concrete and cement-replacement strategies. It performs effectively in mixes incorporating supplementary cementitious materials such as fly ash, GGBFS (ground granulated blast-furnace slag) and micro silica — materials widely used in Indian infrastructure and precast work for durability and sustainability gains.
Auracast 270M complies with IS:9103:1999 as a superplasticizer and meets ASTM C494 Type F and G (depending on dosage), giving design and QA teams clear, recognised benchmarks for specification and approval. As an authorised Fosroc distributor and applicator, Space Arc Engineering supplies genuine Auracast 270M with technical support for dosage optimisation and mix-design guidance. Where a project calls for alternative PCE admixtures, comparable products exist in the market from BASF MasterGlenium, Sika ViscoCrete and Chryso — but for Fosroc-specified precast work, Auracast 270M remains the lead recommendation.
The technical insight
The performance of Auracast 270M stems from its polycarboxylic ether (PCE) backbone with long lateral chains. When the admixture disperses into the mix water, these side chains adsorb onto cement particles and generate an electrostatic dispersion effect that pushes particles apart. The practical result is a considerable reduction in the water demand of flowable concrete: the same workability is achieved at a lower water-to-binder ratio, which in turn supports the high early strength and durability that precast operations require. Because the polymer is instantly dispersible in water, it acts quickly during batching rather than relying on prolonged mixing. Its classification under ASTM C494 as Type F (high-range water-reducing) and Type G (high-range water-reducing and retarding) is dosage-dependent — meaning the same product can be tuned across a range from straightforward water reduction toward water reduction with set control, depending on the dosage selected within the 0.3 to 1.5 percent by weight of binder range. Trial mixing remains essential to confirm behaviour with specific cements, SCMs and aggregates.
Where it is used
- Precast concrete elements requiring high early strength and fast mould turnaround
- High-performance concrete with low water-to-binder ratios
- Concrete mixes using cement replacement materials — fly ash, GGBFS and micro silica
- Flowable concrete where reduced water demand is critical to strength and durability
- Factory-cast structural components in controlled precast yards
- Workability-retention-sensitive pours where placement time matters
Key advantages
- High-performance, high-range water reduction based on new-generation PCE polymer
- Promotes high early strength for faster precast bed and mould cycling
- Maintains workability retention for reliable transport and placement
- Considerably reduces the water demand of flowable concrete via electrostatic dispersion
- Instantly dispersible in water for rapid, uniform batching
- Compatible with cement replacement materials (fly ash, GGBFS, micro silica)
- Complies with IS:9103:1999 and ASTM C494 Type F & G (dosage-dependent)
- Supplied genuine through an authorised Fosroc distributor with technical support
Limitations & considerations
- Optimised for precast and high-performance concrete; dosage must be trial-tuned to each mix design
- Dosage outside the recommended 0.3 to 1.5 percent by weight of binder range should not be assumed without trials
- Performance depends on cement and SCM type, so site verification is recommended
- ASTM C494 classification (Type F vs G) shifts with dosage and must be confirmed for the intended use
- Should be stored between 5C and 50C to preserve shelf life and performance
Selection & best practice
Always conduct trial mixes to fix the optimum dosage within the 0.3 to 1.5 percent by weight of total cement or binder content range for your specific mix design, cement source, SCM blend (fly ash/GGBFS/micro silica) and ambient conditions. Add Auracast 270M to the mix water rather than dry materials to leverage its instant dispersibility. Store sealed drums between 5C and 50C and use within the 12-month shelf life. For Fosroc-specified precast projects, engage Space Arc Engineering early for dosage optimisation and code-compliance documentation (IS:9103:1999 / ASTM C494).
Specifications
| Chemical base | New-generation superplasticiser based on polycarboxylic ether (PCE) polymer with long lateral chain |
| Type | High-performance superplasticiser (high-range water reducer) |
| Appearance | Light brown liquid, instantly dispersible in water |
| Dispersion mechanism | Electrostatic dispersion mechanism; considerably reduces water demand in flowable concrete |
| Dosage | Normal dosage 0.3 to 1.5 percent by weight of total cement or binder content |
| Standards compliance | Complies with IS:9103:1999 as a superplasticizer and ASTM C494 Type F and G (depending on dosage) |
| Primary use | High performance superplasticiser for precast concrete for high early strength and workability retention; also for cement replacement (fly ash/GGBFS/micro silica) and high performance concrete |
| Packaging | 200 kg drums and bulk tankers |
| Shelf life | Minimum 12 months (stored between 5C and 50C) |
Industry use cases
Precast Concrete Manufacturing
Enables high early strength so precast yards can strike moulds and re-cast beds faster, improving daily throughput while maintaining workability retention during casting.
High-Performance Concrete
Supports low water-to-binder ratios through high-range water reduction, helping deliver the strength and durability targets demanded by HPC specifications.
Sustainable / SCM Concrete
Works in mixes using cement replacement materials such as fly ash, GGBFS and micro silica, supporting lower-clinker, more durable concrete common in Indian infrastructure.
Structural Precast Elements
Suited to factory-cast structural components where consistent flow, reduced water demand and reliable early strength are essential to production scheduling.
Frequently asked questions
What is Fosroc Auracast 270M?
What is the correct dosage for Auracast 270M?
Which standards does Auracast 270M comply with?
Can Auracast 270M be used with fly ash, GGBFS or micro silica?
How does Auracast 270M work?
How is Auracast 270M packaged and stored?
Is Auracast 270M a mid-range admixture?
Where can I buy genuine Fosroc Auracast 270M in India?
How we position Fosroc Auracast 270M
Lead Fosroc recommendation for high-performance, high-early-strength precast concrete. Positioned as a code-compliant (IS:9103:1999 / ASTM C494 Type F & G) high-range PCE superplasticiser, supplied genuine by Space Arc Engineering as an authorised Fosroc distributor and applicator in Delhi NCR and Pan-India. Comparable PCE alternatives include BASF MasterGlenium, Sika ViscoCrete and Chryso, but Auracast 270M is the preferred choice for Fosroc-specified precast and high-performance concrete work.
Related Concrete Admixtures products
Source Fosroc Auracast 270M for your project
Authorised distribution, technical advice & professional application across Delhi NCR and Pan-India.