HINCOL CRS2P (Bulk)
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Product : HINCOL CRS2P
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HINCOL CRS2P
Polymer Modified | Chip Seal | Surface DressingHINCOL CRS-2P is a high-performance Cationic Rapid Setting Polymer Modified Bitumen Emulsion specifically engineered for chip sealing (surface dressing) applications. The polymer modification delivers superior adhesion, elasticity, and resistance to deformation — providing a durable, long-lasting seal that significantly enhances road surface performance under heavy traffic loads and extreme climatic conditions.
As part of HINCOL’s complete range of bitumen emulsions, CRS-2P goes beyond standard RS2 emulsions by incorporating polymer modification that improves the emulsion’s ability to withstand traffic stresses and temperature fluctuations — making it the preferred choice for high-traffic national highways, state highways, and regions with widely varying climatic conditions.
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Enhanced Adhesion
Excellent bonding between aggregate chips and the pavement surface — polymer modification ensures chips remain firmly embedded under heavy traffic, preventing aggregate loss.
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Elasticity & Flexibility
Polymer-modified binder resists cracking and deformation under heavy traffic loads and temperature changes — unlike conventional RS2 emulsions, CRS-2P flexes rather than fractures.
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Improved Durability
Greater resistance to weathering and oxidation extends the service life of chip seal treatments — protecting the underlying pavement from water ingress and UV degradation.
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Fast Curing
Suitable for quick opening to traffic — typically ready in 2 to 4 hours — reducing road closure time and minimising disruption to motorists on busy highways.
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Temperature Resilience
Performs reliably in both hot summer conditions and cold winter environments — the polymer modification maintains flexibility across a wide temperature range.
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Polymer Modified Technology
Backed by COLAS SA France’s global expertise in polymer modified emulsions — the same technology used in road construction across more than 50 countries worldwide.
Technical Specifications — HINCOL CRS2P
Product Properties
- Emulsion Type Cationic Rapid Setting Polymer Modified
- Grade CRS-2P
- Primary Application Chip Seal / Surface Dressing
- Polymer Modified Yes — Enhanced Performance
- Aggregate Size 10 – 14 mm
- Curing Time 2 – 4 Hours
- Shelf Life 6 Months (below 50°C)
Storage & Handling
- Storage Temp: Maintain at 50°C – 60°C in tanks
- Max Heating: Never heat above 85°C
- Equipment: Calibrated distributor truck with spray bars
- Before Use: Stir gently before application to ensure uniformity
- Avoid: Do not freeze. Store away from direct sunlight.
Recommended Rate of Application — CRS2P Chip Seal
Typical application rates for CRS-2P chip sealing. Actual rate depends on road surface condition, aggregate size, and project specification.
| Application Parameter | Specification |
|---|---|
| Typical Application Rate | 1.4 – 2.0 kg / m² |
| Recommended Aggregate Size | 10 – 14 mm (clean, dry, graded) |
| Minimum Roller Passes | 2 – 3 passes (rubber-tired roller) |
| Curing Time before Traffic | 2 – 4 hours (weather dependent) |
| Seal Coat Post-Sweeping | After full curing — remove loose chips |
CRS2P Chip Seal — Step-by-Step Application Procedure
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Surface Preparation
Road surface must be clean, dry, and free from dust, loose particles, and debris. All cracks and potholes must be repaired before application. Sweep or blow off the surface thoroughly.
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Emulsion Handling
Maintain CRS-2P in tanks at 50°C–60°C. Never heat above 85°C. Stir gently before application to ensure uniformity. Use proper clearance pumps — do not over-circulate.
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Emulsion Application
Apply uniformly using a calibrated distributor truck with spray bars at 1.4–2.0 kg/m². Ensure complete, even coverage. Adjust rate for surface condition and aggregate size used.
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Aggregate Spreading
Spread clean, dry, uniformly graded aggregate chips (10–14 mm) immediately after emulsion application — before the binder starts curing. Use a self-propelled chip spreader for uniformity.
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Rolling & Compaction
Use rubber-tired rollers — minimum 2 to 3 passes to properly embed aggregate into the emulsion. Ensure even compaction without displacing chips. Avoid steel-drum rollers.
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Curing & Post-Sweeping
Allow 2–4 hours curing before opening to traffic (longer in cool/damp conditions). Use traffic management measures during curing. After full set, sweep loose chips off the surface.
Key Advantages of HINCOL CRS2P over Standard RS2
✅ Polymer Modified = Longer Life
Polymer modification significantly extends the service life of chip seal treatments compared to standard RS2 — reducing frequency and cost of road maintenance interventions.
✅ Better Chip Retention
Enhanced adhesion between aggregate and binder prevents chip loss under traffic — reducing the risk of loose stone on road surfaces that can damage vehicles.
✅ Crack & Deformation Resistance
Polymer-modified binder flexes under load rather than cracking — preventing reflective cracking from the underlying pavement from propagating through the seal coat.
✅ High Traffic Performance
Designed for high-traffic national and state highways where standard chip seal emulsions may fail prematurely under the cumulative loading of heavy vehicles.
✅ Wide Climate Range
Performs reliably in India’s extreme temperature variations — from hot tropical summers to cold northern winters — without becoming brittle or soft.
✅ Reduced Maintenance Cost
A proper polymer-modified bond means less maintenance is required in the future, reducing roadwork exposure for construction crews and road closure costs.
Safety Precautions — Handling CRS2P
⚠️ Important Safety Guidelines
- Wear appropriate PPE — gloves, goggles, and masks during handling and application
- Avoid direct skin or eye contact with hot emulsion
- Ensure proper ventilation when working with CRS-2P in enclosed or confined areas
- Never heat above 85°C — risk of premature breaking and hazardous fume generation
- Do not allow product to freeze — freezing causes irreversible separation
- Follow local regulations for disposal of excess material and empty containers
- Keep away from direct sunlight and store in a cool, dry place
Packaging & Availability
Available for large highway chip seal projects as well as smaller district road maintenance works across India.
Bulk Supply
For large highway projects
RC Drums
200 Kg per drum
MS Drums
200 Kg per drum
HDPE Drums
200 Kg per drum
Success Story: CRS2P Chip Seal on High-Traffic State Highway
Chip Seal Resurfacing — 40 km State Highway with High Commercial Traffic
Extended Service Life ConfirmedChallenge: A 40 km state highway with a deteriorated surface requiring chip seal resurfacing. The route carries high commercial traffic including heavy trucks — previous standard RS2 chip seals had failed in under 2 years due to chip loss and cracking.
Solution: HINCOL CRS-2P polymer modified chip seal was specified. Superior chip retention and polymer-enhanced flexibility prevented both aggregate loss and reflective cracking — delivering significantly improved surface life compared to earlier RS2 treatments.
Chip Retention Excellent
Surface Life vs RS2 Significantly Longer
Curing Time on Site ~3 Hours
Ready to Order HINCOL CRS2P?
Get in touch with our technical team for pricing, availability, and project-specific guidance. CRS2P is available in Bulk, RC Drums, MS Drums, and HDPE Drums across India.
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Frequently Asked Questions
What is HINCOL CRS2P used for?
HINCOL CRS-2P is a Cationic Rapid Setting Polymer Modified Bitumen Emulsion specifically designed for chip sealing (surface dressing) applications on high-traffic roads. It provides superior adhesion between aggregate chips and the pavement surface, with enhanced elasticity and durability that extends the service life of chip seal treatments compared to standard RS2 emulsions.
What is chip sealing and why is CRS2P preferred for it?
Chip sealing (surface dressing) is a road maintenance technique where a bitumen emulsion is sprayed over an existing pavement and aggregate chips are immediately embedded into it. It seals surface cracks, restores skid resistance, and protects the underlying pavement from water and UV damage. CRS-2P is preferred for high-traffic chip sealing because polymer modification provides significantly better chip retention, crack resistance, and durability compared to standard RS2 or conventional cationic emulsions.
What is the difference between CRS2P and standard RS2 emulsion?
- RS2 (Standard): Rapid setting emulsion for surface dressing — adequate for low-to-moderate traffic roads.
- CRS-2P (Polymer Modified): Contains polymer modification that provides enhanced adhesion, elasticity, crack resistance, and temperature resilience — specifically designed for high-traffic highways and roads with extreme climatic conditions where standard RS2 may fail prematurely.
What is the application rate for CRS2P chip seal?
The typical application rate for CRS-2P is 1.4 to 2.0 kg per square metre, depending on the road surface condition and aggregate size used. The rate should be adjusted to ensure complete and even coverage. Recommended aggregate size is 10–14 mm — clean, dry, and uniformly graded.
How long does CRS2P take to cure before traffic can be opened?
CRS-2P typically requires 2 to 4 hours to cure before traffic can be allowed on the treated surface. In cooler temperatures or damp conditions, the curing time may increase. Traffic control measures should be used during the curing period.
What is the storage temperature for HINCOL CRS2P?
CRS-2P should be stored and maintained in tanks at an optimum temperature range of 50°C to 60°C. Never heat above 85°C. The product has a shelf life of 6 months when stored under optimal conditions below 50°C. Never allow to freeze.
What type of roller is used for CRS2P chip seal compaction?
Rubber-tired rollers should be used for compaction after aggregate spreading. A minimum of 2 to 3 passes is recommended to properly embed the aggregate into the emulsion. Steel-drum rollers should be avoided as they can crush the chips and cause uneven embedment.
What should be done after CRS2P chip seal has cured?
Once the surface has fully cured, post-application sweeping should be carried out to remove any loose aggregate chips that have not adhered to the emulsion. Post-sweeping ensures a cleaner road surface and minimises the risk of loose stone causing vehicle windscreen damage.
What other HINCOL products complement CRS2P in road construction?
- Tack Coat (before overlay): HINCOL Emulsion RS1 or HINCOL HINTAC
- Prime Coat (granular base): HINCOL EMULTRA PLUS SS1 IS
- Standard Surface Dressing: HINCOL Chip Seal Emulsion RS2
- Road Surface Maintenance: HINCOL Emulsion SS2
Where can I buy HINCOL CRS2P?
HINCOL CRS-2P is available online on the L&T SuFin B2B marketplace with GST invoice. For bulk pricing, availability, and technical support, request a quotation from HINCOL.
Certified Quality
Polymer Modified Cationic Rapid Setting | Chip Seal Specialist | ISO 9001:2015 | COLAS SA Global Technology | NABL-Accredited Lab Testing
ISO 9001:2015
Polymer Modified
CRS-2P Grade
NABL Lab