HINCOL Emulsion RS2 (Bulk)
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HINCOL Emulsion RS2
High Viscosity | Surface Dressing | IS 8887:2004HINCOL Emulsion RS2 is a specially designed water-based Bitumen Emulsion with high viscosity and fast setting time — ideally suited for Surface Dressing (Chip Seal), Grouting, and Penetration Macadam applications in road construction and maintenance. Chocolate brown in colour and free-flowing at ambient temperature, it is manufactured strictly as per IS 8887:2004.
As part of HINCOL’s complete bitumen emulsion range, RS2 is the high-viscosity counterpart to RS1 — engineered specifically for surface treatment applications where a heavier binder film is required for strong aggregate retention and durable weatherproofing of road surfaces. Its rapid setting characteristic ensures quick break upon contact with aggregate, locking chips firmly in place and reducing road closure time.
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No Heating Required
Applied directly at ambient temperature — eliminating energy costs, special equipment, and fire hazards associated with hot bitumen application.
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Fast Setting Time
Rapid setting on contact with aggregate ensures quick curing and faster opening to traffic — reducing road closure time and traffic disruption on busy routes.
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High Adhesive Properties
Strong bonding between aggregate chips and the road surface — minimising aggregate loss (stone scatter) under traffic loads.
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Surface Rejuvenation
Seals aged and weathered bituminous surfaces — restoring waterproofing, preventing further oxidation, and extending pavement service life.
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Environment Friendly
Water-based emulsion — no petroleum solvents, minimal VOC, safer for construction workers and surrounding environment.
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Cost Efficient
Low-cost preventive maintenance treatment that extends road life significantly — one of the most economical surface treatment methods for low and medium traffic roads.
Technical Specifications — HINCOL Emulsion RS2
Typical Properties (IS 8887:2004)
- Emulsion Type Cationic Rapid Setting (RS2)
- Standard IS 8887:2004
- Colour Chocolate Brown
- Physical Form Free-flowing liquid at ambient temp
- Residue on 600µm Sieve % Max 0.05
- Viscosity @ 50°C (Saybolt), sec 100 – 300
- Storage Stability 24h % Less than 1
- Binder Residue by Evaporation % Min67%
- Coagulation at Low Temperature NIL
- Shelf Life 12 months (store 10–50°C)
Application Guidelines
- Temperature: Apply at ambient temperature — no heating required
- Equipment: Calibrated bitumen distributor with spray bars
- Before Use: Roll drums 5 times before use; never dilute with solvent
- Rate: 28–32 kg/10m² for two-coat surface dressing
- Caution: Do not dilute with solvent. Store 10–50°C, never freeze.
✅ To Ensure Best Results — HINCOL RS2
- Use without diluting with any solvent — dilution changes viscosity and breaks setting characteristics
- Apply at ambient temperature — no pre-heating required or recommended
- Roll drums 5 times before opening to ensure uniform consistency throughout
- Ensure aggregate is clean, dry and dust-free before spreading over emulsion
- Spread aggregate immediately after emulsion application — before it starts setting
Recommended Rate of Application — RS2 Surface Dressing
From HINCOL RS2 product datasheet. Final rate determined by supervising engineer based on surface condition, porosity, and aggregate size.
| Application Type | Rate |
|---|---|
| Two-Coat Surface Dressing (Standard) | 28–32 kg / 10 m² |
| Single-Coat Surface Dressing | 15–20 kg / 10 m² |
| Grouting / Penetration Macadam | As per project specification |
RS1 vs RS2 — Which Emulsion to Use?
Both are Cationic Rapid Setting emulsions per IS 8887:2004. The right choice depends on your application.
| Parameter | HINCOL Emulsion RS1 | HINCOL Emulsion RS2 |
|---|---|---|
| Grade | RS1 | RS2 |
| Viscosity (Saybolt) | Low — @ 25°C | High — 100–300 sec @ 50°C |
| Binder Residue Min | ~60% | 67% (Higher) |
| Primary Use | Tack Coat between layers | Surface Dressing, Grouting |
| Application Rate | 0.2–0.3 kg/m² (2–3 kg/10m²) | 28–32 kg/10m² (two-coat) |
| Aggregate Used | No aggregate — bonding film only | Aggregate chips embedded in emulsion |
| Suitable For | DBM-to-SDBC interlayer bond | Road surface sealing & maintenance |
Types of Surface Dressing — Where RS2 is Used
RS2 emulsion supports all standard surface dressing construction methods. Choose the type based on traffic level, surface condition, and design life requirement.
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Single Layer (Standard)
One coat of RS2 emulsion followed by one layer of aggregate chips. Suitable for rural roads, low-volume roads, and preventive maintenance on lightly trafficked surfaces.
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Single Binder — Double Seal
One binder coat with two layers of aggregate (different sizes). Provides better interlock and improved skid resistance. Suited for moderate traffic roads.
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Double Layer (Two-Coat)
Two coats of RS2 emulsion with two aggregate layers. The standard for high-traffic roads — rate 28–32 kg/10m². Provides maximum durability, chip retention, and waterproofing.
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Sandwich Method
Aggregate spread before and after emulsion application. Creates a textured, skid-resistant surface on roads where aggregate retention is critical.
Why Choose HINCOL Emulsion RS2 for Surface Dressing?
✅ High Viscosity = Better Chip Retention
Higher viscosity (100–300 sec @ 50°C) provides a thicker, more robust binder film — keeping aggregate chips firmly embedded and reducing stone scatter on newly treated surfaces.
✅ High Binder Residue (Min 67%)
Higher residual binder content means more bitumen film per unit area after the water evaporates — delivering better aggregate binding and surface protection.
✅ No Heating = Safer & Cheaper
Eliminates the cost, equipment, and safety hazards of heating bitumen to 150–180°C. RS2 can be applied straight from drums at site temperature.
✅ Extends Pavement Service Life
Seals oxidized and weathered surfaces against water ingress and UV degradation — adding years to the useful life of existing bituminous pavements at low cost.
✅ Low-Cost Maintenance Solution
One of the most economical road maintenance treatments available — particularly effective for rural roads, district roads, and preventive maintenance before structural damage occurs.
✅ Suitable for Grouting & PM
Beyond surface dressing, RS2’s high viscosity makes it the right choice for Grouting (filling voids) and Penetration Macadam — versatile across multiple road construction applications.
Packaging & Availability
Bulk Supply
For large road projects
RC Drums
200 Kg per drum
MS Drums
200 Kg per drum
HDPE Drums
200 Kg per drum
Ready to Order HINCOL Emulsion RS2?
Get in touch for pricing, availability, and project-specific guidance. RS2 is available in Bulk, RC Drums, MS Drums, and HDPE Drums across India.
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Frequently Asked Questions
What is HINCOL Emulsion RS2 used for?
HINCOL Emulsion RS2 is used for Surface Dressing (Chip Seal), Grouting, and Penetration Macadam in road construction and maintenance. Its high viscosity and fast setting time make it ideal for surface treatment applications where a durable, chip-retaining binder film is required to protect and extend pavement life.
What is Surface Dressing and where is RS2 used?
Surface Dressing (also called Chip Seal) is a road maintenance treatment where a bitumen emulsion is sprayed over an existing pavement and aggregate chips are immediately spread and rolled into it. It seals the surface, restores skid resistance, and extends pavement life at low cost. HINCOL RS2 is used for all types of surface dressing — single coat, double coat, sandwich, and penetration macadam. The standard rate for two-coat surface dressing is 28–32 kg per 10 sq.m.
What is the difference between RS1 and RS2 emulsion?
- RS1 (Low Viscosity): Used for tack coat between bituminous layers — thin bonding film, rate 0.2–0.3 kg/m², no aggregate involved.
- RS2 (High Viscosity): Used for surface dressing, grouting, and penetration macadam — heavier binder film, rate 28–32 kg/10m² with embedded aggregate chips, minimum 67% binder residue.
RS2 has higher viscosity (100–300 sec @ 50°C) and higher residual binder content than RS1 — necessary for holding aggregate chips firmly in a surface dressing application.
What is the application rate for HINCOL RS2?
The typical application rate of HINCOL Emulsion RS2 for two-coat surface dressing is 28–32 kg per 10 sq.m. For single-coat surface dressing, rates are lower. The exact rate is determined by the supervising engineer based on surface condition, porosity, and aggregate size being used.
Does RS2 require heating before application?
No. One of the key advantages of HINCOL Emulsion RS2 is that it is applied directly at ambient temperature — no heating required. This eliminates energy costs and the safety hazards associated with heated bitumen application. Roll drums 5 times before use to ensure uniform consistency.
Can HINCOL RS2 be diluted before use?
No. HINCOL Emulsion RS2 should not be diluted with any solvent. Dilution changes the emulsion’s viscosity and breaking characteristics, which can result in poor aggregate adhesion and premature failure of the surface dressing treatment.
What standard does HINCOL RS2 conform to?
HINCOL Emulsion RS2 is manufactured strictly as per IS 8887:2004 — the Indian Standard for Cationic Bitumen Emulsion for Roads. It is classified as a Cationic Rapid Setting (RS) emulsion Grade 2.
What is the shelf life and storage requirement for RS2?
HINCOL Emulsion RS2 has a shelf life of 12 months when stored at temperatures between 10°C and 50°C. Store away from direct sunlight. Never allow to freeze (below 0°C) or overheat (above 85°C). Always reseal containers after use.
What packaging is available for HINCOL Emulsion RS2?
HINCOL Emulsion RS2 is available in: Bulk (tanker) for large road projects, RC Drums 200 Kg, MS Drums 200 Kg, and HDPE Drums 200 Kg for smaller projects and site delivery.
What other HINCOL products are used with RS2 in road maintenance?
- Before laying overlay (Tack Coat): HINCOL RS1 or HINCOL HINTAC
- Premium polymer-modified chip seal: HINCOL CRS2P (for high-traffic roads)
- Fog Seal / Slurry Seal: HINCOL SS2
- Prime Coat (before RS2 surface dressing zone): HINCOL HINPRIME SS1 ASTM
Certified Quality
IS 8887:2004 | Cationic Rapid Setting RS2 | High Viscosity — 100–300 sec @ 50°C | Binder Residue Min 67% | ISO 9001:2015 | NABL-Accredited Lab Testing
IS 8887:2004
ISO 9001:2015
RS2 Grade
NABL Lab