Product Overview
CRFlex® 55/60 is ITPL’s range of Crumb Rubber Modified Bitumen developed to improve pavement durability under demanding road conditions. This CRMB solution is manufactured by modifying bitumen with crumb rubber derived from recycled tyres and specialised additives.
It is specially formulated using unique technology that enables homogeneity, stability, and consistent properties of the binder. Produced under a controlled manufacturing process, CRMB delivers enhanced flexibility, stability, and resistance to ageing.
As one of the trusted CRMB Manufacturers, ITPL combines advanced formulation technology with stringent quality standards to deliver reliable solutions for modern road infrastructure.
Benefits
- Higher resistance to deformation at elevated pavement temperatures
- Better adhesion between aggregate and binder
- Higher fatigue life and delayed cracking and reflective cracking
- Improved performance under heavy traffic conditions
- Better water resistance
- Resistance to creep and higher indirect tensile strength
- Lower susceptibility to daily and seasonal temperature variations
Why Choose ITPL Crumb Rubber Modified Bitumen?
01
Engineered for Demanding Road Conditions
Roads are exposed to constant traffic loads, temperature fluctuations, and changing weather throughout their lifecycle. ITPL’s Crumb Rubber Modified Bitumen is developed to deliver improved flexibility, durability, and resistance to deformation, helping pavements perform reliably under challenging conditions.
02
Built on Proven Manufacturing Expertise
Every batch of Crumb Rubber Modified Bitumen is produced using a controlled manufacturing process that ensures homogeneity, stability, and consistent binder properties. As trusted CRMB Manufacturers, ITPL combines IndianOil’s refining excellence with advanced modification technology to deliver dependable quality for every project.
03
Reliable Supply Across India
As established CRMB Suppliers, ITPL supports infrastructure projects across the country with consistent product availability and technical assistance. Whether you’re looking for CRMB Suppliers in North India or CRMB Suppliers in South India, our network ensures reliable supply backed by responsive customer support.
Key Technical Parameters of CRFlex® 55/60
As one of the leading CRMB manufacturers, ITPL ensures that every grade of crumb rubber modified bitumen is produced to meet recognised Bureau of Indian Standards (BIS) requirements.
| Property | Requirement CRFlex® 55 | Requirement CRFlex® 60 | Method Reference |
|---|---|---|---|
| Penetration at 25°C, 0.1mm, 100gm.5Sec | 60 – 30 | 50 – 20 | IS 1203-1978 |
| Softening Point, (R & B), °C, Min | 55 | 60 | IS 1205-1978 |
| Flash Point, COC, °C, Min. | 220 | 220 | IS 1209-1978 |
| Elastic Recovery of half thread in ductilometer 15°C, %, Min | 60 | 60 | Annexure-A 17079:2019 |
| Complex Modulus (G*/Sin δ) as Min. 1 kPa at 10 rad/s, at a temperature °C. | 64 | 70 | 15462:2019 |
| Separation, difference in Softening point (R & B), °C, Max | 4 | 4 | Annexure-B 17079:2019 |
| Viscosity at 150°C, Poises | 4 - 8 | 6 - 12 | 1206 (Part 2) |
| Thin film oven test on residue | |||
| Loss in Mass, %, Max | 1 | 1 | IS 9382-1979 |
| Increase in Softening point, °C, Max | 5 | 5 | IS 1205-1978 |
| Reduction in penetration of residue, at 25 °C, %, Max | 35 | 35 | IS 1203-1978 |
| Elastic Recovery of half thread in ductilometer 25 °C, %, Min | 35 | 35 | Annexure-A 17079:2019 |
| Complex Modulus (G*/Sin δ) as Min. 2.2 kPa at 10 rad/s, at a temperature °C | 64 | 70 | 15462:2019 |
| Procedure | Recommended Temperature Range |
|---|---|
| Mixing / Coating with Aggregates | 170 - 185 °C |
| Laying of Mix | 150-170 °C |
| Beginning of Compaction | Over 140 °C |
| End of Compaction | 110-120 °C |
Product Certifications: Bureau of Indian Standards (BIS): CM/L – No – 8400162409.
Download Specification
The product brochure covers application guidance, technical parameters, and compliance details of our crumb rubber modified bitumen range.
Frequently Asked Questions
CRMB bitumen provides higher resistance to cracking, including reflective cracking, and improves the fatigue life of pavements. Its enhanced properties help roads maintain structural stability even under extreme climatic conditions.
Yes, CRMB bitumen performs well under heavy traffic conditions and varying temperatures. It offers better water resistance, improved tensile strength, and lower susceptibility to daily and seasonal temperature fluctuations.