Crumb Rubber Modified Bitumen (CRMB 55)

crmb 55

What is Bitumen CRMB 55

CRMB 55 is also called Crumb Rubber Modified Bitumen 55. It is a new kind of asphalt binder that’s changing how we build roads. It’s special because it’s made with recycled rubber and other additives, making it stronger and better for the environment. This article will talk about why CRMB 55 is so great and how it’s being used to build better roads.

 Composition of CRMB 55

The production involves mixing bitumen (a sticky substance used in asphalt) with recycled rubber and other materials to make the asphalt tougher and more environmentally friendly. Manufacturers carefully balance the materials to achieve the desired properties

Benefits and Advantages of CRMB 55

  • It lasts longer: Roads made with it don’t crack or wear out as quickly.
  • It works better: Makes roads more flexible and resistant to damage, so they stay smooth and safe.
  • It’s good for the environment: Because it uses recycled materials, It helps reduce waste and doesn’t rely as much on new resources.

Applications of CRMB 55

It can be used in many types of road projects, like highways, city streets, airport runways, and parking lots. It’s so versatile that it can be used for building new roads or fixing up old ones.


is typically packed in sturdy, leak-proof containers or drums to prevent spillage during transport and storage. Additionally, the packaging should be labeled clearly with product information, handling instructions, and safety precaution

We follow industrial high-quality standards for packaging the product  This ensures that the product is packaged under strict guidelines to maintain its integrity and prevent any damage or contamination during handling, storage, and transportation.

 Pricing of CRMB 55

The pricing may vary depending on factors such as quantity, location, and market demand. It’s advisable to obtain quotes from reputable suppliers and contact our designated Sales Team to get comparatively much butter price, support, and Service.

Handling and Storage:

It should be handled with care to prevent spills and contamination. It should be stored in a cool, dry place away from direct sunlight and sources of heat. Proper ventilation is essential to avoid the build-up of fumes. It’s important to follow safety guidelines and wear protective gear when handling it

Specification of CRMB 55




Penetration at 25°C, 0.1mm, 100g, 5s

< 60

IS 15462-2004

Softening Point (R&B) °C, Min


IS 15462-2004

Fraass breaking point, °C, Max

IS 15462-2004

Flash Point, COC, °C, Mina


IS 15462-2004

Elastic recovery of half thread in ductilometer at 15°C, % Min


IS 15462-2004

Separation, the difference in softening point, R&B, °C, Max


IS 15462-2004

Viscosity at 150°C, Poise

2 to 6

IS 15462-2004

Thin Film Oven Tests and Test on Residue


(a) Loss in mass, % Max.


IS 15462-2004

(b) Increasing in Softening Point, °C, Max


IS 15462-2004

(c) Reduction in penetration of residue at 25°C, % Max


IS 15462-2004

(d) Elastic recovery of half thread in ductilometer at 25°C, % Min


IS 15462-2004

Download the Specification of Bitumen CRMB55



Download the MSDS of Bitumen CRMB 55

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