Particles are larger than sand and finer than rubble (2-100mm) is named gravel.
The most commonly used standard, defines the coarse gravel particles between two 3 and 4inch.
This type of product is classified as coarse gravel, with a particle size of 25 to 85mm, and occasionally with a particle size of 8 to 80mm, and is named as coarse gravel or stopper.
Gravel material is used in the subgrade of harbors, breakwaters, foundations, and roadbeds with specific properties to prevent sliding and so on.
Currently Zarrin Shen Company has the capability of producing this type of special materials with any kind of grading and currently produce for domestic and foreign market.
For other test results on the materials, please refer to the “Quality Control and Laboratory” section.