Medium Temperature Solid Asphalt Particles

Updated: 2026-08-05

Overview

Medium-temperature solid asphalt granules are a processed form of asphalt designed for easier handling and controlled melting characteristics. These granules typically range from 2-10mm in diameter and are produced by cooling and crushing asphalt into uniform particles. Unlike conventional asphalt blocks, the granular form allows for precise measurement and faster melting when needed. This makes them particularly useful in applications requiring controlled heating processes or where transportation and storage efficiency are important factors.

Physical and Chemical Properties

Medium-temperature solid asphalt granules possess a softening point typically between 60-90°C, making them suitable for applications where high-temperature asphalt would be impractical. Their granular form provides a higher surface area to volume ratio compared to solid blocks, facilitating more uniform heating and melting. The chemical composition consists mainly of complex hydrocarbons with small amounts of heterocyclic compounds and metals. The material is hydrophobic and demonstrates excellent waterproofing characteristics. Its viscosity when melted can be adjusted through temperature control, allowing for precise application in various industrial processes.

Main Applications

The primary use of medium-temperature solid asphalt granules is in road construction and repair, where they serve as a convenient form of asphalt for patching and surface treatments. Their controlled melting properties make them ideal for cold climate applications where traditional asphalt might cool too quickly. In industrial settings, these granules are widely used in waterproofing membranes, roofing materials, and as a binder in certain types of insulation. The construction industry values them for their ease of handling in automated application systems compared to bulk asphalt materials.

Safety and Storage

When stored properly in dry conditions below 40°C, medium-temperature solid asphalt granules have excellent shelf stability. They should be kept away from open flames and heat sources, as the material becomes flammable when heated above its melting point. Workers handling hot asphalt should wear appropriate PPE including heat-resistant gloves, eye protection, and respiratory equipment when fumes are present. Proper ventilation is essential during melting operations to prevent accumulation of potentially harmful vapors.

B2B Procurement Guide

When procuring medium-temperature solid asphalt granules, buyers should specify the desired softening point range (typically expressed in °C) and penetration index to ensure material suitability for the intended application. Bulk purchases often qualify for significant price discounts. Quality verification should include testing for consistency in granule size distribution and absence of contaminants. Reputable suppliers will provide material safety data sheets and technical specifications. Buyers should consider logistics carefully, as while the granular form is easier to handle than liquid asphalt, it still requires proper transportation and storage facilities.