Bitumen, often referred to as asphalt, is a viscous, black, and sticky substance. It is a semi-solid form of petroleum and is primarily used as a binder in road construction. When mixed with aggregates, it forms asphalt concrete, the material commonly used for paving roads. Primary Characteristics: Appearance: Thick, black to dark brown substance. Temperature Sensitivity: Becomes liquid when heated and returns to a semi-solid state upon cooling. Water Resistance: Acts as a waterproofing agent, making it ideal for various sealing applications. Adhesion: Excellent adhesive properties, allowing it to bind aggregates together effectively. Grades & Types: Bitumen comes in various grades, primarily determined by its viscosity and penetration value. Common types include: Paving Grade Bitumen: Used in road construction. Oxidized Bitumen: Produced by air blowing and has stiffer properties. Cutback Bitumen: Bitumen diluted with solvents to reduce viscosity for specific applications. Modified Bitumen: Bitumen altered with polymers to enhance its properties. Applications: Road Construction: Mainly used as a binder mixed with aggregates to pave roads. Roofing: Used as a waterproofing agent in roofing felts. Dams & Reservoirs: Acts as a waterproofing membrane. Soundproofing: Used in soundproofing materials due to its insulating properties. Advantages: Durability: Offers a long-lasting paving solution, able to withstand various weather conditions. Cost-effective: Provides a reliable and economical material for large-scale infrastructure projects. Recyclable: Old bituminous roads can be reprocessed to produce new roads.
Rough Sapphire in matrix. In various sizes origen Madagascar
Rough Emeralds Can also be cut and polished upon requests.
Olive oil, fruits and vegetables, fish and seafood, mineral water, spices, coconut oil, juice.
Semi-precious gemstones.
Raw amethyst, amethyst.
Gemstones like tourmaline, aquamarine, peridot, kunzite, morganite.
Cocoa beans.
Semi Precious Stones.
Palm kernel, coconut.
Amethyst violet.
Small precious stones.
Carved high quality semi precious stone, beads, pendants.
Coconut Sprout.
Amber stone.
Emerald stones, gemstones, aquamarine.
Hardwood charcoal, dried/smoked barracuda fish, cashew nuts, gemstones, cocoa, coffee.Clearing services, buying agents
Precious gemstones like ruby, sapphire, emeralds.
Precious gemstones like ruby, sapphire, emeralds.
Precious gemstones like ruby, sapphire, emeralds.
