Hollow Cenospheres Ash Beads for Oil Drilling 20-80 Mesh Fly Ash Cenospheres

• Customization: Available
• Feature: Good Acid Resistance, Good Mechanical Strength, High Refractoriness, Low Thermal Conductivity, Permeability, Thermal Shock Resistance, Volume Stability
• Production Process: Plastic Forming
• Model NO.: HZ-CE32311
• Refractoriness (℃): 1580< Refractoriness< 1770
• Shape: Powder
• Type: Quartz Sand
• MOQ: 1kg
• Logo: OEM
• Delivery: 5-17 Days
• Color: White/Gray
• Transport Package: 25 Kg /Bag
• Specification: 325mesh-6000mesh
• Trademark: OEM
• Origin: Hebei, China
• HS Code: 262190009
• Production Capacity: 1500ton/Month

Product Description

Product Description

Hollow cenospheres, also called ash beads, are lightweight hollow mineral particles extracted from fly ash, with 20-80 mesh specification making them perfectly suited for oil drilling. As a cost-effective and high-performance additive, they bring key benefits to oil drilling operations, making them a valuable choice for your oilfield supplies product line.
Their core advantage lies in hollow structure and optimized 20-80 mesh particle size. The hollow design gives them ultra-light weight, which helps reduce density of drilling fluid when added. In oil drilling, controlling drilling fluid density is critical—too high may damage reservoir, too low can't balance formation pressure. These cenospheres adjust density precisely, protecting reservoir while ensuring drilling stability, a key pain point solved for drilling companies.
The 20-80 mesh specification enhances their practicality in drilling. Particles of this size disperse evenly in drilling fluid, avoiding clumping that could block drill bits or pipelines. They also form a stable filter cake on wellbore walls, preventing fluid loss into formation and reducing wellbore collapse risks. Compared to finer or coarser alternatives, 20-80 mesh cenospheres strike perfect balance between dispersion and filtration, adapting to most oil drilling conditions.
Durability and compatibility add to their appeal. They resist high temperatures and pressure common in deep oil drilling, maintaining hollow structure without breaking. They blend seamlessly with various drilling fluid formulations, whether water-based or oil-based, without affecting other additive functions. Being derived from fly ash, they are eco-friendly and cost-effective—lower in price than synthetic lightweight additives while reducing waste, aligning with green drilling trends.

Specification

Item	Value
Place of Origin	China
	Hebei
Shape	Powder;Ball
Refractoriness (Degree)	1770°< Refractoriness< 2000°
Product name	Cenosphere;Fly Ash
Appearance	Gray ball ;White ball ;Gray powder;White  powder
HS Code	6815190090
CAS	93924-19-7
Size	20 Mesh,40mesh,100mesh
Application	Coating
Advantage	High Thermal Stability
MOQ	1 kg
Port	Tianjin
Delivery time	4-10days

Application

Cenospheres are lightweight, hollow mineral particles with unique properties like heat resistance, insulation, and chemical stability. These traits make them valuable in many industrial applications. They are collected from fly ash, a byproduct of coal combustion, and processed to retain their hollow structure, which brings lightness and strength to end products without adding extra weight.
In the construction industry, cenospheres are widely used as additives in concrete and insulation materials. Mixed into concrete, they reduce the material's density while maintaining strength, making buildings lighter and more energy-efficient. They also enhance concrete's resistance to heat and moisture, preventing cracks and extending the lifespan of structures. In insulation boards and coatings, cenospheres trap air within their hollow cores, improving thermal insulation to keep buildings warm in cold weather and cool in hot weather.
As additives in coatings and paints, cenospheres boost performance in multiple ways. They improve the coating's coverage and hiding power, ensuring uniform color with less material. Their hollow structure also makes coatings more resistant to chipping, peeling, and weathering, suitable for industrial equipment, pipelines, and exterior walls. Additionally, cenospheres reduce the weight of coatings, making application easier and reducing transport costs.
Cenospheres serve as excellent fillers in plastics and rubber products. Mixed into plastic parts, they reduce density and material costs while enhancing stiffness and heat resistance. Plastic products with cenospheres are ideal for outdoor use, as they resist UV damage and deformation. In rubber goods like seals and gaskets, cenospheres improve durability and compression resistance, ensuring better performance in industrial machinery.
In refractory materials, cenospheres' high heat resistance shines. They are added to firebricks, furnace linings, and fireproof coatings, enabling these materials to withstand extreme temperatures without melting or cracking. 

Production Process

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