Fly Ash Cenospheres Microbeads for Oilfield Cementing and Fireproof Coatings

• 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-CE63
• 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
Material	Silicon Carbide (SiC)
SiO2 Content (%)	61.21%
Al2O3 Content (%)	33.10%
MgO Content (%)	1.03%
CaO Content (%)	0.21%
Refractoriness (Degree)	1770°< Refractoriness< 2000°
Brand Name	HZ
Product name	Cenosphere;Fly Ash
Appearance	Gray ball ;White ball ;Gray powder;White  powder
SIO2	61.21%
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	3-5 DAYS

Why choose us

Application & Packing

Company Profile

Good reputation

FAQ

1. Who are we?
We are based in Hebei, China, start from 2015,sell to Domestic Market(30.00%),North America(20.00%),Southeast Asia(20.00%),South Asia(5.00%),Eastern Asia(5.00%),Western Europe(5.00%),Southern Europe(5.00%),Oceania(3.00%),South America(2.00%),Northern Europe(2.00%),Africa(2.00%),Mid East(1.00%),Central America(0.00%),Eastern Europe(0.00%). There are total about 51-100 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment
3.What can you buy from us?
Kaolin, Iron Oxide Pigments, Tourmaline, Silica, Colored Sand,etc
4. Why should you buy from us not from other suppliers?
We are the manufacturer of the minerals materials, especial in mica, iron oxide and diatomite powder. our company has professional development group, we can accpet OEM/ODM. And our products selled not only in our country but also in asia southeast popular.
5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,CIP,FCA,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese