Ceramic beads have several advantages over glass beads. The advantages are mostly a result of the greater toughness and density of ceramic beads when compared to glass beads. Ceramic beads can outlast glass beads by a factor of up to 30 to 1, i.e. the life is up to 30 times greater (sometimes more!).
1..This feature offers several advantages as follows:
Surface finish
With their lower breakdown rate ceramic beads will reproduce more consistent surface finishes over long production runs. When reproducible surface finishes are required for consumer goods this is a critical factor.
When blasting with glass beads, the working mix of beads in the machine is constantly fluctuating as the beads break down and new ones are added. This fluctuation in the abrasive working mix results in higher chances of changes to the blasted surface finish.
When blasting with ceramic beads the bead breakdown rate is a lot slower. This means the working mix of beads in the machine is a lot more stable and consistent, resulting in more consistent surface finishes.
Consistent peening intensity
Again due to their lower break down rate ceramic beads are a lot more suitable for shot peening than glass beads. The objective of shot peening is to impart a layer of residual compressive stress onto the surface of a part to extend its service life. This thin compressive layer prevents the formation of fatigue cracks opening on the part surface, which cause part failure.
Blasted surfaces, especially stainless steel items, are susceptible to unsightly fingerprints and handling blemishes. When the blasting is performed for aesthetic purposes this staining can ruin what would otherwise be a perfect surface finish. Items blasted with ceramic beads are a lot less prone to fingerprints and other handling stains than items blasted with glass beads. If the item to be blasted is likely to be frequently handled it will stay looking good a lot longer if blasted with ceramic beads.
Less waste disposal
Ceramic beads break down at a much lesser rate than glass beads. For high volume users this can make a significant difference. Depending on how expensive waste disposal is in your area, it could mean the difference between having to dispose of 1 or 2 tonnes of waste versus 10's of tonnes. This can be a significant difference.
As you know we have our own blasting shop. Our bead of choice; ceramic wins the day every time.
2.Size range:
B/Z20:0.600-0.850mm B/Z30:0.425-0.600mm
B/Z 40:0.250-0.425mm B/Z 60:0.150-0.300mm
B/Z 80:0.125-0.212mm B/Z 100: 0.106-0.180mm
B/Z 120:0.063-0.125mm B/Z 150: 0.053-0.106mm
B/Z 170:0.045-0.090mm B/Z 205:0.000-0.063mm
3.Physical characteristics
-High hardness: Most ceramic beads have high hardness, such as zirconia ceramic beads, which can resist external scratches and wear, and maintain a smooth and intact surface.
-High temperature resistance: able to maintain stable performance in high temperature environments, without deformation, melting, or loss of its original characteristics due to high temperatures, suitable for high-temperature processing and application scenarios.
-Low density: Compared to metal beads, ceramic beads typically have a lower density and have advantages in applications that require weight, such as aerospace and electronic devices.
4.Chemical properties
-Corrosion resistance: It has the ability to resist acid, alkali, salt and other chemical substances, and can be used stably in harsh chemical environments for a long time without being easily corroded or damaged by chemical substances.
-Chemical stability: It is not easily reactive with other substances and can maintain its chemical composition and structural stability, ensuring reliable performance in various applications.
5.Mechanical characteristics
-High strength: It has high compressive and tensile strength, can withstand large external forces, is not easily broken or damaged, and can be used for components that withstand mechanical stress.
-High wear resistance: During the friction process, the wear rate of ceramic beads is relatively low, which can maintain their shape and dimensional accuracy for a long time, extend their service life, and reduce replacement costs.
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