Application of garnet sand in stainless steel sandblasting
As one of the core materials for stainless steel sandblasting, garnet sand is widely used in stainless steel surface treatment due to its physical properties and process advantages. The following is an analysis of its specific applications and related characteristics:
1. Application advantages
Good surface treatment effect
After sandblasting, the surface of stainless steel presents a uniform and delicate texture, with both gloss and texture, significantly improving the ornamental and practical value.
It can remove burrs, oil stains and oxides, improve cleanliness and roughness, and provide an ideal base for subsequent painting or electroplating.
High efficiency and environmental protection
Garnet sand has high hardness (Mohs hardness 7.5-8), stable impact force, and can quickly remove rust and oxide layers.
As a natural abrasive, it does not contain harmful substances such as free silicon, meets environmental protection requirements, and can be recycled to reduce waste emissions.
Wide adaptability
Select different particle sizes (16-100 mesh) according to the size of the workpiece. Coarse sand (such as 1 mm) is suitable for rust removal of large stainless steel workpieces, and fine sand is used for fine processing of small and medium-sized workpieces.
When used in combination with glass beads, the surface finish can be further improved after the roughness reaches the standard.
2. Technical characteristics
Stable physical properties
The crystal structure is tight and the particles are uniform. It is not easy to break or wear during the sandblasting process, maintains a stable cutting force, and ensures the uniformity of the surface treatment.
Strong self-sharpening, can continuously maintain cutting efficiency, and avoid secondary pollution of the stainless steel surface by residues.
Outstanding economic efficiency
High durability, can be recycled many times, and reduce operating costs.
Compared with materials such as steel sand and steel shot, the risk of damage to the stainless steel surface is lower, reducing the rework rate.
3. Applicable scenarios
Industrial field
Rust removal and roughness treatment of large stainless steel components (such as ships and bridge steel structures).
Surface polishing and texture design of precision instruments or decorative stainless steel products.
Process optimization
With sandblasting pressure adjustment, the surface roughness can be flexibly controlled to meet different process requirements.
When working outdoors, attention should be paid to ground hardening to improve the abrasive recovery rate.
4. Precautions
The operation process needs to be standardized to avoid excessive surface wear due to improper pressure or angle.
Select the appropriate abrasive combination according to the stainless steel material and processing target (such as glossy or matte effect).
In summary, garnet sand has become the core choice for stainless steel sandblasting process that takes into account both quality and cost through its high efficiency, environmental protection and strong adaptability.
