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NFJ Rust-Proof Foam Reinforced Metal Cotton
The manufacturing process of NFJ Rust-Proof Foam Reinforced Metal Cotton is as follows: carbonize and rust-remove selected steel wool and perform passivation and anti-rust pretreatment; select small-mesh foam iron powder for reasonable grading; add carbon-based media materials and use special equipment Stir the above two materials thoroughly; add a medium-temperature (350°C) binder for the first sintering to remove carbon substances; select appropriate materials to retain and remove substandard waste; add reinforcing composite agents and sinter at high temperature.
Principle:
1、The porous structure achieves the following functions:
1.1 Adjusts the loose packing density between 1.0-2.0, closer to or the same as other materials, achieving uniform blending.
1.2 Absorbs noise in the pressure-friction state of the brake pad.
1.3 Large surface area improves heat dissipation, reducing the likelihood of high temperature causing metal embedding.
1.4 Deforms under heat and pressure, avoiding hard friction, reducing damage to mating parts.
1.5 Absorbs and dissipates pressure, raises the critical point of dynamic thermal energy conversion, avoiding sparks.
1.6 Organic fibers can be embedded in the material's pores, enhancing the overall strength of the brake pad.
2、Full iron-based material has good electrical conductivity, eliminating static electricity.
3、Rust-proof treatment ensures high rust resistance, eliminating the common drawback of easily rusting steel wool.
4、Precise composite ratios of various materials improve wear resistance and shear force.
5、Iron-based material is harmless to human health and the environment, demonstrating strong environmental characteristics.
Application Scope
Usage scenarios: brake pads, mining engineering machinery, dynamic balancing devices, wind power equipment, and other equipment that require braking
Advantages And Features
Main Functions:
1、Reduce or replace the usage of heavy metals while possessing characteristics similar to steel wool.
2、Reduce brake pad noise.
3、Improve the uniformity of blending during the production process.
4、Prevent metal embedding and facilitate rapid heat dissipation.
5、Eliminate static electricity and avoid spark generation.
6、Enhance shear force in brake pads.
7、Improve friction performance, reducing wear and damage to mating parts.
8、Corrosion-resistant, never rust.
9、Reduce production processes without altering the original manufacturing process.
10、Free of toxic and harmful substances, compliant with domestic and international environmental standards.
Main Components:
Component | Fe2 | C | So2 | O2 |
Content | ≥85% | ≤2% | ≤10% | ≤5% |
Technical Parameters:
Item | Parameter |
Bulk Density | 1.0—2.0T/m³ |
Tamped Density | 1.2—2.2T/m³ |
Mesh Size | -20—+200 |
Macroscopic Form | Loose and porous, granular |
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