Steel Blackening Agent PR508
The matte type residual heat blackening agent is a water-soluble, mildly alkaline blackening agent that is non-toxic and environmentally friendly. After blackening, the workpiece has a smooth, uniform appearance with a deep black matte finish, making it easy to apply oil in subsequent processes.
Category: Blackening Agent, Heat Treatment
Product Details
Advantages
Good surface uniformity on blackened workpieces; | Strong adhesion and long salt spray resistance; | Safe, environmentally friendly, non-toxic, and non-volatile.
Technical Specifications
| Model | PR508 |
|---|---|
| Density (20°C), /ml | 1.02-1.07 |
| pH Value | 8.0-10.0 |
| Concentration (%) | 10-15 |
| Operating Temperature (°C) | 400-500 |
| Application Range | Matte type, suitable for blackening with residual heat after quenching and tempering. |
Related Products

KR1129
Salt Bath Quenchant KR1129
This low-melting-point salt bath cooling medium is composed of highly pure nitrates
Explore More
PR507
Steel Blackening Agent PR507
A water-soluble, bright-finish, mildly alkaline blackening agent.
Explore More
PR520
Steel Blackening Agent PR520
The matte type residual heat blackening agent is a water-soluble, mildly alkaline
Explore More
PR506
Steel Blackening Agent PR506
The matte type residual heat blackening agent is a water-soluble, mildly alkaline
Explore MoreSend Your Request
Tell us about your application, process conditions, or product needs. Our technical team will get back to you shortly.
