GP-21# offers exceptional resistance to both acids and alkalis, with its alkali resistance being superior to that of GP-10#. It is suitable for use with all strong alkaline media at room temperature, as well as strong alkaline media at temperatures below 100°C and with a pH value of up to 13.
* Only powder form can be delivered to overseas regions
| Technical indicators | Measuring units | Testing standards | Reference targets | Testing data |
| 168-hour corrosion resistance to 20% boiling hydrochloric acids | g/(m².d) | GB/T7989 | ≤0.55 | 0.2-0.3 |
| 24-hour corrosion resistance to 0.1mol/L 80℃ sodium hydroxides | g/(m².d) | GB/T799.1 | ≤2.75 | 0.5-1.0 |
| Resistance to abrupt temperature difference variations | ℃ | GB/T7991.3 | ≥200 | 200-220 |
| Mechanical shock resistance | J | GB/T7991.4 | ≥220x10⁻³ | 280-320 |
| Color | Cobalt blue | |||
| Applicable to | Reactors & stirring accessories | |||
