U Grade – Superior Universal Grade

U Grade is a versatile, high-performance purging compound especially suited for more demanding colour and material changes for technical polymers. U grade is also suitable purging material for almost all hot runners.

U Grade Purging Compound Features

✔ General purpose meets highest performance.
U grade’s styrenic-based cleaning power is the strongest purging material of the universal grades. This makes U grade ideal for applications that require higher detergency while maintaining lower residue.

✔ Great for colour changes that are more demanding.
Because U grade is such a powerful purger, it is especially suited for handling more demanding colour changes like green to yellow or black to white.

U grade purging compound is also recommended for hot runner cleaning, as well as sealing and shutting down machines to prevent carbon on start-ups.

U Grade Purging Compound Applications*

U Grade Other available Grades
Applications Hot Runner Cleaning NewM, PT, C, SA, GL2, NewE, UP, CP, UB, PF, SX
Sealing NewE, NewM, C, UB, SA, GL2, CP, UP
Transparent Applications NewM, NewE, PT
High Temperature Resins SX, PF, PX2
Low Temperature Resins NewE
Black spots NewEX, PX2, CG
U grade’s processing temperature is 180°C to 330°C*
U grade requires a 0.5 mm clearance for hot runner gates and extrusion dies, and 100 mesh is required for extrusion screen packs. U grade has an MFI of 11 (ISO R11133, 10 kg – 220°C). Need help identifying the grade you need?

*If using material between 330-360°C, local ventilation is required.

Do you want to learn more about the U Grade?

Request the SDS, TDS or order your free sample now!

Do you want to learn more about the U Grade?

Request the SDS, TDS or order your free sample now!