UF2 Grade
Expanding General Purpose

UF2 Grade is a versatile, high-performance purging compound especially suited for color and material changes for thermoplastic injection molding, extrusion molding and blown film extrusion machines.

Processing Temperature Range:

170°C-320°C (340°F-610°F)


    Excellent compatibility with PE Resins.

    UF2 is a great choice for PE processors. Customers trust UF2 Grade for consistent, dependable color & material changes.

    Safe & Effective for Purging Dies & Hot Runners.

    UF2 is a favorite for sheet and blown film.  It holds a bubble in film, and quickly clears the edges of you die in sheet extrusion.  Molders using hot runners also love UF2 for it’s consistent cleaning power regardless of gate sizes.


    • Suitable for blown/cast film extrusion applications
    • Can be purged through die without removing it
    • Excellent compatibility with PE resins
    • Effectively removes gels and contamination that is not carbonized
    • Cleaning for polyethylene color/material changes
    • Holds a bubble in blown-film
    • No chemical reaction
    • No soak time required


    Usage Information

    Temperature Range 170°C to 320°C (340°F to 610°F)
    Minimum Clearance Requires 0.01 mm (0.0004") clearance for hot runner gates and extrusion dies; 200-mesh is required for extrusion screen packs when only 1 layer of mesh is used.
    Amount of Purge Typically 1-2 system capacities (actual amount depends on degree of contamination)
    Applications Injection Molding - including hot runners
    Extrusion - profile, sheet, cast film & compounding
    Types of Resin Purging to and from polyethylene-based resins within the processing temperature range


    • For maximum performance, Asaclean® UF2 Grade should not be diluted with other materials.
    • Asaclean® UF2 Grade does not work by chemical reaction, so there is no soak time or hold-up time required for an effective purge.
    • Asaclean® UF2 Grade works best with maximum agitation. Use the maximum safe screw speed and, for thermoplastic injection molding, also use maximum safe back pressure with the screw in the most forward position.


    Physical Form Solid
    Shape Pellets
    Color Transparency and white are mixed
    Water Solubility Insoluble
    Other Solvent Solubility Insoluble for organic solvent under normal temperature
    Stability Stable under normal temperatures
    Reactivity Non-reactive under normal handling and storage conditions
    Conditions to Avoid Do not exceed recommended temperature range.
    Do not allow Asaclean® UF2 Grade to reside in barrel for more than 30 minutes at temperatures higher than 280°C (535°F).


    Specific Gravity 0.95 at 23°C (73°F)
    Softening Point 130°C to 135°C (266°F to 275°F)
    Flashpoint 380°C (716°F)
    Autoignition Temp 400°C (752°F)

    Packaging Options

    • 250 lb. poly-bags (pictured)
    • 1,500 lb. gaylords

    Please Note: The above data should be used for reference only.

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