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Low density polethvlene (LDPE homopolymer in a powdered form, for use in solvent bome coatings, heatset and iquid sovent borne inks, to impr
rub, mar & abrasion resistance, by lowering the COF.
It is also used as a gellant for hydrocarbon oiks, a parafin crystal nucleator in wax blends such as candles, and a viscosity diluent in HMAS
Can also be partially substituted for FT (fisher Tropsch) Wax in adhesive applications without detracting from formulation properties.
| Property | Value |
| Hardness | 1 |
| Viscosity @ 140° C | 450 |
| Drop Point, Mettler | 113°C (235°F) |
| Density | 0.93 |
| Acid Number | Nil |
| Property | Value |
| Hardness | 1 |
| Viscosity @ 140° C | 450 |
| Drop Point, Mettler | 113°C (235°F) |
| Density | 0.93 |
| Acid Number | Nil |
| Property | Value |
| Product Form | Powder |
Q1: What is the primary function of AC 8A in polymer systems?
A: AC 8A functions as a high-efficiency processing aid and melt flow modifier, particularly in thermoplastic compounds. It enhances melt homogeneity, reduces extrusion torque, and improves surface finish without significantly affecting thermal stability or mechanical performance.
Q2: Is AC 8A compatible with common engineering thermoplastics such as polypropylene, polyethylene, and ABS?
A: Yes, AC 8A demonstrates broad compatibility across polyolefins, styrenics, and certain engineering resins. Its non-ionic nature and low volatility support stable dispersion during compounding and injection molding processes.
Q3: How should AC 8A be incorporated into a formulation?
A: AC 8A is typically introduced during the masterbatch stage or dry-blend step prior to extrusion. It disperses readily under standard melt-mixing conditions and does not require pre-drying. Dosage depends on formulation requirements but generally ranges from 0.1% to 2% by weight.
Q4: Does AC 8A impact regulatory compliance for food-contact or medical-grade applications?
A: AC 8A is designed for industrial polymer processing and is not pre-approved for direct food-contact or medical device applications. Customers intending such use must conduct full regulatory evaluation—including migration testing and toxicological review—based on final formulation and end-use conditions.
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