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High thermal and hydrolytic stability for extended service life in demanding environments.
Excellent compatibility with polyolefin elastomers (POE), EPDM, and thermoplastic vulcanizates (TPV).
Low volatility and minimal migration, ensuring consistent performance in long-term applications.
Non-halogenated, phosphorus-based flame retardant meeting UL94 V-0 requirements at appropriate loading levels.
Good dispersion characteristics in polymer matrices without requiring additional compatibilizers.
Flame-retarded automotive interior components (e.g., door panels, trim, under-hood gaskets).
Wire and cable insulation for low-smoke, halogen-free (LSZH) applications.
Flexible building & construction sealants and roofing membranes.
Electrical enclosures and connectors requiring UL94-rated polymer formulations.
Consumer appliance housings where thermal safety and regulatory compliance are critical.
| Chemical Type | Organophosphorus compound (Triphenyl phosphate derivative) |
| Product Form | Powder |
| Appearance | White to off-white free-flowing powder |
| Molecular Weight (approx.) | 530–570 g/mol |
| Phosphorus Content | 8.2–8.8 wt% |
| Decomposition Onset Temperature | ≥280 °C (TGA, 10 °C/min, N₂) |
| Moisture Content | ≤0.3 wt% |
| Key Features | Halogen-free flame retardancy, low volatility, POE-compatible |
Q1: What is the primary function of Shuhuerman TPP 608 POE in polymer formulations?
A: Shuhuerman TPP 608 POE is a polyolefin-based processing aid designed to improve melt flow, reduce extrusion torque, and enhance surface finish in polyolefin processing—particularly for HDPE, LDPE, and PP compounds.
Q2: Is TPP 608 POE compatible with filled or reinforced polyolefin systems?
A: Yes, it demonstrates good compatibility with common fillers such as calcium carbonate, talc, and glass fibers, helping to mitigate filler-induced melt fracture and improve dispersion without compromising mechanical integrity.
Q3: How does TPP 608 POE differ from conventional fluoropolymer-based processing aids?
A: Unlike fluoropolymer additives, TPP 608 POE is polyolefin-based and fully miscible with the host resin, eliminating concerns about phase separation or long-term migration—while still delivering effective die lubrication and melt stabilization.
Q4: What are typical dosage recommendations for TPP 608 POE?
A: Dosage is formulation-dependent but generally ranges from 0.1% to 2% by weight relative to the base polymer, with optimal performance often observed between 0.3% and 1.0% in standard extrusion applications.
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