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Thermoplastic elastomer (TPE) formulation with balanced hardness and elasticity for reliable processing.
Excellent melt flow stability suitable for high-speed extrusion and injection molding operations.
Good resistance to UV exposure and thermal aging under standard industrial conditions.
Halogen-free and compliant with RoHS directives for environmentally responsible manufacturing.
Low compression set performance ensures long-term sealing integrity in dynamic applications.
Automotive interior trim components including seals, gaskets, and soft-touch overlays.
Consumer electronics housings and protective overmolded grips for handheld devices.
Medical device components requiring non-toxic, skin-contact compatible elastomeric properties.
Industrial fluid handling parts such as flexible tubing connectors and vibration-damping mounts.
Appliance control panels and ergonomic interface elements requiring tactile feedback and durability.
| Chemical Type | Thermoplastic Elastomer (TPE) – Styrenic Block Copolymer (SBC) based |
| Product Form | Pellets |
| Appearance | Off-white to light beige, free-flowing granules |
| Shore A Hardness (ASTM D2240) | 50 ± 3 |
| Melt Flow Rate (230°C/2.16 kg, ASTM D1238) | 12–18 g/10 min |
| Density (ASTM D792) | 0.98–1.02 g/cm³ |
| Key Features | Soft-touch feel, easy colorability, good adhesion to PP/PS substrates |
| Primary Applications | Overmolding, extruded profiles, injection-molded functional parts |
Q1: What is the primary functional role of API DT 50/CL1 TPE in pharmaceutical formulations?
A: API DT 50/CL1 TPE serves as a thermoplastic elastomer-based processing aid and modifier, primarily used to enhance melt processability, improve mechanical resilience, and support consistent extrusion or injection molding behavior in solid dosage form manufacturing.
Q2: Is API DT 50/CL1 TPE suitable for direct contact with active pharmaceutical ingredients (APIs)?
A: Yes — it is designed for compatibility with common APIs and excipients in oral solid dosage forms. Its inert nature and low extractables profile support use in applications where physical stability and minimal interaction with drug substances are required.
Q3: How is API DT 50/CL1 TPE typically incorporated into formulation workflows?
A: It is generally introduced during hot-melt extrusion or compounding stages, either pre-blended with other polymer carriers or added directly to the feed throat. Dosage depends on formulation requirements but typically ranges from 0.1% to 2% by weight relative to the total matrix.
Q4: Does API DT 50/CL1 TPE require special drying or handling prior to processing?
A: While not hygroscopic to a critical degree, standard good manufacturing practice recommends storing under dry conditions and conditioning at moderate temperatures if ambient humidity has been elevated — especially before high-precision extrusion runs.
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