DuPont ST7301 is a pa (nylon) compound supplied by POLYVALA (Shanghai Polyvala Plastics Co., Ltd.). It belongs to the DuPont Zytel polyamides family — viscosity PA6 6 (high flow, easy to injection mold)core toughener: grafted (POE-g-MAH / EPDM-g-MAH) —— -40℃.

Key Specifications

• Density: 1.06 g/cm³ Tensile strength: 48 MPa Tensile modulus: 1800 MPa Elongation at break: >50 %Notched impact (23℃): 80 kJ/m² Notched impact (-30℃): 17–18 kJ/m² Heat deflection temperature (HDT) (1.82 MPa): 51–75℃ Heat deflection temperature (HDT) (0.45 MPa): 95–100℃ Melting point: 221℃ Mold shrinkage: 0.9%–1.1% Water absorption (24h): ~2.7%

Typical Applications

automotive, impact-resistant, cushioning, gears electronic: appliance housings, electrical housing

Key Features

• low-temperature resistant: -30℃~-40℃
• thermally stable
• aging-resistant: 100–120℃ lubricated
• high flow: thin-wall /
• demolding oil-resistant
• chemical-resistant: automotive / unfilled
• Appearance

Sourcing with POLYVALA

• Flexible MOQ — single pallet to full container, mixed grades welcome
• Batch certificate / COA provided with every shipment
• Export documentation and consolidated freight from Shanghai port
• Sample available on request for evaluation

Note: Technical data above is compiled from manufacturer documentation for reference. Final specifications will be confirmed against the actual batch certificate.