Thermoplastic Polymers

LDPE Film Grade FB 4-31

CAS 9002-88-4

Generic registry number (not stated in the manufacturer TDS)

Additive-free low density polyethylene

At a glance
MFR (190 °C, 2.16 kg)
Typical: 4 g/10 min
Density (23 °C) [1]
Typical: 922 kg/m³
Tensile stress at break (MD/TD) [8]
Typical: 20 / 19 MPa
Tensile strain at break (MD/TD) [8]
Typical: 570 / 640 %

Technical Specifications

ParameterValueMethod / unit
MFR (190 °C, 2.16 kg)Typical: 4 g/10 minISO 1133-1 · °C
Density (23 °C) [1]Typical: 922 kg/m³ISO 1183-1 · °C
Tensile stress at break (MD/TD) [8]Typical: 20 / 19 MPaISO 527-1,3
Tensile strain at break (MD/TD) [8]Typical: 570 / 640 %ISO 527-1,3 · %
Dart drop [8]Typical: 130 gISO 7765-1 method A
Haze [8]Typical: 5 %ASTM D1003 · %
Vicat softening temperature [2]Typical: 91 °CISO 306/A 50 · °C
Melting temperatureTypical: 111 °CISO 11357-3 · °C
Crystallization temperatureTypical: 97 °CISO 11357-3 · °C
Recommended film thicknessTypical: 0.015 – 0.04 mm
Recommended processing temperatureTypical: 150 – 190 °C°C

Detailed application areas

Non-slip blown films, surface protection films, cast films; injection moulding. Suitable for conventional extrusion machines. User must carry out tests for suitability and regulatory compliance.

Packaging & storage

Packaging

25 kg PE bags; shrink/stretch-wrapped pallet: 1375 kg polymer. Road or rail silo transport also available.

Storage

Protect from UV and temperatures above 40 °C. Dry before use if moisture condenses under high humidity and fluctuating temperatures.

Documents

Technical data sheet (TDS)

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Download technical data sheet (PDF) ↓

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Product Information

LDPE Film Grade FB 4-31 (CAS 9002-88-4) is an industrial product in the thermoplastic polymers category. Typical specifications: MFR (190 °C, 2.16 kg): Typical: 4 g/10 min; Density (23 °C) [1]: Typical: 922 kg/m³; Tensile stress at break (MD/TD) [8]: Typical: 20 / 19 MPa. KORKİMYA supplies LDPE Film Grade FB 4-31 in 25 kg PE bags; shrink/stretch-wrapped pallet: 1375 kg polymer. Road or rail silo transport also available..

Additive-free low density polyethylene

CAS
9002-88-4
TN-VED Code
3901 10
Category
Thermoplastic Polymers

Test Methods

ISO 1133-1 · ISO 1183-1 · ISO 527-1,3 · ISO 7765-1 method A · ASTM D1003 · ISO 306/A 50 · ISO 11357-3

Key features

Why this product?

  • [1] Density: pressed mould specimen per internal method. [2] ISO 294-1 injection moulded specimen. [8] 50 µm blown film; melt 170 °C, blow-up ratio 2.5:1. Observe fire safety rules for combustible materials.
  • [1] Density has been measured on pressed mould specimen according to internal method.
  • [2] Typical properties measured on standard injection moulded test specimen according to ISO 294-1.
  • [8] Film properties tested using 50 µm thick blown film extruded at melt temperature of 170°C and blow up ratio 2.5:1.
  • Test final articles against relevant rules including food contact; product compliance: DDS.
  • Additive-free LDPE film pellets; good processability and optical properties.
  • Heat-treated pooling pallets are collected after use for reuse and remain the pallet provider’s property.
  • Polymers are REACH-exempt; monomers/relevant additives are registered.
  • Only REACH-compliant raw materials are used.
  • At source revision, no identified SVHC >0.1%.
  • Suitable for modern recycling; keep in-house waste clean for direct recycling.

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Last updated: 11/10/2026

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LDPE Film Grade FB 4-31