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50μm Opaque White Cast Polypropylene Film for Food and Medical Packaging

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50μm Opaque White Cast Polypropylene Film for Food and Medical Packaging

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Brand Name : HSF

Model Number : 50OWCPP

Place of Origin : China

MOQ : 30000 s.q.m.

Payment Terms : T/T,L/C

Supply Ability : 50000 kg per week

Delivery Time : within 20 days

Packaging Details : EPE film + PE wrap + Processed wooden pallet

Price : $0.12 per square meter for quantities less than 100,000 square meters, FOB Shanghai basis

Material : Polypropylene

Color : White

Transparency : Opaque

Thickness : 50 μm

Thickness deviation : Plus minus 3 μm

Width : Up to 2000 mm

Winding length : 2500 meter or so, as per requirement

Sleeve ID : 3" or 6"

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50μm Opaque Cast Polypropylene Film
50 μm opaque white cast polypropylene film designed for food, medical, and industrial packaging applications.
Product Overview
Cast polypropylene (CPP) film is manufactured through a casting process and serves diverse flexible packaging needs across multiple industries.
Primary Applications
  • Food Packaging: Ideal for snacks, bakery goods, meat, cheese, and other food products with excellent clarity and gloss for enhanced product appeal
  • Medical Packaging: Suitable for medical devices and products, offering high heat-seal strength, moisture barrier, and puncture resistance
  • Industrial Packaging: Used for textiles, stationery items, and various industrial products
Key Features & Benefits
  • Excellent transparency and high gloss for superior product visibility
  • Outstanding moisture barrier properties
  • High durability with flexibility and excellent sealing properties
  • Superior resistance to punctures, tearing, and abrasion
  • Good stiffness and dimensional stability for consistent performance
  • Excellent printability with great graphic clarity for branding
Manufacturing Process
  • Polymerization: Propylene monomers are polymerized under pressure and high temperature to produce polypropylene resin pellets
  • Extrusion: Resin pellets are melted and extruded through a flat die to form a continuous sheet
  • Orientation: Sheet is stretched across machine and transverse directions to enhance mechanical properties and clarity
  • Cooling: Film is cooled using a cooling roll and stored on a take-up roll
  • Finishing: Surface treatments including corona discharge improve printing quality and adhesion
Advantages Over BOPP Film
  • Improved sealing properties with higher seal strength
  • Enhanced clarity and gloss for better product visibility
  • Superior hot tack properties for high-speed packaging machines
  • Increased heat resistance for hot-fill and retort packaging
  • Higher puncture resistance for enhanced durability
Technical Specifications
Test Item Unit Range Test Standard
Thickness Avg. 50 μm GB/T 6672
Max. ≤54
Min. ≥46
Width Avg. 1090 ±3 mm GB/T 6673
Tensile Strength MD ≥20 MPa GB/T 1040.3
TD ≤15
Elongation @ Break MD ≤300%
TD ≤300%
Wetting Tension - ≥38 mM/m GB/T 14216
50μm Opaque White Cast Polypropylene Film for Food and Medical Packaging 50μm Opaque White Cast Polypropylene Film for Food and Medical Packaging

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