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ROSECO® CSB X1

ROSECO® CSB X1 is a bio-compostable starch compound resin made from tapioca starch and biopolymers. This resin, in warm beige pellets, stands out with its high bio-content and exceptional mechanical properties, perfect for blown film applications. Offering a translucent appearance and superior mechanical performance, it significantly reduces the carbon footprint in end products, while also enhancing functionality and mechanical attributes. Plus, it's compatible with conventional extrusion machinery.

Properties

Physical Form
  • Microgranule
  • Pellets
  • Solid

Product families

Plastics — Engineering & Specialty Polymers
  • Biodegradable Polymers

Other characteristics

Brand
ROSECO
Density
1,250.0 - 1,350.0 kg/m³
Polymer Name
Thermoplastic Starch (TPS)
Labeling Claims

Bio-based, Biodegradable, Low Carbon Footprint (PCF); Bio-based; Biodegradable; Low Carbon Footprint (PCF)

Processing Methods
Blown Film Extrusion, Extrusion, Film Extrusion
Note

The value listed have measured mechanical properties from 40 μm thickness film sample with BUR of 4.

Appearance
Warm beige pellet
Processing

This material can be used without drying. In case of broken packaging, it is recommended to be dried at 60°C for 4 hours prior to the processing.

Shelf LIfe
12 Months
Technology
Plastics
Packaging Type
Bags
Color
Beige
Material Features
  • Compostable
  • Good Mechanical Properties
  • Good Processability
  • Renewable Resource Content
  • Translucent
Storage Condition

Well-sealed package should be stored under cool and dry place out of direct sunlight.

Benefits and Features

Roseco CSB X1 offers translucent and mechanical performances for blown film applications. With high content of renewable materials, Roseco CSB X1 can reduces carbon footprint in final products with a functional and mechanical improvement; meanwhile, processable on conventional extrusion machinery.

Packaging Information

This product is packed in sealed-moisture proof 25 kg bag.

Plastics and Elastomers Functions
Resin
Plastics and Elastomers Processing Methods
  • Blown Film Extrusion
  • Extrusion
  • Film Extrusion

Technical data

Table 1 of 2

3 rows
CharacteristicValueUnitMethod
Moisture Contentmax. 1%ASTM D6980
Density1.25 - 1.35g/cm³ASTM D792
Melt Flow Index (190°C, 2.16 kg)2 - 6g/10 minASTM D1238

Table 2 of 2

7 rows
CharacteristicValueUnitMethod
Modulus (MD)min. 210MPaASTM D882
Modulus (TD)min. 100MPaASTM D882
Tensile Strength (MD)min. 18.5MPaASTM D882
Tensile Strength (TD)min. 16MPaASTM D882
Elongation (at break, MD)min. 300%ASTM D882
Elongation (at break, TD)min. 510%ASTM D882
Dart Dropmin. 300gASTM D5628

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