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Plastics & Elastomers
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Terratek® BD4800

Terratek® BD4800 by Green Dot Bioplastics is a starch-based, biodegradable polyester grade. It possesses heat resistance, rigidity, pliability, strength and lower processing temperatures. It leads to energy savings and easy processing and taking on desired shape & color characteristics. This grade is tolerant to heat conditions ranging from moderate to high. It is processed by sheet extrusion. It is a proprietary blend of bio fillers, natural and synthetic polymers. This grade is made with ingredients which pass industry standards for composting. Terratek® BD4800 is used in food packaging, disposable cutlery, single-use items, organic waste containers, gardening & other agricultural applications, plant pots and mulch films. It contains 53% by weight biomass content.
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Product Type
Polyester > Polyester, Bio-based
Product Status
COMMERCIAL
Applications/ Recommended for
  • Gardening
  • Packaging
  • Agriculture > Mulch films
  • Extrusion > Sheet, Plaques & Profiles (foamed)

Terratek® BD4800 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.24
ASTM D792
Linear Mold Shrinkage, Flow
0.0101 in/in
(At 48 hr) 
ASTM D955
Linear Mold Shrinkage, Transverse
0.005 in/in
(At 48 hr) 
ASTM D955

Terratek® BD4800 Processing Guidelines

Extrusion Properties

Value & Unit
Test Condition
Test Method
Feed Zone Temperature
280 - 320 °F
Front Zone Temperature
320 - 360 °F
Die Temperature
320 - 360 °F
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