Technical datasheet

Natur-Tec® BF703B

Supplied byNatur-Tech- Last Updated on Sep 22, 2025

Natur-Tec® BF703B by Natur-Tech is a renewable, biobased polyester grade. Offers easy processability. It is 100% compostable. Is suitable for blown film extrusion. It can be used to produce film for applications such as bags (compost bags, lawn and leaf bags, pet waste bags, carry-out bags, coat hanger bags), agricultural film, hand gloves, aprons, and consumer & industrial packaging. Natur-Tec® BF703B meets requirements of international standards for compostable plastics such as ASTM D6400 (U.S.), EN13432, ISO 17088 & AS4736 and TSCA inventory.
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Natur-Tec® BF703B properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
Impact Strength, Dart Drop0.0 Visible After LoginVisible After LoginVisible After Login
Tear Strength, MD0.0 Visible After LoginVisible After LoginVisible After Login
Tear Strength, TD0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Elongation, MD0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Elongation, TD0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength, MD0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength, TD0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Gas Transmission Rate, Oxygen0.0 Visible After LoginVisible After LoginVisible After Login
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)0.0 Visible After LoginVisible After LoginVisible After Login
Water Vapour Transmission Rate (WVTR)0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Melting Point0.0 Visible After LoginVisible After LoginVisible After Login

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