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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Sorona® 2045G BK346A

Technical Datasheet | Supplied by DuPont
Sorona® 2045G BK346A is a high performance polytrimethylene terephthalate thermoplastic polymer grade reinforced with 45% glass fiber. It is made with a key intermediate called Susterra™ renewably sourced propanediol made from corn sugar, using proprietary fermentation and chemical processes. Contains 26% renewably sourced material (by weight). Exhibits performance and molding characteristics similar to high-performance PBT (polybutylene terephthalate) plastics. Possesses good strength & stiffness, improved surface appearance, lower warpage and good dimensional stability & finishing qualities. Sorona® 2045G BK346A can be processed using injection molding. Suitable for engineering plastic applications including automotive parts & components, furniture & mobile phone housings, electrical & electronic systems and industrial & consumer products.
Product Type
Polyester > PTT
Product Status
Geographical Availability
Africa, Asia / Pacific, Central and Eastern Europe, Middle East and Central Asia, North America, South and Central America, Western Europe

Sorona® 2045G BK346A Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Linear Mold Shrinkage, Flow
0.2 %
(2 mm, 23°C)
ISO 294-4
Linear Mold Shrinkage, Transverse
0.5 %
(2 mm, 23°C)
ISO 294-4
1740 kg/m³
ISO 1183

Sorona® 2045G BK346A Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
120 °C
Drying Time
2 - 4 hr
Suggested Max Moisture
0.02 %
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