by SpecialChem

Keyflex® BT 1040D

Technical Datasheet | Supplied by LG Chem

Keyflex® BT 1040D by LG Chem is a general purpose, medium modulus thermoplastic copolyester elastomer grade. Exhibits outstanding mechanical strength, flexibility at low temperature and heat-, chemical- and weather resistance. Keyflex® BT 1040D is suitable for processing by extrusion and injection molding. Used in antenna covers and injection parts for leisure & sports. Complies with UL 94 HB flame rating.

Keyflex® BT 1040D Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Linear Mold Shrinkage, Flow

0.6 - 1.0 %

(3.2 mm)

ASTM D955

Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)

20 g/10 min

(200°C/2.16 kg)

ASTM D1238

Water Absorption

0.7 %

(23°C, 24 hr)

ASTM D570

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Drying Temperature

80 - 90 °C

Drying Time

3 - 4 hr

Maximum Moisture Content

0.01 %

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Keyflex® BT 1040D

Keyflex® BT 1040D Properties

Physical Properties

Keyflex® BT 1040D Processing Guidelines

Injection Molding Properties