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Pocan® B 4239 000000

Technical Datasheet | Supplied by LANXESS
Pocan® B 4239 000000 by LANXESS is a flame retardant Polybutylene Terephthalate [PBT] grade reinforced with 30% glass fiber. Exhibits high resistance to heat, chemicals, solvents, lubricants, fuels, cleaning fluids and abrasion. Shows improved impact strength, good flow ability, low tendency to warp, high stiffness, dimensional accuracy and stability. Possesses excellent slip properties, good strength and hardness. Provides low susceptibility to stress cracking, low surface friction, low moisture absorption, easy processing with rapid solidification and fast cycles. Processed by injection molding. Recommended for manufacture of housings and fan cowlings. Pocan® B 4239 000000 complies with the requirements of EU Directive (2002/95/EC0), RoHS directive and REACH.
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Product Type
Polyester > PBT
Physical Form
Granules
Appearance
Natural

Pocan® B 4239 000000 Properties

Thermal Properties

Value & Unit
Test Condition
Test Method
Thermal Conductivity
0.24 W/m-K
(23°C) 
ISO 8302
UL RTI, Electrical
12 °C
(Halving interval) 
IEC 60216-1
UL RTI, Electrical
145 °C
(20000h) 
IEC 60216-1

Pocan® B 4239 000000 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Melt Temperature
240 - 260 °C
Drying Temperature
120 °C
Mold Temperature
80 - 100 °C
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