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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Technical Datasheet | Supplied by Raschig
RALUPOL® UP 4566 by Raschig is a glass fiber reinforced polyester compound. Provides excellent heat resistance, outstanding pourability and good electrical values. Shows low mold and post shrinkage. Suitable for processing by compression molding. RALUPOL® UP 4566 is used in lamp holders for automotive halogen bulbs. Conforms to requirements of the EU directives 2002/95 (RoHS), 2002/96 (WEEE), 2006/122 (PFOS) and UL-94 (HB) flame rating. The shelf life of this grade is 6 months.
Product Type
UPR (Unsaturated Polyester Resin)
Physical Form
Product Status

RALUPOL® UP 4566 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Linear Mold Shrinkage
0.3 - 0.6 %
(Longitudinal, Compression molded)
ISO 2577
Apparent Density
0.90 - 1.10 g/cm3
(Compression molded)
ISO 60
Specific Gravity
2.00 - 2.20 g/cm3
(Compression molded)
ISO 1183
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