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Premi-Glas® 1140-18

Technical Datasheet | Supplied by LyondellBasell

Premi-Glas® 1140-18 by LyondellBasell is an unsaturated polyester composite grade reinforced with glass fiber and mineral filler. It offers thermal stability and stiffness. This grade exhibits good dimensional stability, excellent stiffness to weight ratio, good corrosion resistance except acid environments and excellent property retention in cold/ hot environments. It is processed by compression molding in matched metal die molds. Premi-Glas® 1140-18 is suitable for general purpose applications.

Premi-Glas® 1140-18 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.70 - 1.85 g/cm³

ASTM D792

Linear Mold Shrinkage

0.0015 - 0.003 in/in

((RT mold/ RT part))

ASTM D955

Compression Molding Properties

Value & Unit

Test Condition

Test Method

Mold Temperature

150 °C

Molding Pressure

35 - 65 bar

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Premi-Glas® 1140-18

Premi-Glas® 1140-18 Properties

Physical Properties

Premi-Glas® 1140-18 Processing Guidelines

Compression Molding Properties