Rynite® 935SUV BK593

Alternative and trade names
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Common features of Rynite® thermoplastic polyester include mechanical and physical properties such as excellent balance of strength and stiffness, dimensional stability, creep resistance, heat resistance,high surface gloss and good inherent electrical properties at elevated temperature. It can be processed over a broad temperature range and has excellent flow properties. Rynite® thermoplastic polyester resins aretypically used in demanding applications in the automotive, electrical and electronics, appliances where they successfully replace metals and thermosets, as well as other thermoplastic polymers. Rynite® 935SUV BK593 is a 35% mica/glassreinforced, UV stabilized, modified polyethylene terephthalate resin with low warpage, developed for long-term outdoor applications.

This material data has been provided by Matmatch.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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23.0 °C

1.57 g/cm³

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ISO 1183



Elastic modulus

23.0 °C

9.7 GPa

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ISO 527-1/-2


23.0 °C

2.3 %

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ISO 527-1/-2

Impact strength, Charpy notched

23.0 °C

5 kJ/m²

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ISO 179/1eA

Impact strength, Charpy unnotched

23.0 °C

24 kJ/m²

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ISO 179/1eU

Poisson's ratio

23.0 °C

0.34 [-]

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Tensile strength

23.0 °C

80 MPa

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ISO 527-1/-2



Melting point

252 °C

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ISO 11357-1/-3 | 18°F/min


Glow Wire Flammability Index, 15mil: 750 °C, Glow Wire Flammability Index, 30mil: 750 °C, Glow Wire Flammability Index, 40mil: 750 °C, Glow Wire Flammability Index, 60mil: 750 °C, Glow Wire Flammability Index, 120mil: 960 °C, Glow Wire Ignition Temperature, 30mil: 750 °C, Glow Wire Ignition Temperature, 15mil: 750 °C, Glow Wire Ignition Temperature, 40mil: 750 °C, Glow Wire Ignition Temperature, 60mil: 750 °C, Glow Wire Ignition Temperature, 120mil: 875 °C, Glow Wire Temperature, No Flame, 30mil: 750 °C, Glow Wire Temperature, No Flame, 40mil: 750 °C, Glow Wire Temperature, No Flame, 60mil: 750 °C, Glow Wire Temperature, No Flame, 120mil: 850 °C, FMVSS Class: B -, Burning rate, Thickness 1 mm: <80 mm/min

Rheological Properties



23.0 °C

0.3 %

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ISO 294-4, 2577

Shrinkage, transverse

23.0 °C

0.7 %

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ISO 294-4, 2577

Technological properties


35% Glass Fiber and Mineral Powder

Processing methods

Drying Recommended: yes, Drying Temperature: 120°C, Drying Time, Dehumidified Dryer: 4-6h, Processing Moisture Content: ≤0.02%, Melt Temperature Optimum: 285°C, Min. melt temperature: 280°C, Max. melt temperature: 300°C, Max. screw tangential speed: 0.2m/s, Mold Temperature Optimum: 110°C, Min. mold temperature: 100°C, Max. mold temperature: 120°C, Hold pressure range: ≥80MPa, Hold pressure time: 4s/mm, Back pressure: As low as possible, Ejection temperature: 170°C