Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Plastics & Elastomers Functions
- Technologies
- Product Families
Features & Benefits
- Labeling Claims
Applications & Uses
- Markets
- Applications
- Plastics & Elastomers End Uses
- Plastics & Elastomers Processing Methods
Properties
- Color (Properties)
- Mechanical Properties
Value Units Test Method / Conditions Yield Stress (at 50 mm/min) (Dry) 53 MPa ISO 527-1/-2 Yield Strain (at 50 mm/min) 3.5 % ISO 527-1/-2 Charpy Notched Impact Strength (at 23°C) 4.0 kJ/m² ISO 179/1eA Nominal Strain (at break, 50 mm/min) min. 50 % ISO 527-1/-2 Charpy Unnotched Impact Strength (at 23°C) 190 kJ/m² ISO 179/1eU Tensile Modulus 2200.0 MPa ISO 527-1/-2 - Typical Properties
Value Units Test Method / Conditions Polymer Abbreviation PBT - - Natural Passed - - Black Passed - - Viscosity Number (Solution 0.005 g/ml Phenole/1,2 Dichlorbenzol 1:1) 115 cm³/g ISO 307, 1157, 1628 Moisture Absorption (Equilibrium, at 23°C/50% r.h.) 0.25 % Similar to ISO 62 Water Absorption (Equilibrium in Water at 23°C) 0.5 % Similar to ISO 62 Melt Volume Flow Rate (at 275°C/2.16 kg) 50 cm³/10min ISO 1133 Density 1300.0 kg/m³ ISO 1183 Bulk Density approx. 0.7 g/cm³ - - Thermal Properties
Value Units Test Method / Conditions Heat Deflection Temperature A (1.80 MPa) 55 °C ISO 75-1/-2 Heat Deflection Temperature B (0.45 MPa) 130 °C ISO 75-1/-2 Service Temperature (Short Cycle Operation) max. 200 °C - - Electrical Properties
Value Units Test Method / Conditions Electric Strength K20/K20 (60*60*1 mm³) 36 kV/mm IEC 60243-1 - Shrinkage
Value Units Test Method / Conditions Molding Shrinkage (Free, Longitudinal, Plate, with Film Gate) ² 1.8 % - Molding Shrinkage (Free, Transversal, Plate with Film Gate) ² 1.9 % - - Flammability
Value Units Test Method / Conditions Burning Behavior (at Thickness d = 0.4 mm) HB class UL-94, IEC 60695 Burning Behavior (at Thickness d = 0.4 mm) HB class IEC 60695-11-10 - Injection Molding
Value Units Test Method / Conditions Melt Temperature (Range) 250 - 275 °C - Melt Temperature (Optimal) 260 °C - Mold Temperature (Range) 40 - 70 °C - Mold Temperature (Optimal) 60 °C - - Drying
Value Units Test Method / Conditions Moisture max. 0.04 % - Drying Time 4 h - Dryer Temperature (Optimal) ¹ 100 °C - - Machine Settings
Value Units Test Method / Conditions Temperature Hopper Throat 80 °C - Cylinder Temperature 1 (Feed Zone) 260 °C - Cylinder Temperature 2 (Compression) 260 °C - Cylinder Temperature 3 (Metering-zone, in Front of the Screw) 260 °C - Cylinder Temperature 4 (Nozzle) 260 °C - Peripheral Screw Speed max. 0.25 m/s - - Processing Properties
Value Units Test Method / Conditions Melting Temperature 223.0 °C ISO 11357-1/-3, DSC Melt Temperature (Injection Molding/Extrusion) 250 - 275 °C - Mould Temperature (Injection Molding) 40 - 70 °C - Burning Behavior (at Thickness d = 1.5 mm) HB class IEC 60695-11-10 - Notes
1. Dry air dryer or vacuum dryer
2. Plate 150 x 150 x 3 mm, film gated
Regulatory & Compliance
- Certifications & Compliance
- Quality Standards
Safety & Health
- Product Safety
Ultradur® melts are stable at temperatures up to 280°C and do not give rise to hazards due to molecular degradation or the evolution of gases and vapors.
Like all thermoplastic polymers, however, Ultradur decomposes on exposure to excessive thermal stresses, e.g. when it is overheated or as a result of cleaning by burning off.
At temperatures of > 290 °C can be emitted: carbon monoxide, tetrahydrofuran.
Under special fire conditions traces of other toxic substances are possible.
Formation of further decomposition and oxidation products depends upon the fire conditions.
When Ultradur® is properly processed and there is adequate suction at the die no risks to health are to be expected.
Packaging & Availability
- Packaging Information
Standard packaging includes the 25-kg-bag, the 1000 kg octabin (octagonal container) or the 1000 kg big bag.
Other forms of packaging are possible subject to agreement. All containers are tightly sealed and should be opened only immediately prior to processing.
Further precautions for preliminary treatment and drying are described in the processing section of the brochure.
Storage & Handling
- Storage Conditions
Ultradur® can be stored for a longer period of time in dry, well vented rooms without causing problems in processing.
Ultradur® should generally have a moisture content of less than 0,04% when being processed.
Pre-drying is also for the addition of batches, e.g. in the case of inhouse pigmentation. In order to prevent the formation of condensed water, containers stored in unheated rooms must only be opened when they have attained the temperature prevailing in the processing area.
This can possibly take a very long time. Measurements have shown that the interior of a 25-kg bag originally at 5°C had reached the temperature of 20°C in the processing area only after 48 hours.