• Plastics

Apec® 1745

Copolycarbonate; MVR (330 °C/2.16 kg) 17 cm³/10 min; easy release; for superheated steam sterilization up to 143 °C; meets criteria of US Pharmacopeia (USP) Class VI; biocompatible according to many ISO 10993-1 test requirements; softening temperature (VST/B 120) = 170 °C

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About

Product Types

  • Polycarbonate

Material

Plastics
Medical, Heat resistant

General Characterization

No data available

Storage Conditions

No data available

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Product description

Copolycarbonate; MVR (330 °C/2.16 kg) 17 cm³/10 min; easy release; for superheated steam sterilization up to 143 °C; meets criteria of US Pharmacopeia (USP) Class VI; biocompatible according to many ISO 10993-1 test requirements; softening temperature (VST/B 120) = 170 °C

Applications

Injection molding; Films for medical packaging; Contact lens holders; Medical vessels; Safety valve for respiration aids; Syringe tops

Typical Values

Rheological properties

Property Test Condition Value Unit Standard
Melt Volume-flow Rate (MVR) 330 °C/ 2.16 kg 17 cm³/10 min ISO 1133-1
Melt Mass-flow Rate (MFR) 330 °C/ 2.16 kg 17 g/10 min ISO 1133-1
Molding Shrinkage, parallel 60x60x2 mm 0.80 % ISO 294-4
Molding Shrinkage, parallel 60x60x2 mm/ 500 bar 0.85 % ISO 294-4
Molding Shrinkage, normal 60x60x2 mm 0.80 % ISO 294-4
Molding Shrinkage, normal 60x60x2 mm/ 500 bar 0.85 % ISO 294-4

Mechanical properties (23 °C/50 % r. h.)

Property Test Condition Value Unit Standard
Tensile modulus 1 mm/min 2,400 MPa ISO 527-1,-2
Yield Stress 50 mm/min 70 MPa ISO 527-1,-2
Yield Strain 50 mm/min 6.8 % ISO 527-1,-2
Nominal Strain at Break 50 mm/min > 50 % ISO 527-1,-2
Flexural Modulus 2 mm/min 2,400 MPa ISO 178
Ball Indentation Hardness 120 N/mm² ISO 2039-1

Thermal properties

Property Test Condition Value Unit Standard
Temperature of Deflection under Load 0.45 MPa 161 °C ISO 75-1,-2
Temperature of Deflection under Load 1.80 MPa 148 °C ISO 75-1,-2
Vicat Softening Temperature 50 N; 120 °C/h 170 °C ISO 306
Coefficient of Linear Thermal Expansion, parallel 23 to 55 °C 0.65 10⁻⁴/K ISO 11359-1,-2
Coefficient of Linear Thermal Expansion, normal 23 to 55 °C 0.65 10⁻⁴/K ISO 11359-1,-2
Burning Behavior 1.5 mm HB UL 94
Oxygen Index Method A 25 % ISO 4589-2
Glow Wire Test (GWFI) 850 °C IEC 60695-2-12
Glow Wire Test (GWFI) 2.0 mm 850 °C IEC 60695-2-12

Electrical properties (23 °C/50 % r. h.)

Property Test Condition Value Unit Standard
Relative Permittivity 1 MHz 2.9 IEC 60250
Relative Permittivity 100 Hz 3.0 IEC 60250
Dielectric Dissipation Factor 1 MHz 80 10⁻⁴ IEC 60250
Dielectric Dissipation Factor 100 Hz 10 10⁻⁴ IEC 60250
Volume Resistivity 1E15 Ω·m IEC 60093
Volume Resistivity 1E15 Ω·m IEC 62631-3-1
Surface Resistivity 1E16 IEC 60093
Surface Resistivity 1E16 IEC 62631-3-2
Electric Strength 1 mm 35 kV/mm IEC 60243-1
Comparative Tracking Index (CTI) Solution A 250 IEC 60112
Comparative Tracking Index (CTI M) Solution B 125 IEC 60112
Electrolytic Corrosion A1 IEC 60426

Other properties (23 °C)

Property Test Condition Value Unit Standard
Water Absorption (Saturation Value) Water at 23 °C 0.3 % ISO 62
Water Absorption (Equilibrium Value) 23 °C; 50 % r. h. 0.12 % ISO 62
Density 1,170 kg/m³ ISO 1183-1

Material specific properties

Property Test Condition Value Unit Standard
Luminous Transmittance (Clear Transparent Materials) 1 mm 88 % ISO 13468-2
Refractive Index Procedure A 1.578 ISO 489

Processing conditions for test specimens

Property Test Condition Value Unit Standard
Injection Molding - Melt Temperature 330 °C ISO 294
Injection Molding - Mold Temperature 100 °C ISO 294
Injection Molding - Injection Velocity 200 mm/s ISO 294

Recommended processing and drying conditions

Property Test Condition Value Unit Standard
Standard Melt Temperature 330 °C
Barrel Temperatures Nozzle 320 - 330 °C
Barrel Temperatures Front 310 - 320 °C
Barrel Temperatures Middle 300 - 310 °C
Barrel Temperatures Rear 290 - 300 °C
Mold Temperatures 110 - 130 °C
Hold Pressure (% of Injection Pressure) 50 - 75 %
Plastic Back Pressure (specific) 50 - 150 bar
Peripheral Screw Speed 0.05 - 0.2 m/s
Shot-to-Cylinder Size 30 - 70 %
Dry Air Drying Temperature 130 °C
Dry Air Drying Time 2 - 3 h
Moisture Content max. (%) ≤ 0.02 %
Vent Depth 0.025 - 0.075 mm

Health and Safety Information

Before working with this product, you must read and become familiar with the available information regarding its risks, proper use, and safe handling. This information is provided in various formats, including the current Safety Data Sheet (SDS) and product label. SDS can be accessed via the following link:

Safety Data Sheets (SDS) for Covestro products | Covestro

For further questions, please use the contact information provided on this technical data sheet.

Please note that for products manufactured in different colors, safety data may vary depending on the color variant.

Disclaimer

Responsibility and Liability

The use of Covestro products, technical assistance, and information (regardless of how provided) is outside Covestro’s control and is solely the responsibility of the customer. The customer must conduct adequate testing to determine the suitability of products for its intended use, including but not limited to technical, health, safety, and environmental aspects. Unless otherwise agreed in writing, all products are sold exclusively under Covestro’s standard conditions of sale, which prevail in case of conflict and are available upon request.
The terms and conditions of sale and delivery are available via the following link:

https://order.covestro.com/covestrostorefront/saleConditions

All information is provided “as is” without warranties, express or implied, including merchantability or fitness for a particular purpose, and is subject to change without notice. To the maximum extent permitted by law, Covestro disclaims, and the customer assumes all liability for losses, damages, or claims arising out of use of Covestro products, technical assistance, or information. Any statement or recommendation not expressly contained in Covestro documentation is unauthorized and shall not bind Covestro. Nothing herein shall be construed as encouraging or recommending the use of any product in conflict with any claim of any patent. No license is implied or in fact granted under the claims of any patent.

Restrictions on Regulated Applications

This product is not intended for use in regulated applications such as agriculture, cosmetics, drinking water contact, food contact, toys, or similar uses subject to specific regulatory requirements. Prior written approval from Covestro is required before this product may be used in any regulated application. The customer is solely responsible for ensuring compliance with all applicable laws and determining product suitability. Covestro disclaims all liability and warranties for unauthorized regulated uses.

Conditional Use for Medical Applications

This product may be suitable for certain medical application (e.g., medical devices). Use of this product in any medical application is subject to the requirements in Covestro’s guidance document ‘Guidance on Use of Covestro Products in a Medical Application’. As discussed in the document, limited applications require prior written approval from Covestro. Covestro disclaims all liability for medical uses not in compliance with this guidance.

Guidance on Use of Covestro Products in a Medical Application

Typical Value

These values are provided as typical data only and do not constitute binding specifications or warranted performance, unless explicitly agreed by Covestro in writing. Performance may vary depending on factors including, but not limited to, mold/die, processing conditions and coloring/pigmentation. Unless otherwise stated, values are based on standardized test specimens at room temperature.

Sample

Samples provided by Covestro are intended solely for evaluation and testing purposes by the customer and may not be used in commercial applications, resold, transferred to third parties (except qualified testing service providers acting on behalf of the customer), reverse engineered, modified, or used in any manner not explicitly authorized in writing by Covestro. Samples are provided ‘as-is’ without any warranties, express or implied, including fitness for a particular purpose. Customers are solely responsible for ensuring safe handling, regulatory compliance, and suitability of the material for their intended evaluations. Covestro disclaims all liability for damages or losses arising from the use of samples.

Shrinkage

Shrinkage data is provided for reference only and is based on plaques molded under specific, controlled processing conditions. Actual shrinkage values in production parts may vary due to numerous factors, including but not limited to part design (e.g., size, thickness, geometry), mold design (e.g., gate type and location, runner design, mold materials, cooling system), and molding conditions (e.g., processing temperature, mold temperature, packing time and pressure, injection speed).
The determination and application of shrinkage values are the sole responsibility of the customer and must be based on their own testing and experience under actual production conditions. To the maximum extent permitted by law, Covestro shall not be liable for any damages, losses, or claims arising from the use of, or reliance on, the shrinkage data provided.

Recommended Processing and Drying Conditions

The recommended processing and drying conditions are provided for reference only and do not constitute binding specifications or warranted values. Barrel temperatures are based on a standard 3-zone barrel; other configurations may require different settings. Values for hold pressure as a percentage of injection pressure may vary depending on part geometry, injection molding machine, and injection mold. Drying conditions are specified for dry air dryers only; drying times and temperatures may differ depending on the dryer type.
Processors are solely responsible for validating and optimizing processing parameters for their specific equipment and applications. To the maximum extent permitted by law, Covestro disclaims all liability for performance outcomes or damages resulting from reliance on these recommended conditions.

Contact Information

Please use our contact form or contact us directly by sending an e-mail to technical-datasheets@cx.covestro.com .

Downloads

Technical Data Sheet
Download
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com
Spannung-Dehnung Apec® 1745 (Multipoint Data Sheet)
Dynamischer Schubmodul - Temperatur Apec® 1745 (Multipoint Data Sheet)
Sekantenmodul-Dehnung Apec® 1745 (Multipoint Data Sheet)
Viscosity Shear Rate Apec® 1745 (Multipoint Data Sheet)
Secant modulus - Strain Apec® 1745 (Multipoint Data Sheet)
Viskosität Schergeschwindigkeit Apec® 1745 (Multipoint Data Sheet)
Dynamic Shear Modulus – Temperature Apec® 1745 (Multipoint Data Sheet)
Stress-Strain Apec® 1745 (Multipoint Data Sheet)

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