• 塑料

模本兰® UT235 M RE

(PC+PET) blend; 15 % mineral filled; easy flowing; low coefficient of linear thermal expansion; easy release; molded parts from Makroblend® UT235 M having exceptional dimensional stability

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关于

材料类型

  • PC+PET共混物

材料

塑料
耐热, CQ 可再生份额, 尺寸稳定

一般特征

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储存条件

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样品

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包装类型

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技术属性和数据表

Product description

(PC+PET) blend; 15 % mineral filled; easy flow; low coefficient of linear thermal expansion; easy release; molded parts show exceptional dimensional stability

Applications

Injection molding

Sustainability

Partially bio-circular product attributed via mass balance in accordance with the ISCC PLUS standard. The certified material share is detailed in the sustainability declaration.

Typical Values

Rheological properties

Property Test Condition Value Unit Standard
Melt Volume-flow Rate (MVR) 270 °C/5 kg 43 cm³/10 min ISO 1133-1
Molding Shrinkage, parallel 60×60×2 mm; 350 bar 0.50 % ISO 294-4
Molding Shrinkage, parallel 60×60×2 mm; 650 bar 0.33 % ISO 294-4
Molding Shrinkage, normal 60×60×2 mm; 350 bar 0.61 % ISO 294-4
Molding Shrinkage, normal 60×60×2 mm; 650 bar 0.33 % ISO 294-4
Total shrinkage, parallel 60×60×2 mm; 350 bar; 1 h 90 °C 0.59 % ISO 294-4
Total shrinkage, parallel 60×60×2 mm; 650 bar; 1 h 90 °C 0.45 % ISO 294-4
Total shrinkage, normal 60×60×2 mm; 350 bar; 1 h 90 °C 0.64 % ISO 294-4
Total shrinkage, normal 60×60×2 mm; 650 bar; 1 h 90 °C 0.44 % ISO 294-4

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

Property Test Condition Value Unit Standard
Tensile modulus 1 mm/min 4,500 MPa ISO 527-1,-2
Yield Stress 5 mm/min 68 MPa ISO 527-1,-2
Yield Strain 5 mm/min 3.5 % ISO 527-1,-2
Strain at Break 5 mm/min 4 % ISO 527-1,-2
Stress at Break 5 mm/min 67 MPa ISO 527-1,-2
Flexural Modulus 2 mm/min 4,650 MPa ISO 178
Flexural Strength 2 mm/min 115 MPa ISO 178
Flexural Strain at Flexural Strength 2 mm/min 5 % ISO 178
Flexural Stress at 3.5 % Flexural Strain 2 mm/min 110 MPa ISO 178
Izod Impact Strength 23 °C 75 kJ/m² ISO 180/U
Izod Impact Strength -30 °C 75 kJ/m² ISO 180/U
Charpy Impact Strength 23 °C 85 kJ/m² ISO 179-1/1eU
Charpy Impact Strength -30 °C 85 kJ/m² ISO 179-1/1eU
Puncture Impact Properties - Maximum Force 23 °C 4,500 N ISO 6603-2
Puncture Energy 23 °C 36 J ISO 6603-2

Thermal properties

Property Test Condition Value Unit Standard
Temperature of Deflection under Load 1.80 MPa 114 °C ISO 75-1,-2
Temperature of Deflection under Load 0.45 MPa 128 °C ISO 75-1,-2
Vicat Softening Temperature 50 N; 120 °C/h 139 °C ISO 306
Coefficient of Linear Thermal Expansion, parallel 23 to 55 °C 0.45 10⁻⁴/K ISO 11359-1,-2
Coefficient of Linear Thermal Expansion, parallel 23 to 85 °C 0.45 10⁻⁴/K ISO 11359-1,-2
Coefficient of Linear Thermal Expansion, normal 23 to 55 °C 0.45 10⁻⁴/K ISO 11359-1,-2
Coefficient of Linear Thermal Expansion, normal 23 to 85 °C 0.48 10⁻⁴/K ISO 11359-1,-2

Other properties (23 °C)

Property Test Condition Value Unit Standard
Water Absorption (Saturation Value) Water at 23 °C 0.4 % ISO 62
Water Absorption (Equilibrium Value) 23 °C; 50 % r. h. 0.2 % ISO 62
Density 1,340 kg/m³ ISO 1183-1
Filler Content Method A 15 % b.o. ISO 3451-1

Processing conditions for test specimens

Property Test Condition Value Unit Standard
Injection Molding - Melt Temperature 270 °C ISO 294-1
Injection Molding - Mold Temperature 70 °C ISO 294-1
Injection Molding - Injection Velocity 200 mm/s ISO 294-1

Recommended processing and drying conditions

Property Test Condition Value Unit Standard
Melt Temperatures 260 - 280 °C
Standard Melt Temperature 270 °C
Barrel Temperatures Rear 220 - 230 °C
Barrel Temperatures Middle 240 - 250 °C
Barrel Temperatures Front 260 - 270 °C
Barrel Temperatures Nozzle 270 - 280 °C
Mold Temperatures 70 - 80 °C
Hold Pressure (% of Injection Pressure) 50 - 75 %
Plastic Back Pressure (specific) 50 - 100 bar
Peripheral Screw Speed 0.1 - 0.2 m/s
Shot-to-Cylinder Size 30 - 70 %
Dry Air Drying Temperature 110 °C
Dry Air Drying Time 2 - 4 h
Moisture Content max. (%) ≤ 0.01 %
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, medical products (e.g., medical devices), 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.

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 .

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