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Nº de artículo:
20789729
Polytek 74-45 Liquid Polyurethane Rubber (4lb Kit)
89% of respondents would recommend this to a friend
Nº de artículo:
20789729
HNL 2923
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What Stands Out
Durability
The Polytek 74-45 offers exceptional durability, ensuring long-lasting molds that withstand repeated use and maintain their shape under various conditions.
Versatility
Ideal for various applications, this polyurethane rubber can be used for casting, prototyping, and creating detailed molds, catering to artists and manufacturers alike.
Ease of Use
With user-friendly mixing ratios and working times, Polytek 74-45 allows for straightforward application, making it suitable for both beginners and experienced users in the mold-making process.
Detalles de producto
- Two-part liquid polyurethane system
- Cures to yellow Shore A45 rubber
- Mix ratio of 1A:1B
- 30-minute pour time
- 16-hour demold time
- Can be thickened with PolyFiber II Thickener for brush-on application
| Manufacturer | Polytek |
| Date First Available | September 20, 2017 |
| Item Weight | 4 lbs (1.81 kg) |
Who Should Buy?
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Mold Makers
Ideal for creating high-quality molds due to its excellent detail reproduction and durability.
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Cosplay Enthusiasts
Great for crafting realistic costume parts and props, offering flexibility and a lifelike finish.
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Small Manufacturers
Beneficial for businesses producing limited runs of custom parts or prototypes, ensuring accuracy and repeatability.
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Large Scale Projects
Not suitable for very large mold-making tasks due to its limited pour volume and potential cost.
DESCRIPCIÓN DEL PRODUCTO
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Preguntas y respuestas de los clientes
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Pregunta:
What is Polytek 74-45 Liquid Polyurethane Rubber primarily used for?
Respuesta: Polytek 74-45 Liquid Polyurethane Rubber is primarily utilized for mold making and casting applications. Ideal for creating flexible molds, it allows for detailed reproductions in a variety of materials such as plaster, concrete, and resin. Its flexibility makes it an excellent choice for intricate designs, enabling artists, sculptors, and manufacturers to produce high-quality replicas of their creations with ease. -
Pregunta:
How is Polytek 74-45 Liquid Polyurethane Rubber mixed and prepared?
Respuesta: To mix Polytek 74-45, combine the two components—Part A (Base) and Part B (Curing Agent)—in the specified ratio, which is typically equal parts by weight. Stir thoroughly until a uniform mixture is achieved, ensuring there are no streaks. This preparation is crucial as it affects the rubber's curing process and final properties, making accurate mixing essential for optimal performance in mold making. -
Pregunta:
What are the properties of Polytek 74-45 Liquid Polyurethane Rubber?
Respuesta: Polytek 74-45 Liquid Polyurethane Rubber boasts excellent tear resistance, flexibility, and durability. Its low viscosity allows for easy pourability, which is particularly advantageous for capturing fine details in molds. These properties make it suitable for various applications, from artistic endeavors to industrial uses, providing the reliability needed for long-lasting molds that resist degradation over time. -
Pregunta:
Can Polytek 74-45 be colored or tinted?
Respuesta: Yes, Polytek 74-45 can be easily tinted using compatible colorants or pigments, allowing for creative expression in your projects. Adding color not only enhances visual appeal but can also aid in identifying different layers or parts of your molds. Colored molds can be beneficial when creating artworks, prototypes, or decorative items, providing a distinct look in the finished products. -
Pregunta:
Is Polytek 74-45 suitable for food-safe applications?
Respuesta: Polytek 74-45 Liquid Polyurethane Rubber is not considered food-safe. For projects involving food contact, it is recommended to use designated food-grade silicones or rubbers that comply with safety standards. Therefore, it’s crucial to choose the right material based on the intended use to ensure safety and compliance with health regulations in food-related applications. -
Pregunta:
How long does it take for Polytek 74-45 to cure?
Respuesta: Polytek 74-45 typically requires about 24 hours to cure fully at room temperature. However, the effective working time is approximately 30 minutes, allowing you to mold and shape your creations before it begins to set. Understanding the curing times enables you to plan your projects effectively, ensuring ample time for application and adjustments while achieving optimal results. -
Pregunta:
What is the shelf life of Polytek 74-45?
Respuesta: When stored correctly in a cool, dry place, Polytek 74-45 Liquid Polyurethane Rubber has a shelf life of about one year. To maximize its longevity, keep containers tightly sealed to avoid moisture exposure, which can negatively impact the product's performance. Knowing the shelf life helps users plan their projects and purchase only what is necessary, reducing waste and ensuring quality. -
Pregunta:
Can I use Polytek 74-45 for outdoor projects?
Respuesta: While Polytek 74-45 is primarily designed for indoor applications, it can be used for outdoor projects if properly finished. Applying a UV-resistant topcoat can help protect the rubber from sun exposure and prolong its durability in outdoor conditions. This is particularly useful for garden sculptures or decorative elements that will be exposed to the elements, ensuring they maintain their integrity over time. -
Pregunta:
What tools do I need to work with Polytek 74-45?
Respuesta: To work effectively with Polytek 74-45, you’ll need basic tools such as a digital scale for accurate measurements, mixing containers, a stir stick, and molds for casting. Additional tools like brushes or spatulas might be helpful for applying the rubber in intricate areas. Having the right tools will optimize your workflow and enhance the quality of your finished molds or castings. -
Pregunta:
Where can I buy Polytek 74-45 Liquid Polyurethane Rubber 4lb Kit?
Respuesta: You can purchase the Polytek 74-45 Liquid Polyurethane Rubber 4lb Kit from Ubuy in Honduras. Ubuy offers a convenient online shopping experience, ensuring you can access this high-quality product along with detailed descriptions, specifications, and customer reviews to help inform your purchase.
Polytek Molding & Casting Editorial Review
Polytek 74-45 Liquid Polyurethane Rubber (4lb Kit) is a versatile product ideal for creating durable molds and castings. This advanced polyurethane rubber offers great flexibility and excellent tear strength, making it suitable for various applications in crafts and industrial use. It has been available since September 20, 2017, from the reputable manufacturer Polytek. Users find it easy to mix and pour, ensuring precise and accurate results. This product is well-received for its quality, allowing hobbyists and professionals alike to achieve impressive finishes in their projects.
Customer Reviews & Ratings
1 valoraciones de los clientes
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5 estrella
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ventajas
- Easy to mix and pour for precision
- High flexibility for various applications
- Excellent tear strength for durability
- Great for crafts and industrial use
- Well-received quality by users
Contras
- Limited information on long-term usage effects
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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características y beneficios
- Pourable liquid polyurethane rubber
- Cures to a yellow, Shore A45 rubber
- Can be thickened with PolyFiber II for brush-on application
- Pours within 30 minutes and demolds within 16 hours
- Cured color is yellow
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