características y beneficios
- Two-part, liquid polyurethane system
- Pourable rubber that cures (RTV) to an amber color
- Can be easily thickened for brush-on application
- Shore Hardness: A30
- Pour Time: 25-30 min
- Demold Time: 16 hr
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Nº de artículo:
7981449
Polytek 74-30 Liquid Polyurethane Rubber (16lb Kit)
Nº de artículo:
7981449
0 ratings
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Poly 74-30 Liquid Rubber is a versatile, pourable polyurethane system perfect for making molds, casting and creating objects that require a soft, flexible and durable compound.
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What Stands Out
High Durability
Polytek 74-30 offers exceptional durability, ensuring that molded items withstand wear and tear, making it ideal for both professional craftsmen and hobbyists needing reliable, long-lasting rubber materials.
User-Friendly
This pourable rubber is easy to mix and pour, simplifying the process for users at all skill levels. Its straightforward application allows for quick project completion without compromising quality.
Versatile Applications
Ideal for numerous applications, from creating molds to casting, Polytek 74-30 caters to diverse industries, making it a go-to choice for artists, engineers, and DIY enthusiasts looking for flexibility in project use.
Detalles de producto
- Two-part liquid polyurethane system
- Cures to an amber color (color varies) with Shore A30 hardness
- Mix ratio: 1A:1B
- Pour time: 25-30 minutes
- Demold time: 16 hours
- Can be thickened with PolyFiber II Thickener for brush-on application
| Is Discontinued By Manufacturer | No |
| Manufacturer | Polytek |
| Date First Available | September 18, 2017 |
| Package Weight | 20 Pound |
Who Should Buy?
-
Mold Makers
Ideal for creating flexible molds for casting resin, plaster, or other materials with high detail and undercuts.
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Prototyping Professionals
Perfect for fabricating prototypes needing durable, flexible, and resilient rubber components in various industries.
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DIY Enthusiasts
Great for hobbyist projects, allowing users to experiment with custom molds and shapes for crafts or personal use.
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Casual Users
Not suitable for individuals without experience, as handling and mixing require precision for optimal results.
DESCRIPCIÓN DEL PRODUCTO
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Preguntas y respuestas de los clientes
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Pregunta:
What is Polytek 74-30 Liquid Polyurethane Rubber used for?
Respuesta: Polytek 74-30 Liquid Polyurethane Rubber is primarily used for making flexible molds, castings, and prototypes. This material is favored by artists, sculptors, and industrial designers for its high durability and tear resistance. It's particularly useful in creating molds for detailed objects, as it captures intricate details effectively. For instance, it's ideal for reproducing art pieces, architectural details, and even decorative elements in various materials. -
Pregunta:
How do I mix Polytek 74-30 Liquid Polyurethane Rubber?
Respuesta: Mixing Polytek 74-30 involves combining equal parts of Part A (resin) and Part B (hardener) by weight. It's crucial to mix thoroughly until you achieve a consistent mixture; uneven mixing can result in weak spots or incomplete curing. After mixing, the material has a pot life that allows you to pour the rubber into molds. Users often find this beneficial when needing to create multiple copies of a model, enabling efficient production. -
Pregunta:
What is the curing time for Polytek 74-30 Liquid Polyurethane Rubber?
Respuesta: Polytek 74-30 typically cures within 18-24 hours at room temperature, depending on the ambient conditions. This curing time allows for an optimal development of strength and flexibility, making it suitable for both small and large applications. Users often engage in planning projects where they can create multiple components using this timeframe to streamline their workflow efficiently. -
Pregunta:
Is Polytek 74-30 safe to use?
Respuesta: Polytek 74-30 Liquid Polyurethane Rubber is generally safe when used according to the provided guidelines. It's recommended to use it in well-ventilated areas and utilize appropriate personal protective equipment, such as gloves and masks. The safety measures are crucial when handling and mixing chemicals, ensuring a safe working environment. Many craftsmen and DIY enthusiasts appreciate its manageable nature when safety protocols are followed diligently. -
Pregunta:
Can I color Polytek 74-30 Liquid Polyurethane Rubber?
Respuesta: Yes, Polytek 74-30 can be colored by adding various pigments specifically designed for polyurethane rubbers. These pigments can create vibrant and stunning colors that enhance the visuals of your finished castings. This feature is particularly popular among artists who want to create eye-catching, colorful sculptures or functional items, allowing for extensive creative freedom in design. -
Pregunta:
What are the storage recommendations for Polytek 74-30?
Respuesta: To extend the shelf life of Polytek 74-30, it should be stored in a cool, dry place away from direct sunlight and heat sources. Ensure that the containers are well-sealed to prevent moisture absorption and contamination. Proper storage helps maintain the quality of the components, ensuring reliable performance during mixing and curing. Users often find that adhering to these guidelines significantly prolongs usability for their projects. -
Pregunta:
What applications are best suited for Polytek 74-30 Liquid Polyurethane Rubber?
Respuesta: Polytek 74-30 is well-suited for applications such as mold-making for casting concrete, plaster, wax, and low-melt metal, as well as for creating flexible parts and prototypes. Its excellent elongation and durability make it ideal for projects that require high detail and flexibility, like special effects in the film industry or detailed hobbyist projects. This versatility makes it a favorite among professionals and hobbyists alike. -
Pregunta:
Can I use Polytek 74-30 for food-grade applications?
Respuesta: Polytek 74-30 is not food-safe and should not be used for applications that involve direct contact with food products. It is crucial to choose formulations that are specifically labeled as food-safe for any food-related projects. Users often seek alternative products specifically designed for food contact when creating molds for culinary purposes, ensuring safety and compliance with health regulations. -
Pregunta:
How do I clean up after using Polytek 74-30?
Respuesta: Cleanup after using Polytek 74-30 can be efficiently managed with solvents such as acetone or denatured alcohol, which can remove uncured material from tools and surfaces. It's essential to clean up right after use to prevent the material from curing on your equipment. Many users find that preparing a cleanup station with these solvents simplifies the process and keeps their workspace organized. -
Pregunta:
Where can I buy Polytek 74-30 Liquid Polyurethane Rubber 16lb Kit in Panama?
Respuesta: You can conveniently purchase the Polytek 74-30 Liquid Polyurethane Rubber 16lb Kit from Ubuy in Panama. Ubuy is known for its extensive range of specialized products, ensuring that you can find exactly what you need with reliable service and product options.
Polytek Molding & Casting Editorial Review
This two-part liquid plastic is an effective product for making molds for various materials. Its kit comes with two gallons of material, and mixing it is not a hassle. However, some users have experienced issues with parts not curing entirely, which may be due to not mixing the two parts thoroughly or using an old product. The product is not thermally conductive, and it should not be frozen, so users should take care in handling it. Overall, this product has received mostly positive reviews for its effectiveness in making molds.
Customer Reviews & Ratings
14 valoraciones de los clientes
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5 estrella
88%
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4 estrella
12%
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3 estrella
0%
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2 estrella
0%
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1 estrella
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ventajas
- Effective for making molds for various materials
- Kit provides two gallons of material
- Mixing is not a hassle
Contras
- May experience issues with parts not curing entirely if not mixed thoroughly or using an old product
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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