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Item #:
14281237
Polytek Poly 74-20 Liquid Polyurethane Rubber (120-lb Kit)
Item #:
14281237
TWD 39395
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Poly 74-20 is a pourable rubber, but it can be easily thickened with PolyFiber II Thickener for brush-on application.
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What Stands Out
High Durability
Poly 74-20 offers outstanding durability, ensuring long-lasting molds and parts that withstand wear and tear without compromising quality, ideal for industrial or artistic applications.
User-Friendly
Designed for ease of use, this liquid polyurethane rubber mixes smoothly and cures effectively, making it accessible for both professional and DIY users seeking reliable casting solutions.
Versatile Applications
Suitable for various projects, Poly 74-20 adapts to different needs, from mold-making and prototyping to artistic creations, providing exceptional performance for diverse creative expressions.
Product Details
- Two-part liquid polyurethane system
- Cures to a yellow, Shore A20 rubber
- Softest rubber in the Poly 74-Series line
- Pourable rubber that can be thickened for brush-on application
- Mix ratio of 1A:2B
- Pour time of 20 minutes
| Item model number | PT-7420-120 |
| Is Discontinued By Manufacturer | No |
| Manufacturer | Polytek |
| Date First Available | September 18, 2017 |
| Item Weight | 120 lbs (54.43 kg) |
Who Should Buy?
-
Professional Mold Makers
Ideal for creating high-quality molds due to its durability and ease of use for intricate designs.
-
Artisans and Craftsmen
Perfect for artists needing flexible molds for casting detailed art pieces like sculptures and decorations.
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Hobbyists
Great for DIY enthusiasts working on home projects or prototypes requiring reliable liquid rubber solutions.
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Beginners
May be challenging for novices due to the complexity of mixing and pouring without prior experience.
Product Description
Polytek Poly 74-20 Liquid Polyurethane Rubber (120-lb Kit)
About This Item
Introducing the Polytek Poly 74-20 Liquid Polyurethane Rubber 120-lb Kit Looking for a reliable and versatile rubber solution? Look no further than the Polytek Poly 74-20 Liquid Polyurethane Rubber Kit. This high-quality two-part polyurethane system cures to form a durable and flexible yellow rubber, perfect for a variety of applications. With a Shore A20 hardness, the Poly 74-20 is the softest rubber available in the Poly 74-Series line of polyurethane mold rubbers. This makes it ideal for creating molds that require a soft and flexible finish, ensuring accurate and detailed reproductions. One of the key features of the Poly 74-20 Liquid Rubber is its pourable consistency, allowing for easy and hassle-free application.
However, if you prefer a brush-on method, you can easily thicken it with the PolyFiber II Thickener included in this kit. Whether you are a professional mold maker, a DIY enthusiast, or someone looking for a reliable solution for your crafting and mold-making needs, the Polytek Poly 74-20 Liquid Polyurethane Rubber Kit is the perfect choice. Its versatility, durability, and ease of use make it suitable for a wide range of applications. Don't compromise on the quality of your projects. Choose the Polytek Poly 74-20 Liquid Polyurethane Rubber Kit and achieve outstanding results every time.
Order yours today and experience the difference it can make in your mold-making projects. Keywords: Polyurethane Rubber Kit, Liquid Polyurethane Rubber, Poly 74-20 Polyurethane, Polytek Polyurethane Rubber, Poly 74-20 Rubber Kit.
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Customer Questions & Answers
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Question:
What is Polytek Poly 74-20 Liquid Polyurethane Rubber used for?
Answer: Polytek Poly 74-20 Liquid Polyurethane Rubber is commonly used for creating flexible molds, castings, and various prototypes. It offers excellent elasticity and durability, making it perfect for applications in crafting, special effects, and even industrial uses. If you're involved in making custom parts, props, or artistic pieces, this product serves as a reliable choice for achieving detailed results. -
Question:
How do you mix Polytek Poly 74-20 Liquid Polyurethane Rubber?
Answer: Mixing Polytek Poly 74-20 involves a simple 1:1 ratio by weight of Part A and Part B. It is essential to measure the components accurately and mix thoroughly for about 2-3 minutes to ensure a consistent blend. Use a clean container and a mixing stick. This thorough mixing process is crucial for achieving the product's full physical properties, ensuring it cures properly for high-quality results in your projects. -
Question:
What are the curing times for Poly 74-20?
Answer: Poly 74-20 has a working time of approximately 20 minutes at room temperature and typically cures completely within 24 hours. Factors like temperature and humidity can affect curing time, so it's advisable to work quickly but efficiently. Knowing the curing times helps plan your projects better, especially when making multiple molds or working with time-sensitive applications. -
Question:
Can Poly 74-20 be painted after curing?
Answer: Yes, once fully cured, Polytek Poly 74-20 can be painted. It is recommended to use paints that are compatible with polyurethane rubber. For the best results, lightly sand the surface to enhance paint adhesion. This versatility allows artists and makers to easily customize their finished pieces, whether you're creating prototypes or artistic displays. -
Question:
Is Poly 74-20 food-safe?
Answer: Polytek Poly 74-20 is not considered food-safe and should not be used for applications involving direct contact with food. For food-safe molds, it is vital to use materials specifically designed and certified for such use. Ensuring safety in food-related projects protects consumers and maintains compliance with health regulations. -
Question:
What is the shelf life of Poly 74-20?
Answer: When stored properly in a cool, dry place, Polytek Poly 74-20 has a shelf life of around 12 months. It's important to securely close the containers after each use and keep them away from direct sunlight. By paying attention to storage conditions, you can optimize the product's usability and effectiveness for your projects. -
Question:
Can I use Poly 74-20 for casting?
Answer: Absolutely! Poly 74-20 is an excellent choice for casting applications, including models, sculptures, and other creative endeavors. Its high flexibility and tear strength allow for complex designs and fine details. Whether you're creating decorative items or working on industrial prototypes, this product excels in providing durability and precision. -
Question:
How do you ensure a bubble-free casting with Poly 74-20?
Answer: To minimize bubbles when using Poly 74-20, pour the mixture slowly along the side of the mold to reduce air entrapment. Additionally, consider using a vacuum chamber to degas the mixture prior to pouring. Employing these techniques significantly enhances the quality of your castings, especially when working with intricate details that require precision. -
Question:
What safety precautions should I take when using Poly 74-20?
Answer: When working with Polytek Poly 74-20, you should always wear gloves and protective eyewear to prevent skin and eye contact. Ensure that you’re in a well-ventilated area and consider using a mask if sensitive to fumes. Following these precautions will help protect your health and ensure a safe crafting experience. -
Question:
Where can I buy Polytek Poly 74-20 Liquid Polyurethane Rubber 120-lb Kit?
Answer: You can buy Polytek Poly 74-20 Liquid Polyurethane Rubber 120-lb Kit online through Ubuy. They offer a convenient shopping experience and speedy delivery options in Taiwan, making it easy to purchase this material for your projects.
Polytek Molding & Casting PT-7420-120 Editorial Review
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TWD 39395
Order now and get it around Monday, August 17
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Features & Benefits
- Two-part, liquid polyurethane system
- Softest rubber in the Poly 74-Series line
- Can be thickened with PolyFiber II Thickener
- Pour time of 20 minutes
- Demold time of 16 hours
- Cures to yellow color
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