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Item #:
126844482
Polytek 81-90 Liquid Polyurethane Rubber (11.2 lb Kit)
83% of respondents would recommend this to a friend
Item #:
126844482
DKK 1960
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Poly 81-90 Liquid Rubber cures to a durable Shore A90 rubber, perfect for versatile applications.
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What Stands Out
High Durability
Polytek 81-90 offers exceptional wear resistance, making it ideal for creating durable molds and castings that withstand repeated use without losing quality.
Versatile Applications
This polyurethane rubber is suitable for a wide range of applications, from art and crafts to industrial parts, providing versatility that meets diverse project needs.
User-Friendly Mixing
The easy-to-mix one-to-one ratio allows for hassle-free preparation, ensuring consistent results for both novices and experienced users in their molding projects.
Product Details
| Manufacturer | Polytek |
| Date First Available | September 28, 2017 |
| Item Weight | 11.2 lbs (5.08 kg) |
Who Should Buy?
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Professional Artists
Ideal for creating molds and casting, artists benefit from its flexibility and detail reproduction when crafting intricate designs.
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Hobbyist Model Makers
Perfect for hobbyists making miniatures or dioramas, the rubber easily captures fine details for realistic representations.
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Industrial Applications
Engineers appreciate its durability and heat resistance, making it suitable for tools, prototypes, and various industrial projects.
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Casual Users
Not suitable for those looking for quick, simple projects; requires skill and experience for best results.
Product Description
Polytek 81-90 Liquid Polyurethane Rubber (11.2 lb Kit)
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Customer Questions & Answers
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Question:
What is Polytek 81-90 Liquid Polyurethane Rubber used for?
Answer: Polytek 81-90 Liquid Polyurethane Rubber is primarily used for creating flexible molds in various applications such as casting, crafting, special effects, and prototyping. Its versatile nature allows artisans to replicate intricate details from original models, making it ideal for artists, designers, and manufacturers. For instance, you can use it to create molds for resin casting or for making decorative pieces, ensuring that the final products are durable and maintain fine details. -
Question:
What are the characteristics of Polytek 81-90 Liquid Polyurethane Rubber?
Answer: This liquid polyurethane rubber features excellent flexibility and elongation, which allows it to stretch and return to its original shape without losing integrity. It's also non-toxic once cured, making it safer for various applications. Its ability to withstand heat and chemicals enhances its usability in different environments, making it suitable for artists who need reliable materials for creating detailed molds or for industrial applications where durability is crucial. -
Question:
How do you mix Polytek 81-90 Liquid Polyurethane Rubber?
Answer: Mixing Polytek 81-90 requires combining the two components – Part A and Part B – in the specified ratio. Use a clean container and ensure you mix thoroughly for about 2-3 minutes until you achieve a uniform color and consistency. It's crucial to follow the provided instructions closely to avoid compromising the final cured product. This method ensures that the rubber cures properly, providing excellent results for your future projects such as mold making or protective applications. -
Question:
Can Polytek 81-90 Liquid Polyurethane Rubber be colored?
Answer: Yes, you can color Polytek 81-90 Liquid Polyurethane Rubber using compatible pigments or colorants specifically designed for use with polyurethane products. Adding colors can help you achieve the desired aesthetic for your projects, such as creating colored molds for artistic applications or enhancing the visual appeal of the final products. Always test the pigmentation process with a small batch to ensure compatibility and desired results before committing to larger projects. -
Question:
What is the pot life of Polytek 81-90 Liquid Polyurethane Rubber?
Answer: The pot life of Polytek 81-90 Liquid Polyurethane Rubber is typically around 30 minutes at room temperature, which means you have this window to pour and work with the material before it starts to set. It is important to plan your projects accordingly to ensure that you can complete your mold-making processes within this timeframe. For larger or more complex molds, consider mixing smaller batches to maintain workability. -
Question:
What surfaces does Polytek 81-90 adhere to?
Answer: Polytek 81-90 Liquid Polyurethane Rubber adheres well to a variety of surfaces, including metals, plastics, wood, and ceramics. This broad adhesion capability allows it to perform effectively in mold-making projects and other applications. Ensure that surfaces are clean and free from any contaminants for optimal adhesion, which is especially crucial for creating high-quality molds that capture intricate details. -
Question:
How long does Polytek 81-90 take to cure?
Answer: Polytek 81-90 Liquid Polyurethane Rubber generally takes about 24 hours to fully cure at room temperature. However, the set time can vary based on environmental conditions like humidity and temperature. It's advisable to allow ample curing time before demolding to ensure that the mold maintains its integrity and desired flexibility. This is crucial for projects like resin casting, where mold precision is key. -
Question:
Is Polytek 81-90 Liquid Polyurethane Rubber suitable for outdoor use?
Answer: While Polytek 81-90 can withstand various elements, prolonged exposure to UV light may lead to degradation over time. For outdoor applications, consider applying a UV-resistant coating or using it in shaded areas to extend the life of your molds. This precaution is particularly important for crafts or installations that will be displayed outside, ensuring that durability and visual appeal are maintained. -
Question:
What safety precautions should be taken when using Polytek 81-90?
Answer: When using Polytek 81-90 Liquid Polyurethane Rubber, it is essential to wear appropriate personal protective equipment, including gloves and eye protection, to prevent any skin or eye contact during mixing. Ensure proper ventilation while working to minimize inhalation of fumes. These safety measures are critical, especially in enclosed spaces or when working with larger volumes, promoting a safer workspace for all users. -
Question:
Where can I buy Polytek 81-90 Liquid Polyurethane Rubber (11.2 lb Kit) in Denmark?
Answer: You can purchase the Polytek 81-90 Liquid Polyurethane Rubber (11.2 lb Kit) from Ubuy in Denmark. Ubuy provides a reliable platform to acquire various products, including this specific polyurethane rubber, making it convenient for customers looking for this versatile material.
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DKK 1960
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Features & Benefits
- Two-part liquid polyurethane system for strong durability.
- Cures to a yellow Shore A90 rubber for high performance.
- Pourable but can be thickened for brush-on use.
- Fast pour time of just 23 minutes.
- Quick demold time of 16 hours for efficient workflow.
- Customizable color options post-curing.
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