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URACAST™ UC-2524

1 of 5 products in this brand
UC-2524 is a filled, two-part urethane resin system, which combines good handling characteristics with excellent cured properties. Its low viscosity allows good flowability and air release. The cured elastomer has excellent water resistance and is exceptionally resistant to thermal shock.

Product Type: 2K (2 component) Adhesive, Encapsulant

Application Area: Amplifiers, Coils, Printed Circuit Boards, Rectifiers, Relays, TV Sets

Chemical Family: Urethanes

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family

Features & Benefits

Applications & Uses

Instruction for Use

1. PART-B contains fillers & should be stirred or agitated without introducing excessive air before use to ensure that all fillers are properly dispersed. To obtain the best cured properties; accurate proportioning and thorough mixing are essential.
2. Mix contents thoroughly each time before removing material.
3. To each 100 grams of Part B, add 16 grams of Part A and mix it well preferably using a mechanical mixer.
4. Vacuum degas for about five minutes to remove any dissolved or entrapped air.
5. Proceed with the casting or potting application and cure as recommended.

Industrial Usage

These materials are intended for industrial use only, and the practices of good housekeeping, safety and cleanliness should be followed before, during and after use.

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Mix Ratio by Weight (A:B)16:100
Mix Ratio by Volume (Part A /Part B)1:5
Viscosity (at 25°C, PART-A)100 - 300cPs
Viscosity (at 25°C, PART-B)8,000 - 11,000cPs
Mixed Viscocity (at 25°C)1500 - 3000cPs
Pot Life (at 25°C, 100g)60 - 90minutes
Typical Cured Properties
ValueUnitsTest Method / Conditions
Specific Gravity1.45
Hardness86Shore A
Water Absorption (24 hr at Room Temperature)0.15%
Weight Loss (at 120°C, 7 days)0.2%
Thermal Conductivity 0.79W/m °K
Service Temperature Range-55 to 130°C
FlammabilityMeet UL-94V0
Dielectric Strength (0.125 inch)420Volts/mil
Dielectric Constant (at 1 kHz)4.2
Dissipation Factor (at 1 kHz)0.02
Volume Resistivity3.0x10^14Ω-cm

Regulatory & Compliance

Certifications & Compliance

Safety & Health

Warning

Although the system contains low volatility materials, care should be taken in handling. Adequate ventilation of work place and ovens is essential. These materials may cause injury to the skin following prolonged or repeated contact and dermatitis in susceptible individuals. In case of skin contact, wash thoroughly with soap and water. For eyes, flush immediately with plenty of water for at least 10 minutes and seek medical attention.

Storage & Handling

Shelf Life

The shelf life of these materials is six months when stored in unopened containers at an average temperature of 25°C. If containers are opened and the contents only partially used, the container should be flushed with dry nitrogen before being resealed.