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产品名称Thermoset EP-20

所属分类洛德灌封材料
概要信息
LORD Thermoset EP-20环氧树脂是一种通用的双组份非填充型环氧树脂,旨在连同多种Thermoset固化剂一起使用,已获得各种处理和固化属性,可用于粘合剂、层压、和电气/电子绝缘。
产品描述

LORD Thermoset EP-20环氧树脂是一种通用的双组份非填充型环氧树脂,旨在连同多种Thermoset固化剂一起使用,已获得各种处理和固化属性,可用于粘合剂、层压、和电气/电子绝缘。

Shelf Life/Storage

Shelf life is two years from date of manufacture when stored at 25°C in original, unopened container. The material container must be periodically rotated to prevent settling.

Cautionary Information

Before using this or any LORD product, refer to the Material Safety Data Sheet (MSDS) and label for safe use and handling instructions.

For industrial/commercial use only. Must be applied by trained personnel only. Not to be used in household applications. Not for consumer use.DescriptionLORD Thermoset EP-20 epoxy resin is a general purpose, unfi lled epoxy resin formulated for use with several Thermoset hardeners to obtain a variety of handling and cured properties. Thermoset EP-20 epoxy resin can be used in many applications including adhesive, laminating and electrical/electronic insulation.

Features and Benefi ts

Handling and cured properties of the two-component epoxy system are dependent on the hardener used with Thermoset EP-20 epoxy resin.

Thermoset Hardener No. 18

· Low Viscosity – maintains low viscosity for complete and void-free encapsulation.

· Heat Resistant – provides excellent heat resistance for a room temperature cured system.

Thermoset Hardener No. 65

· Low Viscosity – maintains low viscosity for complete and void-free encapsulation.

· Excellent Appearance – cures to a high gloss surface, free of “blush” or “sweat-out”.

Thermoset Hardener No. 66

· Flexible Bond Strength – provides high bond strength for use as an adhesive to a variety of surfaces. Rigidity of bond may be varied depending on mix ratio. A 1:2 (resin to hardener, by weight) ratio will yield a relatively fl exible bond; a 2:1 ratio will provide a rigid bond.

· Convenient – provides a working life of over one hour; cures at room temperature or with mild elevated temperature.

Thermoset Hardener No. 67

· Elevated Temperature Cure – requires an elevated temperature cure to obtain a rigid bond.

· High Temperature Resistant – provides good resistance for cured system that experiences continuous operating temperature up to 155°C.

· Chemically Resistant – cured system provides excellent resistance to chemicals.

Thermoset Hardener No. 70

· Low Viscosity – provides low viscosity and surface tension, enabling void-free casting without a vacuum step.

· Environmentally Resistant – cured system provides excellent thermal shock resistance and high impact strength.

Thermoset Hardener No. 71

· Low Exotherm – exhibits low exothermic heat rise during room temperature cure.

· Environmentally Resistant – cured system provides excellent mechanical and thermal shock resistance; retains fl exibility even after severe heat aging.

Typical Properties*

Appearance                      Black Liquid

Viscosity, cps @ 25°C              13,000

Specifi c Gravity                   1.17

Application

Mixing – Transfer amount of resin needed to a clean container and add proper amount of hardener by weight. Thoroughly mix resin and hardener together. Automatic meter/mix/dispense equipment may be used for high volume production.

Unless a closed-chamber mechanical mixer is used, air will be introduced when catalyzing the mixture. Electrical properties of the epoxy are best when air bubbles and voids are minimized. Therefore, in extremely high voltage or other critical applications, vacuuming may be appropriate.

Applying – Apply epoxy system using automatic meter/mix/dispense equipment.

Curing – Cure time will vary depending on hardener used. Refer to cure schedule indicated below. This time-at-temperature profi le refers to the time the material should be allowed to cure once it reaches the target temperature. Allowance should be made for oven ramp rates, parts with large thermal mass and other circumstances that may delay material actually reaching the target temperature.

Cleanup - Disposable containers and utensils are recommended when working with epoxies. However, when disposable materials are impractical, uncured epoxy can be removed by cleaning equipment with solvent. Solvent-cleaned utensils should be thoroughly dried before reuse; any remaining solvent can contaminate the next mixture.

Shelf Life/Storage

Shelf life is two years from date of manufacture when stored at 25°C in original, unopened container. The material container must be periodically rotated to prevent settling.

Cautionary Information

Before using this or any LORD product, refer to the Material Safety Data Sheet (MSDS) and label for safe use and handling instructions.

For industrial/commercial use only. Must be applied by trained personnel only. Not to be used in household applications. Not for consumer use.

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