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Pel-Urethane® MU-650B

1 of 24 products in this brand
Pel-Urethane® MU-650B performs as a non-yellowish, highly transparent material.

Polymer Name: Polyurethane Thermoset Elastomer (unspecified)

End Uses: LEDs

Features: Excellent Transparency Properties, Good Non-Yellowing Properties

Technical Data Sheet
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Identification & Functionality

Chemical Family
Technologies

Features & Benefits

Applications & Uses

Plastics & Elastomers End Uses
Usage

Food Sample

Properties

Appearance
Colorless transparent
Typical Properties
ValueUnitsTest Method / Conditions
Specific Gravity (25°C)1.05
Viscosity (25°C)900.0mPa.s
Mixing Ratio (parts by weight)100/30
Mixed Viscosity (25°C)750.0mPa.s
Mixing Time (25°C, cup, 100g)1.0minute
Pot Life (25°C, cup, 100g)30.0minute
Gel Time Room Temperature (cup, 100g)40.0minute
Gel Time (60°C) (cup, 100g)15.0minute
Tackfree (Time Room Temperature,cup, 100g)360.0minute
Tackfree (Time 60°C, cup, 100g)40.0minute
Hardness (25°C)45.0Shore A
Refractive Index (22°C)1.496

Technical Details & Test Data

Cure Level vs Resin Amount
Resin Amount Gellation Time *1 Tackfree Time
gram minute minute
3 70 140
10 50 110
100 25 35

*Stringing Time:Measuring Condition 27℃/59%