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Pel-Urethane® MU-107B

1 of 24 products in this brand
Pel-Urethane® MU-107B It has the following properties flexibility, low stress, moisture resistance, stress release, and shock absorption.

Polymer Name: Polyurethane (unspecified)

End Uses: Automotive Electronics, Encapsulant, Relay Bases, Semiconductor Applications, Speed Sensor

Technical Data Sheet
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Identification & Functionality

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Usage

Substrates

Properties

Appearance
Brown
Typical Properties
ValueUnitsTest Method / Conditions
Specific Gravity (25°C)1.21
Viscosity (25°C)130.0mPa.s
Mixing Ratio (parts by weight)100/30
Gel Time (60°C) (25g)40~45mPa・s
Pot Life (25°C, time up to 10Pa.s)60.0mPa.s
Pot Life (40°C、time up to 10Pa.s)45.0minute
Mixed Viscosity (25°C)700.0min
Mixed Viscosity (40°C)350.0min
Hardness (25°C)30.0Shore AJIS K 7215
Specific Gravity1.0g/cm3JIS C 2105
Glass Transition Temperature (TMA)-70.0°C
Coefficient of Thermal Expansion above Tg18.5×10-5°C
Coefficient of Thermal Expansion below Tg6.61×10-5°C
Tensile Strength (25°C dumbbell No.)2.6MPaJIS K 7312
Elongation (25°C dumbbell No.)300.0JIS K 7312
Young's Modulus (25°C dumbbell No.2)0.66MPaJIS K 7312
Tear Strength (25°C)8.2N/mmJIS K 7312
Shear Adhesive Strength (-40°C)12.2MPaJIS K 6850
Shear Adhesive Strength (25°C)2.1MPaJIS K 6850
Shear Adhesive Strength (150°C)0.6MPaJIS K 6850
Volume Resistivity (25°C)3.3×1015Ω・cmJIS K 6911
Volume Resistivity (25°C boil for 2hrs)3.4×1014Ω・cmJIS K 6911
Dielectric constant (1kHz 100kHz 1MHz)4.6 3.7 3.3JIS K 6911
Dielectric Tangent (1kHz 100kHz 1MHz)6.8 7.6 7.1JIS K 6911
Water Absorption (boil for 2hrs)0.52wt%JIS K 6911
Water Absorption (boil for 2hrs)0.68※wt%JIS K 6911
Shrinkage0.6ASTM D2566-68
Breakdown Voltage (23°C 50%RH)23.6kV/mmASTM D149 
Notes

Standard Curing Condition 60℃-2hour or 80℃-1hour
Curing Condition:60℃×2hrs+25℃×48hrs
※Curing Condition:80℃×1hr+25℃×192hrs
The above values are typical and not specification