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Pel-Urethane® MU-303B

1 of 24 products in this brand
Pel-Urethane® MU-303B it functions humidity resistant.

Polymer Name: Polyurethane (unspecified)

End Uses: Encapsulant

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Plastics & Elastomers Functions
Technologies

Features & Benefits

Materials Features

Applications & Uses

Plastics & Elastomers End Uses
Usage

Sustrate Potting

Properties

Physical Form
Appearance
Brown liquid
Typical Properties
ValueUnitsTest Method / Conditions
Specific Gravity (25°C)1.22
Viscosity (25°C)180.0mPa.s
Mixing Ratio (parts by weight)100/70
Mixed Viscosity (25°C)2900.0mPa.s
Mixed Specific Gravity (25°C)1.43
Gel Time (60°C)30.0minute
Pot Life (25°C, time up to 10Pa.s)30.0minute
Hardness70.0Shore DJIS K-7215
Glass Transition Temperature (TMA)82.0°C
C.T.E. *1 (below Tg)6.5 x 10-5°C
Flexural Strength48.0MPaJIS K-7171
Flexural Modulus1900.0MPaJIS K-7171
Volume Resistivity (25°C)3.0 x 1015Ω・cmJIS K-6911
Dielectric Constant (100KHz)4.2%JIS K-6911
Dielectric Loss Tangent (100KHz)1.1JIS K-6911
Breakdown Voltage26.0kV/mmJIS C-2110
Water Absorption (23°C 24hrs)0.13wt%JIS K-6911
Tracking Resistance (22°C 51%RH)min. 600VIEC60112
Notes

60℃ - 3 hours or 25℃ - 1to2 hours
*1: Coefficient of Thermal Expansion