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Pel-Urethane® MU-636B LV

1 of 24 products in this brand
Pel-Urethane® MU-636B LV functions are weatherability and non-yellowing.

Polymer Name: Polyurethane Thermoset Elastomer (unspecified)

End Uses: Encapsulant, Semiconductor Applications

Features: Good Non-Yellowing Properties, Good Weather Stability

Technical Data Sheet
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Identification & Functionality

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Plastics & Elastomers End Uses

Properties

Appearance
Colorless transparent, Colorless~Light yellow clear
Typical Properties
ValueUnitsTest Method / Conditions
Specific Gravity1.14
Viscosity600.0mPa.s
Mixed Viscosity950.0mPa.s
Mixing Ratio (parts by weight)100/100
Mixing Ratio (parts by volume)100/96
Gel Time Room Temperature (cup, 100g)1.5hour
Gel Time Room Temperature (2~3mm Sheet)6~8hour
Pot Life (25°C, cup, 100g)60~75minute
Pot Life (40°C, cup, 100g)30.0minute
Tackfree (Time Room Temperature,cup, 100g)2.0hour
Tackfree (Time Room Temperature 2~3mm sheet)8~12hour
Hardness85.0Shore AJIS K-7215
Glass Transition Temperature (TMA)-4.8°C
Tensile Strength (2mmt dumbbell No.2)15.0MPaJIS K-7312
Elongation (2mmt dumbbell No.2)150-200%JIS K-7312
Tear Strength (2mmt Angle Type)20.0N/mm2JIS K-7312
Dielectric constant (1kHz 100kHz 1MHz)5.97 3.55 4.08JIS K-6911
Dielectric Loss Tangent (1kHz 100KHz 1MHz)14.6 9.52 6.87%JIS K-6911
Coefficient ofThermal Expansion above Tg1.9 x 10-4°C
Coefficient ofThermal Expansion below Tg9.3 x 10-°C