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Polyurethane Potting and Encapsulating for Electronic Devices
Polyurethane Potting and Encapsulating for Electronic Devices
Polyurethane Potting and Encapsulating for Electronic Devices
Polyurethane Potting and Encapsulating for Electronic Devices
Polyurethane Potting and Encapsulating for Electronic Devices
Polyurethane Potting and Encapsulating for Electronic Devices

Polyurethane Potting and Encapsulating for Electronic Devices

Min.Order: 25
Product origin: Shenzhen, Guangdong, China
Infringement complaint: complaintComplaint
US$ 1.93

Description
Excellent comprehensive characteristics, such as small shrinkage and residual stress during curing, good elasticity, toughness, excellent electrical properties, no deformation, no corrosion, excellent permeability, no cracking during cold and hot cycles, etc. It is suitable for encapsulating various electronic components.


Uses
It is suitable for automobile electrical appliances, motorcycle electrical appliances, relays, water heater control boards, electric vehicle controllers, circuit boards, various electronic components, power modules, inverters, filters, arrester modules, etc.



Characteristics
It has excellent comprehensive characteristics, such as small shrinkage and residual stress during curing, good elasticity, toughness, excellent electrical properties, no deformation, no corrosion, excellent permeability, no cracking during cold and hot cycles, etc. It is suitable for encapsulating various electronic components.
 

 
Item
Index
Model		 WD090300AWD090300BWD0903001AWD0903001B
Before curingAppearanceBlack LiquidYellow-brown liquidBlack LiquidYellow-brown liquid
Viscosity
 (40ºC, mPa.s)		800-180020-85800-180020-150
Bubble experimentbubbles burst out in 5-9 min
Available time
(25ºC, min)		≥10
Gel time
(150ºC, s)		NegotiateNegotiate
After curingPhysical Properties
Curing time25ºC2-24h
Performance of curing samplesEven, smooth, no bubbles
Hardness
(shore A)		55±1050±10
Tensile strength
(Mpa)		>1.0>1.0
Elongation at break (%)≥150≥150
Linear Expansion Coefficient(ppm/ºC)≤220≤220
Thermal Conductivity (W/m.K)≥0.45≥0.45
Water Absorption
( 23ºC24h,%)		≤0.1≤0.1
Flame-retardant
(UL-94)		NegotiateNegotiate
Electrical Properties
Insulation Strength (KV/mm)≥18≥18
Volume Resistivity (Ω/cm)>1.0x1011>1.0x1011
Surface resistivity
(Ω/cm)		>1.0x1010>1.0x1010



Ratio
100:13-20





Package
Part A: 25kg /barrel
Part B: 10kg /barrel



Storage Conditions

The product should be sealed in its original packaging container and stored in a dry and ventilated place. In an environment of 18-40ºC, the shelf life is 6 months. If the shelf life is exceeded, analysis is required to determine whether it is still valid.


Due to the storage conditions, this product may experience a small amount of precipitation during storage, which is a normal phenomenon. After stirring evenly, it can be used normally.



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