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Polyurethane Resin and Hardener R-381-8 Potting Compound

Polyurethane Resin and Hardener R-381-8 Potting Compound photo-1
US$ 4.11 - 5.5 MOQ: 100 Kilograms
Key Specifications
Get Latest Price
Place of Origin:
Zhejiang, China
Classification:
Double Components Adhesives
Main Raw Material:
Polyurethane
Payment & Shipping
Payment Methods:
Port of Shipment:
FOB Shanghai
Delivery Detail:
Delivery time depends on order quantity.
Place of Origin Zhejiang, China
Classification Double Components Adhesives
Main Raw Material Polyurethane
Usage Construction, Other, Packing, Transportation, Woodworking, Construction, Fiber & Garment, Packing, Transportation, Woodworking, potting capacitors
Brand Name Rota
Model Number R-381-8

Brief Introduction

R-381-8 polyurethane embedding adhesive is made from polyurethane, hardener and filler presented in two-component form. R-381-8 cures at room temperature, and its heat-resistant grade is B. It has gained UL certification (E229550).

 

Features

Good manufacturability and insulation property, low shrinkage, shining appearance of condensate and excellent crack resistance.

 

Application/Use

Embedding, casting and potting for electronic components, motor and apparatus coils. For example: capacitors, small transformers, PCB, ignition coils of autocycle and auto etc.

 

Qualification (as the Q/R 101-2010 company standard)

No.

Test Item

Test Method

Unit

Value

1

Appearance

Test Tube

-

Part A is viscous liquid, Part B is brown transparent liquid, no mechanical impurity

2

Viscosity

Part A

Rotary viscosimeter, 25°C

mPa.s

6000±1000

Part B

50±10

Mix

800±200

3

Density

Part A

Water=1

-

1.40

Part B

1.20

Mix

1.36

4

Hardness

Shore D

-

65

5

Volume Resistivity

At room temperature

Ω·m

≥1×1013

After immersion in water

≥1×1012

6

Power Frequency Electric Strength

Normalcy

MV/m

≥20

7

Pot life

23±2°C

h

≥0.5

 

  Polyurethane resin and hardener R-381-8 potting compound

Established in 1992, Rota Group is one of the most professional manufacturers of  impregnating varnish, mica tape, potting resin and embedding resin in China. Most products have been approved by ISO9001, 14000, UL, TUV, FDA, RoHS and REACH, widely used in high-voltage motors, wires and cables, household appliances, industrial pumps, and metallurgy equipments etc. We win the trust of the majority of well-known manufactures, like BOSCH, BLACK & DECKER, Fujitsu,  Shibaura, REGAL, Siemens, EPCOS, N.P.V. and so on.

 

 

 

Polyurethane resin and hardener R-381-8 potting compound

 

 

 

 Professional quality, creating value for customers. Rota Group lead in the aspects of industry scale, product technology and innovation capacity, we will provide quality products and professional services for you. Welcome you!

 

 

 

 

 

 

 

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Business Type
Manufacturer, Trading Company
Year Established
2001
Factory Size
5,000-10,000 square meters
Total Employees
101 - 200 People