Electrolube UR5528RP250 Black Potting Compound Polyurethane 250 g

View all Potting Compounds
Bulk discount available

Subtotal (1 unit)*

£26.52

(exc. VAT)

£31.82

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 61 unit(s) shipping from 20 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units
Per unit
1 - 5£26.52
6 - 14£25.46
15 +£24.93

*price indicative

RS Stock No.:
160-8497
Mfr. Part No.:
UR5528RP250
Brand:
Electrolube
Find similar products by selecting one or more attributes.
Select all

Brand

Electrolube

Trade Name

UR5528

Product Type

Potting Compound

Product Form

Liquid

Package Type

Pack

Package Size

250 g

Cure Time

24 h

Thermal Conductivity

0.245W/mK

Colour

Black

Mixing Ratio

2.37:1

Minimum Operating Temperature

-50°C

Maximum Operating Temperature

125°C

Standards/Approvals

RoHS

Viscosity

3500 mPa.s

Base Chemical

Polyurethane

Specific Gravity

1.02

COO (Country of Origin):
GB

Electrolube PUR potting compound


The Electrolube PUR 250g black potting compound has excellent adhesion properties to difficult substrates. It is a 2-part potting and encapsulating compound with excellent water resistance properties, making it suitable for the wide range of applications where water or moisture ingress may be a concern.

Features and Benefits


• Excellent dielectric characteristics

• Good water and chemical resistance

• Low viscosity

• Excellent resistance to acids, alkalis and other aqueous materials

• Ideal for harsh environments

• Durable with a high degree of toughness;• good physical protection

• Cure time is 24 hours

• Useable life is 20 minutes

• Maximum temperature is 125°C

• Electrical strength is 25kV/mm

• Hardness of 57 Shore D

• Thermal conductivity is 0.245W/mK

• Operating temperature ranges between -50°C and +125°C

Applications


• Potting intricate components

• Radio transmitters

• PCBs

Coating and Encapsulation Resins


The resins are packed in sachets with two separate pockets (bipax).

Easy use.

Applications: aerospace, automotive, electronics, industry.

Processing Chemicals


Suitable for use with the RS PCB tanks, these processing chemicals are supplied conveniently packaged to make up sufficient working solution for one tank ’fill’. Instructions for the use of these chemicals are printed on the package, and are repeated in the instruction leaflet supplied with all tanks in the range.

Standards

R40

Related links