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 Contact in North America,
Europe, & Worldwide
318 Half Day Rd #189
Buffalo Grove, IL 60089, USA

 Phone: +1 (224) 436-0077 
Fax: +1 (630) 621-4198
 sales@UnitedAdhesives.com 

Contact in China and Asia 
High & New Technology
Industrial Development Park
6-1023 Tianzhu Rd.
Hefei City, China

  Phone: +86 139 5605 4600 
 china@UnitedAdhesives.com 

 

 

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Applications for Sealing and Media Protection


United Adhesives Inc. provides various dielectric gels and adhesives for electronic potting / encapsulating applications.

They have following features:
    - High dielectric strength for voltage insulation
    - Soft rubber and flexible to couple thermal stress
    - Some products provide high thermal conductivity
    - Some products provide superior high voltage resistance

They are typically applied to pot or encapsulate parts and cavities, seal lids, covers, housings, connectors, or coat various electronic parts to provide dielectric insulation, vibration dampening, thermal stress coupling, etc.

Click the name of the adhesive in following Table to access its technical datasheet (TDS) in PDF file.



 

Name

Features / Advantages

Rheology

Hardness / Modulus

Dielectric Strength

Adhesion
Al/Al, psi

Cure Profile

Silcoat 7021

Moisture cure soft silicone gel. Sprayable & dispensable. Easy apply. Excellent protection of moisture, media, & corrosion.

1-part liquid

600 cPs

Shore A =32

450 V/mil

N/A

1.8mm / 24 hrs
2.5mm / 72 hrs @ 25C 50%RH

Silcoat 8022

Soft coating and potting gel. Sprayable & dispensable. Excellent moisture & media resistance.

1:1 mixing,

3,000 cPs

Shore A = 35

450 V/mil

N/A

125C 15 min

Silcoat 8026

Soft Non-Sag gel. Dispensable. Excellent moisture and media resistance

1:1 mixing,

25,000 cPs

Shore A = 40

450 V/mil

N/A

125C 15 min

SP4011

Readily flowable. Thermal cure to form firm rubbery dielectric gel. Non-corrosive.

1-part gel

560 cPs

Shore A = 20

> 480 V/mil

N/A

125C 60 min

SP4012

Readily flowable. Thermal cure to form firm rubbery dielectric gel. Non-corrosive.

2-part gel

450 cPs

Shore OO = 35

> 480 V/mil

N/A

125C 30 min

EP1238

Low viscosity epoxy potting adhesive. Good bond to various substrates

1:1 mixing, 3,000 cPs

Shore D = 50

> 500 V/mil

> 2500

25C 8 hrs;
80C 60 min

Other Products

SP4017 is thixotropic version encapsulant. OE1582, OP4047 are optical encapsulants
Refer to website to check the details of the properties



Silicone rubber based RTV sealants / adhesives from United Adhesives Inc. provide strong bonding to most common plastics and metals with excellent thermal stress release and water resistance. Epoxy based sealants / adhesives provide strong structural bonding to most common plastics and metals with strong oil and chemical resistance.

They are used to bond and seal electronic devices, components, equipment, connections, cover plates, housings, etc; make formed-in-place gaskets; assemble and repair electronic devices. They can also be applied as general-purpose sealants for other applications


Name

Features / Advantages

Rheology

Hardness / Modulus

Elongation

Adhesion
Al/Al, psi

Cure Profile

MC7130

Moisture cure silicone. Long elongation. Low stress, non-sag. Strong bonding strength

1-part paste

Shore A = 43

300%

150 psi

Tack free time 45 min @ 24C 50%RH

BS8311

Heat cure to form silicone rubber. Non-corrosion sealant. Strong bonding to most plastics

1-part, dispensable
45,000 cPs

Shore A = 47

280%

> 600

125C 60 min

BS8350

Heat cure to form silicone rubber. Non-corrosion sealant. Strong bonding to most plastics

1-part paste
non-sag
110,000 cPs

Shore A = 62

250%

550 psi

125C 60 min

BS8440

Two part. Heat cure to form silicone rubber. Non-corrosion sealant / adhesive.

1:1 mixing
40,000 cPs

Shore A = 51

240%

> 550 psi

25C 12 hrs; |
125C 15 min

EP1611

Flexible epoxy, room temp curable

60,000 cPs

Shore A = 60

50%

> 1500

25C 12 hours;
125C 30 min

EP1646

High voltage resistant sealant based on non-slump epoxy

2-part (2:1)
22,000 cPs

6.2 GPa

N/A

> 1600

25C 12 hrs;
125C 8 min

 

   
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