MasterSil 803

One part silicone elastomer adhesive for high performance bonding and sealing
Key Features
  • Easy to handle
  • Room temperature curing
  • Exceptionally wide service temperature range
  • Bonds well to a wide variety of substrates
Typical Properties
Viscosity
paste
Cure Schedule
Cure schedule, 75°F 5-7 days
Hardness
45-50 Shore A
Service Temperature Range
-180°F to +500°F
Dielectric Constant
2.8
Dielectric Strength
500 volts/mil
MasterSil 803 One Part Silicone Elastomer
Discuss with a Specialist
(1-2 Business Day Request) Get Technical Data sheet
(Instant Email Delivery) Request Safety Data sheet
(1-2 Business Day Request)
Applications

Bonding

bonding

Sealing

sealing

Coating

Coating

Gasketing

gasketing
Certifications

Meets EU Directive 2015/863

Packaging

Single Barrel Cartridge

Product Description

MasterSil 803 is a one component, neutral curing oxime type silicone system for high performance bonding, sealing, coating and formed-in-place gaskets. MasterSil 803 has a paste consistency and a non-drip application feature, and upon curing is translucent in color. Most noteworthy is the exceptionally wide temperature range which extends from -180°F to +500°F. It bonds well to a wide variety of substrates including glass, metals, many plastics, composites and various rubber materials including silicone. This system is a very good electrical insulator as well. MasterSil 803 can be used in a wide variety of aerospace, electronic, optical and specialty OEM type applications where special low and/or high serviceability is desirable.

Discuss with a Specialist
(1-2 Business Day Request) Get Technical Data sheet
(Instant Email Delivery) Request Safety Data sheet
(1-2 Business Day Request)
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How to order

Verify Your Product Selection

With thousands of custom formulations available, our expert engineers provide personalized consultation to ensure you select the ideal adhesive. We will follow up with a product and packaging recommendation for your specific application.

Get a Quote

Our customer service team will follow up with a detailed quote with packaging and shipping options.

Place Your Order

We'll work with your company to process the order efficiently.

Receive Your Material

Your adhesive will be made to order and shipped to you. Typical lead times are 10-14 business days, with rush options available for urgent orders.

Start Your Ordering Process

 

Not ready to order yet? 

Discuss your application with a product specialist