Overview of BISCO HT-1200 Series Silicone Rubbers

The BISCO HT-1200 series from Rogers Corporation offers high-temperature silicone rubber materials designed for demanding applications up to 600°F. These specialty elastomers provide excellent physical properties and compression set resistance at elevated temperatures. Key features of the BISCO HT-1200 series include:

High Temperature Resistance

• Withstand temperatures from -112°F to over 600°F continuously
• Retain elastomeric properties and compression set resistance at high temperatures
• Excellent for applications requiring flexibility and sealing at high heat

Broad Durometer Range

• Available in durometers from 40A to 80A
• Allows selection of optimal hardness for application requirements
• Softer grades provide greater sealing force, harder grades give form and structure

Superior Physical Properties

• High tensile strength and tear resistance
• Maintains properties after heat aging
• Provides durability and long service life

Typical Applications

The unique properties of the BISCO HT-1200 series make them suitable for:

• High temperature gasketing and sealing
• Wire and cable insulation
• Commercial bakeware
• High temperature hoses, connectors and equipment insulation
• Automotive under-the-hood components

Available Grades

BISCO HT-1200 series includes several durometer grades:

Grade	Durometer (Shore A)	Features
HT-1240	40A	Very soft, maximum sealing force
HT-1250	50A	Soft, good physicals, popular general use
HT-1260	60A	Medium, balances sealing and structure
HT-1270	70A	Firm, provides form and structure
HT-1280	80A	Very firm for maximum physical properties

Key Properties

Here are some of the key physical properties of BISCO HT-1200 series per ASTM standards:

HT-1250 (50A)

Property	Value
Tensile Strength	550 psi
Elongation	175%
Tear Strength	75 ppi
Compression Set: 70 hrs @ 600°F	35%
Operating Temperature Range	-112°F to 600°F

Material Options

BISCO HT-1200 series is available in:

• Standard silicone rubber sheets/rolls
• Precision die cut parts
• Extruded profiles
• Molded shapes

Various formulations and colored compounds are also offered.

Frequently Asked Questions

What are the main benefits of BISCO HT-1200 series?

The key benefits are high temperature resistance up to 600°F continuously, excellent physical properties at high heat, and a broad durometer range to suit many applications.

How do these compare to other high temp silicones?

BISCO HT-1200 offers higher temperature resistance, lower compression set, and better physicals versus many other high temp silicones.

What thickness ranges are available?

Standard sheets and rolls are offered from 0.020″ up to 0.500″ thick. Thicker sheets can be laminated.

Does Rogers provide custom fabrication?

Yes, Rogers can provide die cut parts, bonded assemblies, extrusions, and molded shapes per customer specifications.

What industries use BISCO HT-1200 series?

Major industries include automotive, aerospace, electronics, appliances, and industrial equipment. Usage is any application needing sealing, insulation or vibration damping at elevated temperatures.