Soft Cellular Silicone IOTA-HT-870

Compressibility, softness, and durability allow HT-870 to adapt to various environments, making it an ideal choice for sealing outdoor enclosures, protecting electronics from shock and heat, and providing cushioning or vibration isolation for various applications. IOTA Silicones are available in various thicknesses and manufactured in roll form to allow fabricators to easily convert the material to the proper dimensions.

Details

Soft Cellular Silicone IOTA-HT-870

Compressibility, softness, and durability allow HT-870 to adapt to various environments, making it an ideal choice for sealing outdoor enclosures, protecting electronics from shock and heat, and providing cushioning or vibration isolation for various applications. IOTA Silicones are available in various thicknesses and manufactured in roll form to allow fabricators to easily convert the material to the proper dimensions.

Features and Benefits

Excellent memory and low stress relaxation reduces maintenance costs associated with gasket failures due to compression set and softening.

Softness allows designers to use less force to seal enclosures and still protect their device from the environment.

High compressibility allows material to conform to variable width gaps and awkward shapes, thereby allowing engineers more design flexibility.

Resistance to ultraviolet light, ozone, extreme temperatures, and  flame  enables  consistent  performance  in  all environments.

Available through distribution sites throughout North America, Europe, and Asia.

Applications

Environmental seals to protect against penetration of dust, moisture, air, or light within outdoor enclosures such as lighting fixtures, HVAC units, and electronic cabinets.

Shock absorbing cushions and gaskets within automobiles and appliances.

Installation

Available with a pressure-sensitive adhesive on one or two sides to allow easy application to a variety of surfaces.

IOTA-HT-870

Property

Test Method

Typical Value

PHYSICAL

Color 

Black, Red

Thickness,  mm (inches)

1.6 – 12.7 (1/16 to 1/2)

Standard Width, mm (inches)

914 (36)

Density, kg/m 3 (lb./ft 3 )

ASTM D 1056

240 (15)

Compression Force

Deflection, kPa (psi)

Force measured @

25% Deflection

ASTM D 1056

27.6 (4)

Compression Set,

% max.

ASTM D 1056

Test D @ 70(158℉)

ASTM D 1056

Test D @ 100(212℉)

< 1

< 5

Tensile Strength, kPa (psi)

ASTM D 412 

207(30)

Elongation, % 

ASTM D 412 

90

FLAMMABILITY & OUTGASSING

Flame Resistance 

UL 94 

Listed V-0 and

HF-1

Flame Spread Index (L s )

ASTM E 162

< 25

Smoke Density (D s ) 

ASTM E 662

Tested @ 4.0 minutes

Tested @ 1.5 minutes

< 50

< 20

Toxic Gas Emissions Rating 

SMP-800C 

Pass

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