Home » GTU-SM150 with FBG — Low Density Silicone Foam

GTU-SM150 with FBG — Low Density Silicone Foam

An ultra-lightweight closed-cell silicone foam at approximately 150 kg/m³. Its minimal closure force makes it the right choice where component fragility or low-torque fastening limits the compression load that can be applied to a gasket.

Specifications

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Strengths

Density ~150 kg/m³ — closes with very low fastener force
Highly compressible structure conforms to slightly uneven mating surfaces
Good elastic recovery after compression — repeatable sealing across open/close cycles
Temperature stable: -60 °C to +200 °C operating range
Resistant to UV, ozone, and standard weathering agents
Available with PSA adhesive backing for direct attachment

Customization

Thickness selected per required compressive force target
Single- or double-sided PSA adhesive backing
Die-cut to custom gasket or cushion profiles
Custom compound density formulations on request

Technical Information

Review the key specifications, model differences, recommended applications, installation notes.

Property	Series
Model:	GTU-SM150 with FBG
Foam Type:	Closed-cell silicone foam
Color:	Gray / Pink
Density:	~150 kg/m³
Operating Temperature:	-60 ~ +200 °C
Compliance:	RoHS

Low Density Silicone Foam	Values	Usage
GTU-SM150 with FBG	~150 kg/m³	Standard low-density grade

Custom thickness and width on request
Custom density compound formulations available

Installation Notes

Consumer electronics enclosure sealing
Display panel perimeter and frame gaskets
Sensitive PCB component shock cushions
Camera and sensor module housing seals
Optical instrument soft-mount gaskets
Medical device component padding

Installation Notes

Requires very low closure force — safe for fragile assemblies and light fasteners
Degrease and dry the substrate before applying PSA-backed variant
Remove liner cleanly — press firmly for full PSA activation
Do not over-compress: collapsing open cells causes permanent loss of resilience

Frequently asked questions

What is the biggest difference between GTU-SA and lower-density foam grades?

GTU-SA is positioned as an ultra-rigid silicone foam for durable, very high-closure-force gasket applications rather than softer, lower-force sealing interfaces.

Is GTU-SA suitable for demanding enclosure gasket structures?

Yes. The product description explicitly states it is designed for enclosures requiring durable, high-closure-force gaskets.

Is GTU-SA suitable for outdoor cabinet sealing?

Yes. The datasheet explicitly highlights waterproof sealing strips for outdoor communication and power cabinets exposed to long-term sunlight, rain, and temperature fluctuations.

Can the product be supplied in converted forms?

Yes. The datasheet lists customized sheet products and customized die-cut products.

What flame rating and shelf life are listed for GTU-SA?

The listed flame retardancy is UL94 V0, and the listed shelf life is 12 months.

Related Products

GTU-SA Series — Standard Density Silicone Foam Rubber

Closed-cell silicone foam in six density grades from 200 to 450 kg/m³. Each grade balances compressive stiffness against sealing effectiveness — from soft low-force gaskets to ultra-rigid enclosure seals with sponge-rubber-level performance.

GTU_30C — Phase Change Thermal Interface Material

A solid-at-room-temperature thermal film that transitions to a low-viscosity state at operating heat.

Ceramifiable / Fire Barrier Silicone Foam

A silicone foam that behaves as a normal compressible gasket under standard service conditions, but undergoes ceramification when exposed to fire, forming a rigid inorganic barrier that maintains the seal and blocks flame propagation through the penetration.