Shock Absorbing Sheet

On clearance! $40 (reg. $92.72)

Shock Absorbing Sheet
Price Part Number Description
$40.00 The sample is black and the size of the sheet is 12 in × 14 in × 0.19 in. Durometer 50.

Product Details

Shock Absorbing Sheet is a one-of-a-kind polymer that is visco-elastic, exhibiting properties of both liquids and elastic solids. This product is a thermoset polyurethane material that combines shock absorption and good memory with vibration damping and isolation properties. It is also a very effective acoustic damper and absorber. While many materials exhibit one of these characteristics, only this material combines all of them in a stable, extremely durable form.

First used primarily in shock-absorbing insoles, this material has since been vital in many other applications. Its sound damping abilities make it the perfect headphone lining. Engineering applications make good use of its incomparable shock absorption and memory. The combination of its physical characteristics still makes it ideal for premium shoe insoles; unlike fluid-based shock absorbers or foam products, this material absorbs shocks efficiently for millions of cycles.

Files & Attachments

Datasheet

Shock Absorbing Sheet Datasheet.pdf

MSDS

Sorbothane MSDS 9-2-2010.pdf

Technical Manual

Sorbothane-Design-Guide101409.pdf

Technical Drawing

0225532 - X-TRA FLEX SHEET.pdf

Product Brochure

Shock Absorbing Sheet Product Brochure.pdf

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FAQ

What is unique about this item for product developers?

The material is a thermoset, polyether-based polyurethane material that combines shock absorption, good memory, vibration isolation, and vibration damping characteristics into one functional material. In addition, it is a very effective acoustic damper and absorber. While many materials exhibit one of these characteristics, It combines all of them in a stable material with a long fatigue life.

• It has a low creep rate compared to other polymers, like rubber, neoprene, and silicone.
• It has a superior damping coefficient, over a very wide temperature range, compared to any other polymer.
• Unlike fluid-based shock absorbers or foam products, it absorbs shock efficiently for millions of cycles.
• It eliminates the need for metal springs to return the system to its equilibrium position after absorbing a shock.

Where does the “swallowed energy” go in this material?

It is converted into a small amount of heat.

How efficient is this as a shock absorber?

Depending upon the application, it can absorb up to 94% of the shock energy.

How efficient is this as a vibration damper?

It can absorb over 50% of the vibration energy over most of its temperature operating range at frequencies from 10 to 30,000 hertz.

All polymers creep under load. How is this polymer?

• Low durometer (30) it creeps about 8% under load and then stabilizes.
• High durometer (70) it creeps about 5% under load and then stabilizes.

Is this shock absorbing sheet fireproof?

The Shock Absorbing Sheet can be purchased with a fire retardant that allows it to meet the Underwriters Laboratory 94 V2 standard.

How good is shock absorbing sheet's chemical resistance?

Generally, the shock absorbing sheet chemical resistance is very good, similar to other polyurethanes. However, avoid gasoline, alcohol, and plastics solvents.

What is the difference between a vibration isolator and a vibration damper?

A good vibration isolator lowers the natural frequency of a system to below the excitation (or disturbing) frequency. Keeping these two frequencies “out of sync” greatly reduces the problems of vibration.

A good vibration damper takes mechanical energy out of the system. Properly designed metal springs and rubber mounts can be good isolators but have almost no damping capability. Oil dampers (dashpots) have good damping capability but no isolation capability. Foam products can be good isolators but have limited life.

What are the primary disadvantages of the existing technologies that this is an alternative for?

The shock absorbing sheet has a superior damping coefficient, over a very wide temperature range, compared to any other polymer. It’s operating temperature range is -40 °F to +160 °F (-29 °C to 72 °C).

Unlike fluid-based shock absorbers or foam products, Shock Absorbing Sheet absorbs shocks efficiently for millions of cycles.

Shock absorbing sheet eliminates the need for metal springs to return the system to its equilibrium position after absorbing a shock.

What industries is this item typically used in?

Shock absorbing sheet has wide applications in:
• Chock absorption in industrial, electronic, athletic and medical applications.
• Vibration isolation in industrial, electronic and ergonomic applications.
• Vibration damping in industrial, electronic and ergonomic applications.
• Gasket/sealing in industrial and electronic applications.
• Applications where low cost, high color plastic molding is required.
• High space efficiency acoustic absorption.
• High space efficiency acoustic barriers.

What sizes can it be made in?

The stock size for this product is 12 in ×14 in × 0.19 in. It is available in grey or black.

If large orders are placed the shock absorbing sheet can be made in a variety of sizes and thicknesses. The factory can pour custom shapes, colors and thicknesses.

What temperature range does it retain its properties in?

Its operating temperature range is -20 °F to 160 °F (-29 °C to 72 °C).