Urea Formaldehyde - UF Urea Foam

Aug 16 2001

Advantages

Higher maximum operating temperature, better dielectric constant, tracking resistance and dimensional stability compared with cellulose filled urea formaldehyde.

Disadvantages

Lower HDT, tensile strength and flexural modulus; higher water absorption and mould shrinkage; lower surface hardness, elongation at break and volume resistance compared with cellulose filled urea formaldehyde.

Typical Properties

Property

Value

Density  (g/cm3)

0.01

Surface Hardness

SD50

Tensile Strength (MPa)

0.01

Flexural Modulus (GPa)

0.02

Notched Izod (kJ/m)

0.02

Linear Expansion (/°C x 10-5)

3

Elongation at Break (%)

0.2

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

90

Water Absorption (%)

20

Oxygen Index (%)

30

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

5

Dielectric Strength (MV/m)

10

Dissipation Factor1kHz

0.05

Dielectric Constant  1kHz

1.7

HDT @ 0.45 MPa (°C)

20-

HDT @ 1.80 MPa (°C)

75

Material Drying  hrs @ °C

NA

Melting Temp. Range (°C)

NA

Mould Shrinkage (%)

3.5

Mould Temp. Range (°C)

NA

Applications

Flower arranging blocks, insulating panels.

 

Source : Abstracted from Plascams

For more information on Plascams please visit The Rubber and Plastics Research Association

 

Tell Us What You Think

Do you have a review, update or anything you would like to add to this article?

Leave your feedback
(Logout)
Your comment type
Submit
Defender™ Omega Handheld Raman Analyzer

Defender™ Omega Handheld Raman Analyzer

Ensure safe and rapid identification of explosives, chemical warfare agents, narcotics, and various chemicals using the Thermo Scientific Defender™ Omega Handheld Raman Analyzer. This highly versatile handheld analyzer allows for user-configurable scan profiles and expandable libraries, empowering users with flexible and customizable detection capabilities. Stay ahead with reliable and efficient chemical analysis in the palm of the hand.

From Thermo Fisher Scientific – Handheld Elemental & Radiation Detection

Sponsored Content

Editorial Highlights

The Current State of the Global Semiconductor Market

The Current State of the Global Semiconductor Market

The global semiconductor market has entered an exciting period. Demand for chip technology is both driving the industry as well as hindering it, with current chip shortages predicted to last for some time. Current trends will likely shape the future of the industry, which is set to continue to show

How are Graphene Batteries Made?

How are Graphene Batteries Made?

The primary distinction between graphene-based batteries and solid-state batteries lies in the composition of either electrode. Although the cathode is commonly changed, carbon allotropes can also be employed in fabricating anodes.

Newsletters you may be interested in

See all Newsletters »

Terms

While we only use edited and approved content for Azthena answers, it may on occasions provide incorrect responses. Please confirm any data provided with the related suppliers or authors. We do not provide medical advice, if you search for medical information you must always consult a medical professional before acting on any information provided.

Your questions, but not your email details will be shared with OpenAI and retained for 30 days in accordance with their privacy principles.

Please do not ask questions that use sensitive or confidential information.

Read the full Terms & Conditions.

Provide Feedback