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Dyneema® Properties

Extremely High Strength and High Modulus

Dyneema® SK60 has the highest level value of the specific strength among commercialized organic strong fibers. A 10mm diameter rope of Dyneema® SK60 can bear up to a 20ton(theoretical value)-weight load.

Ultra-High Strength and High Modulus

Dyneema® SK60 has the highest level value of the specific strength and modulus among commercialized organic fibers. Specifically, the brand-new Dyneema® NKS achieves a strength of 40cN/dtex or more.(c.a.4GPa)

High strength
High strength
Specific Strength vs. Modulus
Specific Strength vs. Modulus
S-S chart
S-S chart

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Light Weight (low specific gravity)

Dyneema® SK60 is the only super-fiber with a density below 1.0 (the fiber can float on water).

The specific gravity of Dyneema® SK60 is 0.97, which is the lowest value among super fibers and is lighter than water.

Density of Some Fibers
Density of Some Fibers

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High Impact Strength

Dyneema® SK60 has an extremely high impact strength. Due to its very high energy absorption characteristics, Dyneema® SK60 is a suitable material for protective applications or sport composites applications.

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High Durability

Dyneema® SK60 exhibits excellent flexibility and excellent abrasion resistance. Easy fabrication offers various textile applications.

Good Abrasion Resistance and Flex Life

Dyneema® has excellent abrasion and fatigue resistance. Due to its ability to be processed easily. (weaving, knitting etc.), this leads to wide applications for industrial use.

Abrasion Resistance and Flex Life
Abrasion Resistance and Flex Life

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High Light Stability and Chemical Resistance

With no degradation due to water absorption, Dyneema® SK60 is the ideal material for ropes or nets used in marine and off-shore applications. Dyneema® SK60 has excellent light stability and chemical resistance in a wide pH range.

Good Light Stability

Dyneema® shows good light stability due to its chemical and highly crystallized structure. Dyneema® can be used without special covering or coatings.

Good Light Stability
Good Light Stability

Excellent Chemical Stability

Dyneema® shows excellent chemical stability in a wide pH range, which prompts the application for chemical industries. Because there is no degradation from sea water absorption, Dyneema® is an ideal material for marine and off-shore use.

Excellent Chemical Stability (treat with 23 × 2000 hrs)
Excellent Chemical Stability

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Negative expansion

Dyneema® has a feature that it expands by lowering the temperature. Dyneema® is an ideal material for cryogenic use that controls the dimension change of composites which is used under the room temperature and extremely low temperture.

Negative expansibility (in direction of fiber)

Negative expansibility (in direction of fiber)

Toshihiro Kajima et al: Summary of lecture at Cryogenics · Superconductivity Society 245 (1991)

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High heat conductivity

High heat conductivity

High heat conductivity

Fujishiro,H.,et al.: Jpn J.Appl.Phys.5633(1997)

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Electric characteristic

High dielectric strength

High dielectric strength

Nitta,T.,et al.:Proc.of MT-15 1159(1197)

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Other Characteristics

Vibration damping
Dyneema® has excellent vibration damping characteristics.
Insulation
Fundamentally a form of polyethylene, Dyneema® possesses the same chemical properties, making it an outstanding insulator.
Environment
As indicated by its chemical formula -(CH2-CH2)n- Dyneema® is formed from carbon (C) and hydrogen (H). Consequently, even if Dyneema® is burned all that remains is water (H2O) and carbon dioxide (CO2) and no harmful substances are released.

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The information on this page, to the best of our knowledge, is accurate and correct,
However, Toyobo makes no warranty and assumes no liability whatsoever in connection with any use of this information.
Users determine for themselves the suitability for their intended use of the material.
This information is subject to revision as new information becomes available.

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