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UHMWPE Fiber (Dyneema/Spectra) CN-HS

Grade

also Dyneema, Spectra

CN-HS = chinese domestic high-strength UHMWPE filament

Pick the cost-driven SK65/SK75-class filament for ropes, nets and commodity armour at 3000 MPa and 100 GPa, accepting wider property scatter than branded yarn.

High cost $$$$

Values for the CN-HS condition

Other UHMWPE Fiber (Dyneema/Spectra) grades and fills

UHMWPE Fiber (Dyneema/Spectra) is listed in 12 conditions; see the grade overview at UHMWPE Fiber (Dyneema/Spectra).

Compare all 12 grades and fillsHide
Grade · open for datasheetBest forYield MPaTensile MPaElong. %Hardness
UD cross-ply laminate
0/90 cross-plied fiber in a low-modulus elastomeric matrix, consolidated into ballistic panels or hard-armor plates.—1,300362 Shore D
Cut-resistant composite yarn
UHMWPE spun around glass or fine steel filaments for EN 388 level D–F cut-resistant gloves and sleeves.—2,0003.5—
Honeywell general-purpose gel-spun grade
Honeywell's entry grade, equivalent class to SK60, for cordage, nets and cut protection.—2,6003.6—
Dyneema SK60
Lower-cost, lower-modulus grade for general cordage, cut-resistant yarns and non-critical composites.—2,7003.5—
CN-HSThis page
Chinese domestic high-strength UHMWPE filament
Pick the cost-driven SK65/SK75-class filament for ropes, nets and commodity armour at 3000 MPa and 100 GPa, accepting wider property scatter than branded yarn.—3,0003.5—
high-tenacity armor/rope grade
Mid-tier Honeywell grade broadly comparable to SK75; used in Spectra Shield armor and high-strength lines.—3,2002.9—
SK75Default
Dyneema SK75
Default workhorse gel-spun grade: best balance of tenacity, modulus and price for ropes, nets and soft armor.—3,4003.8—
Dyneema DM20
Fiber tuned for energy absorption in pressed hard-armor plates rather than for maximum static tenacity.—3,4003.8—
highest performance Honeywell grade
Choose when maximum specific strength/stiffness is needed in Spectra-based armor or ultralight lines.—3,4002.9—
Dyneema SK78
Same tenacity class as SK75 but markedly lower creep — choose for permanently loaded mooring, rigging and lifting slings.—3,5003.8—
Dyneema SK90
Step up from SK78 for lighter, stiffer ropes and lines where minimum elongation matters.—3,7003.5—
Dyneema SK99
Top of the SK line — pick for weight-critical ropes, sailcloth and high-performance ballistic UD.—3,9003.2—

What is UHMWPE Fiber (Dyneema/Spectra) CN-HS?

UHMWPE Fiber (Dyneema/Spectra) CN-HS is UHMWPE Fiber (Dyneema/Spectra) in the CN-HS grade — pick the cost-driven SK65/SK75-class filament for ropes, nets and commodity armour at 3000 MPa and 100 GPa, accepting wider property scatter than branded yarn. UHMWPE Fiber (Dyneema/Spectra) CN-HS has a tensile strength of 3,000 MPa (435 ksi), stronger than 81% of composite grades. Elongation at break is 3.5% and the elastic modulus is 100 GPa (14.5 Msi). UHMWPE Fiber (Dyneema/Spectra) CN-HS has a density of 0.98 g/cm³ (0.0352 lb/in³), lighter than 82% of composite grades. Its glass-transition temperature is -120°C (-184 °F). SK75 is the default condition FabDigit quotes; CN-HS is available on request or by drawing note.

Advantages

  • Low moisture uptake — 0.01%, better than 99% of composite grades
  • Good corrosion resistance — 92/100, better than 94% of composite grades
  • Lightweight — 0.98 g/cm³ (0.0352 lb/in³), better than 82% of composite grades
  • Ductile — tolerates forming and impact — 3.5%, better than 78% of composite grades
  • Conducts heat well — 18 W/m·K (10.4 BTU/hr·ft·°F), better than 77% of composite grades

Limitations

  • Limited service temperature — 70°C (158 °F), worse than 98% of composite grades

UHMWPE Fiber (Dyneema/Spectra) CN-HS properties

Typical room-temperature values for UHMWPE Fiber (Dyneema/Spectra) CN-HS; 11 are specific to this condition. Other listed values are UHMWPE Fiber (Dyneema/Spectra) reference data and may not represent this condition. Bars are the position among composite grades.

Physical5

UHMWPE Fiber (Dyneema/Spectra) CN-HS has a density of 0.98 g/cm³ (0.0352 lb/in³), lighter than 82% of composite grades. Its glass-transition temperature is -120°C (-184 °F).

Density0.98 g/cm³0.04 lb/in³
Melting Temperature (Tm)150°C302 °F
Glass Transition (Tg)-120°C-184 °F
Water Absorption (24 h)0.01%
Water Absorption (Saturation)0.05%

Mechanical8

UHMWPE Fiber (Dyneema/Spectra) CN-HS has a tensile strength of 3,000 MPa (435 ksi), stronger than 81% of composite grades. Elongation at break is 3.5% and the elastic modulus is 100 GPa (14.5 Msi).

Elastic (Young's) Modulus100 GPa14.5 Msi
Poisson's Ratio0.4
Tensile Strength (Ultimate)3,000 MPa435 ksi
Elongation at Break3.5%
Compressive Strength60 MPa8.7 ksi
Flexural Strength55 MPa8 ksi
Flexural Modulus25 GPa3.6 Msi
Shear Strength2 MPa0.29 ksi

Thermal7

UHMWPE Fiber (Dyneema/Spectra) CN-HS is rated for continuous service to 70°C (158 °F). It conducts heat at 18 W/m·K (10.4 BTU/hr·ft·°F), better than 77% of composite grades.

Thermal Conductivity18 W/m·K10.4 BTU/hr·ft·°F
Specific Heat Capacity1,900 J/kg·K0.45 BTU/lb·°F
Max Service Temperature (continuous)70°C158 °F
Min Service Temperature-150°C-238 °F
Flammability (UL 94)HB — burns like polyethylene, melts and drips; not self-extinguishing without FR treatment
Limiting Oxygen Index17%
Max Service Temperature (short-term)130°C266 °F

Electrical4

UHMWPE Fiber (Dyneema/Spectra) CN-HS has an electrical resistivity of 1×10¹⁴ Ω·m.

Electrical Resistivity1×10¹⁴ Ω·m3.94×10²¹ µΩ·in
Dielectric Constant (1 MHz)2.25
Dissipation Factor (1 MHz)2×10⁻⁴
Volume Resistivity1×10¹⁶ Ω·cm

Chemical & Environmental3

Corrosion resistance is excellent (92/100), better than 94% of composite grades. UV resistance is good.

Corrosion ResistanceExcellent92/100
UV / Weathering ResistanceGood65/100
Chemical Resistance SummaryEssentially inert: excellent to acids, alkalis, seawater, alcohols and most solvents at RT; swells in hot aromatic/chlorinated hydrocarbons; attacked by strong oxidisers (fuming HNO3); no hydrolysis, unaffected by moisture unlike aramid.

Sustainability3

Producing a kilogram of UHMWPE Fiber (Dyneema/Spectra) CN-HS takes about 115 MJ of energy and emits 6.5 kg of CO₂ — less than 57% of composite grades. Typical recycled content is 0%.

Embodied Energy (primary production)115 MJ/kg49,441 BTU/lb
Embodied Carbon (primary production)6.5 kg CO₂/kg
Typical Recycled Content0%

Manufacturability1

UHMWPE Fiber (Dyneema/Spectra) CN-HS's machinability is poor (25/100, worse than 65% of composite grades).

MachinabilityPoor25/100

Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.

Working with UHMWPE Fiber (Dyneema/Spectra) CN-HS

Is UHMWPE Fiber (Dyneema/Spectra) easy to machine?

Do not conventional-machine: cut yarn and fabric with hot knife, ultrasonic blade or laser; drilling laminates causes fuzzing and delamination — use sharp brad point at low feed.

Can UHMWPE Fiber (Dyneema/Spectra) be welded?

Fibers cannot be melt-welded without destroying orientation; laminates are joined by adhesive-free hot pressing of the UD matrix (~120–130 °C, 15–20 MPa) or mechanically fastened.

Can UHMWPE Fiber (Dyneema/Spectra) be formed, bent or molded?

Panels are consolidated in a heated press below 145 °C; no autoclave epoxy cure above ~130 °C, and any pre-tension must account for room-temperature creep.

What surface finishes work on UHMWPE Fiber (Dyneema/Spectra)?

Surface is chemically inert and very low energy — corona, plasma or chromic-acid etch is needed before printing, coating or bonding; pigmented (black/coyote) yarns are used for UV and camouflage.

UHMWPE Fiber (Dyneema/Spectra) chemical composition (wt %)

Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.

ElementSpec limit (wt %)Nominal
spin finish / surface treatmentresidual processing oil and finish on yarn surface0.2 – 1.50.7
ethylene (–CH2–CH2–) repeat unit, Mw 3–6linear UHMWPE homopolymer; crystallinity 75–85 %, no comonomerbalance—

UHMWPE Fiber (Dyneema/Spectra) CN-HS — frequently asked

What is UHMWPE Fiber (Dyneema/Spectra) CN-HS used for?

UHMWPE Fiber (Dyneema/Spectra) CN-HS is typically used for ballistic vests/helmets, high-strength ropes and rigging, cut-resistant gloves and lightweight composite panels. In short: highest strength-to-weight fiber; floats in water; limited to 70 C.

What is the tensile strength of UHMWPE Fiber (Dyneema/Spectra) CN-HS?

UHMWPE Fiber (Dyneema/Spectra) CN-HS has a typical tensile strength of 3,000 MPa (435 ksi) — stronger than 81% of composite grades. Strength varies by condition: see the 12 listed tempers.

Is UHMWPE Fiber (Dyneema/Spectra) CN-HS easy to machine?

Not especially — machinability is rated poor (25/100, worse than 65% of composite grades). Do not conventional-machine: cut yarn and fabric with hot knife, ultrasonic blade or laser; drilling laminates causes fuzzing and delamination — use sharp brad point at low feed.

Can UHMWPE Fiber (Dyneema/Spectra) CN-HS be welded?

Fibers cannot be melt-welded without destroying orientation; laminates are joined by adhesive-free hot pressing of the UD matrix (~120–130 °C, 15–20 MPa) or mechanically fastened.

What surface finishes work on UHMWPE Fiber (Dyneema/Spectra) CN-HS?

Surface is chemically inert and very low energy — corona, plasma or chromic-acid etch is needed before printing, coating or bonding; pigmented (black/coyote) yarns are used for UV and camouflage.

Can UHMWPE Fiber (Dyneema/Spectra) CN-HS be formed, bent or molded?

Panels are consolidated in a heated press below 145 °C; no autoclave epoxy cure above ~130 °C, and any pre-tension must account for room-temperature creep.

What is the maximum service temperature of UHMWPE Fiber (Dyneema/Spectra) CN-HS?

UHMWPE Fiber (Dyneema/Spectra) CN-HS is rated for continuous use to about 70°C (158 °F), and briefly to 130°C. Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.

Sources

  1. Dyneema SK60/SK75/SK78/SK90/SK99 and HB laminate fiber data sheets — DSM / Avient Protective Materials (2023)
  2. Spectra 900 / 1000 / 2000 fiber and Spectra Shield product data — Honeywell Advanced Fibers & Composites (2022)
  3. ASTM D2256 — Tensile Properties of Yarns by the Single-Strand Method — ASTM International (2021)
  4. Handbook of Properties of Textile and Technical Fibres — high-performance polyolefin fibres chapter — Woodhead / Elsevier (2018)
  5. ASM Engineered Materials Handbook Vol. 1–2 (Engineering Plastics / Composites) — ASM International (1988)

Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.