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Zytel® ST811HS BK038

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Polymer Name: Polyamide 6 (PA 6)
Processing Methods: Injection Molding, Extrusion, Coating
Flexural Modulus: 850.0 MPa
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Identification & Functionality

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Plastics & Elastomers Functions
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Zytel® ST811HS BK038 Features & Benefits

Applications & Uses

Properties

Physical Properties
ValueUnitsTest Method / Conditions
Molding Shrinkage - Parallel0.9/-%ISO 294-4, 2577
Molding Shrinkage - Normal1.4/-%ISO 294-4, 2577
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Modulus900/400MPaISO 527-1/-2
Yield Stress31/-MPaISO 527-1/-2
Yield Strain29/-%ISO 527-1/-2
Stress at Break (50 mm/min)44/-MPaISO 527-1/-2
Strain at Break (50 mm/min)230/-%ISO 527-1/-2
Flexural Modulus850/-MPaISO 178
Charpy Impact Strength (23°C)No Break/-kJ/m²ISO 179/1eU
Charpy Notched Impact Strength (23°C)80/-kJ/m²ISO 179/1eA
Charpy Notched Impact Strength (-40°C)12/-kJ/m²ISO 179/1eA
Izod Notched Impact Strength (23°C)65/-kJ/m²ISO 180/1A
Izod Notched Impact Strength (-40°C)13/-kJ/m²ISO 180/1A
Izod Impact Strength (23°C)No Break/-kJ/m²ISO 180/1U
Poisson's Ratio0.45/0.47--
Thermal Properties
ValueUnitsTest Method / Conditions
Melting Temperature (10°C/min)218/-°CISO 11357-1/-3
Glass Transition Temperature (10°C/min)50/0°CISO 11357-1/-2
Temperature of Deflection Under Load(1.8 MPa)40/-°CISO 75-1/-2
Coefficient of Linear Thermal Expansion - Parallel130/-E-6/KISO 11359-1/-2
Coefficient of Linear Thermal Expansion - Normal140/-E-6/KISO 11359-1/-2
Flammability
ValueUnitsTest Method / Conditions
FMVSS ClassB-ISO 3795 (FMVSS 302)
Burning Rate (1 mm, Thickness)max. 80mm/minISO 3795 (FMVSS 302)
Other Properties
ValueUnitsTest Method / Conditions
Humidity Absorption (2 mm)2.3/-%Sim. to ISO 62
Density1050/-kg/m³ISO 1183
Processing Information (Extrusion)
ValueUnitsTest Method / Conditions
Melt Temperature Range235 - 250°C-
Processing Moisture Content≤0.06%-
Melt Temperature Optimum240°C-
Drying Time (Dehumidified Dryer)4.0 - 6.0h-
Drying Temperature≤60°C-
Processing Information (Injection Molding)
ValueUnitsTest Method / Conditions
Drying Temperature60°C-
Drying RecommendedYes--
Drying Time (Dehumidified Dryer)2.0 - 4.0h-
Processing Moisture Content≤0.2%-
Melt Temperature Optimum270°C-
Min. Melt Temperature260°C-
Max. Melt Temperature280°C-
Max. Screw Tangential Speed0.3/-m/s-
Mold Temperature Optimum70°C-
Min. Mold Temperature50°C-
Max. Mold Temperature90°C-
Hold Pressure Range50 - 100MPa-
Hold Pressure Time4s/mm-
Ejection Temperature190°C-
Chemical Resistance
Chemical Type Chemical Name Resistance
Acids Acetic Acid (5% by mass) (23°C) Probably Resistant
Acids Chromic Acid solution (40% by mass) (23°C) Not Recommended
Acids Citric Acid solution (10% by mass) (23°C) Probably Resistant
Acids Hydrochloric Acid (36% by mass) (23°C) Not Recommended
Acids Lactic Acid (10% by mass) (23°C) Probably Resistant
Acids Nitric Acid (40% by mass) (23°C) Not Recommended
Acids Sulfuric Acid (38% by mass) (23°C) Not Recommended
Acids Sulfuric Acid (5% by mass) (23°C) Not Recommended
Alcohols Ethanol (23°C) Probably Resistant
Alcohols Isopropyl alcohol (23°C) Probably Resistant
Alcohols Methanol (23°C) Probably Resistant
Bases Ammonium Hydroxide solution (10% by mass) (23°C) Probably Resistant
Bases Sodium Hydroxide solution (1% by mass) (23°C) Probably Resistant
Bases Sodium Hydroxide solution (35% by mass) (23°C) Not Recommended
Ethers Diethyl ether (23°C) Probably Resistant
Hydrocarbons iso-Octane (23°C) Probably Resistant
Hydrocarbons n-Hexane (23°C) Probably Resistant
Hydrocarbons Toluene (23°C) Probably Resistant
Ketones Acetone (23°C) Probably Resistant
Mineral oils Insulating Oil (23°C) Probably Resistant
Mineral oils SAE 10W40 multigrade motor oil (130°C) Not Recommended
Mineral oils SAE 10W40 multigrade motor oil (23°C) Probably Resistant
Mineral oils SAE 80/90 hypoid-gear oil (130°C) Not Recommended
Other 1% nonylphenoxy-polyethyleneoxy ethanol in water (23°C) Probably Resistant
Other 50% Oleic acid + 50% Olive Oil (23°C) Probably Resistant
Other DOT No. 4 Brake fluid (130°C) Not Recommended
Other Ethyl Acetate (23°C) Probably Resistant
Other Ethylene Glycol (50% by mass) in water (108°C) Not Recommended
Other Hydrogen peroxide (23°C) Not Recommended
Other Phenol solution (5% by mass) (23°C) Not Recommended
Other Water (23°C) Probably Resistant
Other Water (90°C) Not Recommended
Salt solutions Sodium Carbonate solution (2% by mass) (23°C) Probably Resistant
Salt solutions Sodium Carbonate solution (20% by mass) (23°C) Probably Resistant
Salt solutions Sodium Chloride solution (10% by mass) (23°C) Probably Resistant
Salt solutions Sodium Hypochlorite solution (10% by mass) (23°C) Not Recommended
Salt solutions Zinc Chloride solution (50% by mass) (23°C) Not Recommended
Standard Fuels Diesel fuel (pref. ISO 1817 Liquid F) (>90°C) Not Recommended
Standard Fuels Diesel fuel (pref. ISO 1817 Liquid F) (23°C) Probably Resistant
Standard Fuels Diesel fuel (pref. ISO 1817 Liquid F) (90°C) Probably Resistant
Standard Fuels ISO 1817 Liquid 1 - E5 (60°C) Probably Resistant
Standard Fuels ISO 1817 Liquid 2 - M15E4 (60°C) Probably Resistant
Standard Fuels ISO 1817 Liquid 3 - M3E7 (60°C) Probably Resistant
Standard Fuels ISO 1817 Liquid 4 - M15 (60°C) Probably Resistant
Standard Fuels Standard fuel with alcohol (pref. ISO 1817 Liquid 4) (23°C) Probably Resistant
Standard Fuels Standard fuel without alcohol (pref. ISO 1817 Liquid C) (23°C) Probably Resistant

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Zytel® ST811HS BK038
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