Crastin® LW9030FR BK851 is a 30% glass fiber reinforced, flame retardant polybutylene terephthalate blend for injection molding. It has improved surface aesthetics, excellent dimensional stability and low warpage characteristics.
Polymer Name: PBT/ASA Alloy
Processing Methods: Injection Molding
Density: 1550.0 kg/m³
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OtherKnowde Enhanced TDS
Identification & Functionality
Additives Included
Chemical Family
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Plastics & Elastomers Functions
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Crastin® LW9030FR BK851 Features & Benefits
Applications & Uses
Markets
Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods
Properties
Chemical Resistance
Color
Flame Rating
Part Marking Code
Resin ID
Filler Content
Mechanical Properties
Value | Units | Test Method / Conditions | |
Tensile Modulus | 10200 | MPa | ISO 527-2/1A/1 |
Stress at Break | 115 | MPa | ISO 527-1/-2 |
Strain at Break | 1.7 | % | ISO 527-1/-2 |
Flexural Strength | 160 | MPa | ASTM D 790 |
Charpy Impact Strength (23°C) | 35 | kJ/m2 | ISO 179/1eU |
Charpy Notched Impact Strength (23°C) | 7 | kJ/m2 | ISO 179-1/1eA |
Izod Notched Impact Strength (23°C) | 6 | kJ/m2 | ISO 180/1A |
Poisson's Ratio | 0.34 | - | ASTM E132 |
Physical Properties
Value | Units | Test Method / Conditions | |
Melt Mass Flow Rate - MFR (250°C/5 kg) | 14 | g/10min | ISO 1133 |
Intrinsic Viscosity | 0.93 | - | ISO 307, 1157, 1628 |
Thermal Properties
Value | Units | Test Method / Conditions | |
Melting Temperature (10°C/min) | 225 | °C | ISO 11357-1/-3 |
Relative Temperature Index - Electrical (0.75 mm) | 140 | °C | UL 746B |
Relative Temperature Index - Electrical (1.5 mm) | 140 | °C | UL 746B |
Relative Temperature Index - Electrical (3 mm) | 140 | °C | UL 746B |
Relative Temperature Index - Electrical (6 mm) | 140 | °C | UL 746B |
Relative Temperature Index - Impact (0.75 mm) | 125 | °C | UL 746B |
Relative Temperature Index - Impact (1.5 mm) | 125 | °C | UL 746B |
Relative Temperature Index - Impact (3 mm) | 130 | °C | UL 746B |
Relative Temperature Index - Impact (6 mm) | 130 | °C | UL 746B |
Relative Temperature Index - Strength (0.75 mm) | 130 | °C | UL 746B |
Relative Temperature Index - Strength (1.5 mm) | 130 | °C | UL 746B |
Relative Temperature Index - Strength (3 mm) | 140 | °C | UL 746B |
Relative Temperature Index - Strength (6 mm) | 140 | °C | UL 746B |
Electrical Properties
Value | Units | Test Method / Conditions | |
Relative Permittivity (100 Hz) | 4.7 | - | IEC 62631-2-1 |
Relative Permittivity (1 MHz) | 4.4 | - | IEC 62631-2-1 |
Dissipation Factor (100 Hz) | 54 | E-4 | IEC 62631-2-1 |
Dissipation Factor (1 MHz) | 203 | E-4 | IEC 62631-2-1 |
Surface Resistivity | 1.00E+14 | ohm | IEC 62631-3-2 |
Electric Strength | 29 | kV/mm | IEC 60243-1 |
Comparative Tracking Index - CTI | 325 | - | IEC 60112 |
Volume Resistivity | >1E13 | ohm.m | IEC 60093 |
Flammability
Value | Units | Test Method / Conditions | |
Burning Behaviour (1.5 mm, Nominal Thickness) | V-0 | class | IEC 60695-11-10 |
Burning Behaviour (Thickness h) | V-0 | class | IEC 60695-11-10 |
Burning Behaviour (5V, Thickness h) | 5VA | class | IEC 60695-11-20 |
Oxygen Index | 27 | % | ASTM D 2863 |
Glow Wire Flammability Index - GWFI (3 mm) | 960 | °C | IEC 60695-2-12 |
Glow Wire Ignition Temperature (3 mm) | 960 | °C | IEC 60695-2-13 |
FMVSS Class | DNI | - | ISO 3795 (FMVSS 302) |
Ul Recognition | Yes | - | UL 94 |
Thickness Tested | 1.5 | mm | IEC 60695-11-10 |
Other Properties
Value | Units | Test Method / Conditions | |
Density of Melt | 1420 | kg/m³ | - |
Density | 1550 | kg/m³ | ISO 1183 |
Processing Information (Injection Molding)
Value | Units | Test Method / Conditions | |
Drying Recommended | Yes | - | - |
Drying Temperature | 120 | °C | - |
Drying Time (Dehumidified Dryer) | 2.0 - 4.0 | h | - |
Processing Moisture Content | ≤0.04 | % | - |
Melt Temperature Optimum | 250 | °C | - |
Min. Melt Temperature | 240 | °C | - |
Max. Melt Temperature | 260 | °C | - |
Mold Temperature Optimum | 80 | °C | - |
Min. Mold Temperature | 30 | °C | - |
Max. Mold Temperature | 130 | °C | - |
Hold Pressure Range | ≥60 | MPa | - |
Hold Pressure Time | 3 | s/mm | - |
Back Pressure | As low as possible | - | - |
Ejection Temperature | 170 | °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) | Probably Resistant |
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) | Probably Resistant |
Salt solutions | Zinc Chloride solution (50% by mass) (23°C) | Probably Resistant |
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) | Not Recommended |
Standard Fuels | ISO 1817 Liquid 2 - M15E4 (60°C) | Not Recommended |
Standard Fuels | ISO 1817 Liquid 3 - M3E7 (60°C) | Not Recommended |
Standard Fuels | ISO 1817 Liquid 4 - M15 (60°C) | Not Recommended |
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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Crastin® LW9030FR BK851
DuPont