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Valox* Resin
Valox* Resin All Series
The Valox* family of thermoplastic polyester resins are semi-crystalline materials based on polybutylene terephthalate (PBT) and/or polyethylene terephthalate (PET) polymers. Valox resins are highly tailorable, combining heat, chemical resistance, and outstanding electrical properties with exceptionally good processability and surface appearance.
Valox* Resin PBT HR426 数据表
AUTOMOTIVE. 30% GR, hydrolytically stable PBT. Excellent strength, stiffness and dimensional stability.
Property
TYPICAL PROPERTIES (1)
MECHANICAL | Value | Unit | Standard |
Tensile Stress,brk,Type I,5mm/min | 1190 | kgf/cm² | ASTM D 638 |
Tensile Strain,brk,Type I,5mm/min | 3 | % | ASTM D 638 |
Flexural Modulus,1.3mm/min,50mm span | 70300 | kgf/cm² | ASTM D 790 |
Hardness,Rockwell R | 118 | - | ASTM D 785 |
IMPACT | Value | Unit | Standard |
Izod Impact,unnotched,23℃ | 81 | cm-kgf/cm | ASTM D 4812 |
Izod Impact,notched,23℃ | 9 | cm-kgf/cm | ASTM D 256 |
THERMAL | Value | Unit | Standard |
HDT,0.45 MPa,6.4mm,unannealed | 218 | ℃ | ASTM D 648 |
HDT,1.82 MPa,6.4mm,unannealed | 207 | ℃ | ASTM D 648 |
Relative Temp Index,Elec | 140 | ℃ | UL 746B |
Relative Temp Index,Mech w/impact | 140 | ℃ | UL 746B |
Relative Temp Index,Mech w/o impact | 140 | ℃ | UL 746B |
PHYSICAL | Value | Unit | Standard |
Specific Gravity | 1.53 | - | ASTM D 792 |
Specific Volume | 0.65 | cm³/g | ASTM D 792 |
Mold Shrinkage,flow,1.5-3.2mm(5) | 0.3-0.5 | % | SABIC Method |
Mold Shrinkage,flow,3.2-4.6mm(5) | 0.5-0.8 | % | SABIC Method |
Mold Shrinkage,xflow,1.5-3.2mm(5) | 0.4-0.6 | % | SABIC Method |
Mold Shrinkage,xflow,3.2-4.6mm(5) | 0.6-0.9 | % | SABIC Method |
ELECTRICAL | Value | Unit | Standard |
Volume Resistivity | 1.90E+16 | Ohm-cm | ASTM D 257 |
Dielectric Strength,in oil,3.2mm | 19.1 | kV/mm | ASTM D 149 |
Relative Permittivity,50/60 Hz | 3.24 | - | ASTM D 150 |
Relative Permittivity,1 MHz | 3.13 | - | ASTM D 150 |
Dissipation Factor,50/60 Hz | 0.003 | - | ASTM D 150 |
Dissipation Factor,1 MHz | 0.014 | - | ASTM D 150 |
Arc Resistance,Tungsten{PLC} | 5 | PLC Code | ASTM D 495 |
Hot Wire Ignition{PLC) | 0 | PLC Code | UL 746A |
High Voltage Arc Track Rate{PLC} | 2 | PLC Code | UL 746A |
High Ampere Arc Ign,surface{PLC} | 3 | PLC Code | UL 746A |
Comparative Tracking Index(UL){PLC} | 1 | PLC Code | UL 746A |
FLAME CHARACTERISTICS | Value | Unit | Standard |
UL Recognized,94HB Flame Class Rating(3) | 0.76 | mm | UL 94 |
HYDROLYTIC STABILITY | Value | Unit | Standard |
50% Loss of TS at 120℃/100% RH | 0 | days | SABIC Method |
50% Loss of TS at 85℃/94% RH | 200 | Days(>) | SABIC Method |
Source GMD,last updated:1999/12/29 |
Parameter Injection Molding | Value | Unit |
Drying Temperature | 60-75 | ℃ |
Drying Time | 4-5 | hrs |
Drying Time(Cumulative) | 8 | hrs |
Maximum Moisture Content | 0.05 | % |
Melt Temperature | 250-265 | ℃ |
Nozzle Temperature | 245-260 | ℃ |
Front-Zone 3 Temperature | 250-265 | ℃ |
Middle-Zone 2 Temperature | 245-260 | ℃ |
Rear-Zone 1 Temperature | 240-255 | ℃ |
Mold Temperature | 65-90 | ℃ |
Back Pressure | 0.3-0.7 | MPa |
Screw Speed | 50-80 | rpm |
Shot to Cylinder Size | 40-80 | % |
Vent Depth | 0.025-0.038 | mm |
Source GMD,last updated:1999/12/29 |
THESE PROPERTY VALUES ARE NOT INTENDED FOR SPECIFICATION PURPOSES.
Buy SABIC Innovative please contact xiang zhang Engineering plastics
1、Typical values only. Variations within normal tolerances are possible for various colors. All values are measured after at least 48 hours storage at 23℃/50% relative humidity. All properties, except the melt volume and melt flow rates, are measured on injection molded samples. All samples tested under ISO test standards are prepared according to ISO 294.
2、Only typical data for selection purposes. Not to be used for part or tool design.
3、This rating is not intended to reflect hazards presented by this or any other material under actual fire conditions.
4、Internal measurements according to UL standards.POM 311DP BK402 中高粘度,热稳定,低翘曲
5、Measurements made from laboratory test coupon. Actual shrinkage may vary outside of range due to differences in processing conditions, equipment, part geometry and tool design. It is recommended that mold shrinkage studies be performed with surrogate or legacy tooling prior to cutting tools for new molded article.
关健字:【Valox* Resin PBT HR426】