| Payment Type: | T/T,Paypal |
| Incoterm: | FOB,CFR,CIF,EXW,DDU |
| Min. Order: | 1 Kilogram |
| Transportation: | Ocean,Land,Air,Express |
| Port: | Shenzhen,Guangzhou,Hongkong |
Model No.: DuPont™ Vespel ® SP-1
Brand: Vespel
| Selling Units | : | Kilogram |
| Package Type | : | Export package |
PI Polyimide is a kind of Heteroaromatic polymers,whose Molecular structure containing polyimide-based monomeric unit.It is a super-performancde Engineering Plastic (250 degree heat can be a long-term job),and has an excellent mechnical and thermal dimensional stability,dielectric properties, wear-resistant,weather resistance,permeability wave,self-lubricating properties,and non-toxic,flame retardant,high temperature sterilization available.
The typical profermance of PI for each grade:
| Product type | Polyimide - CA30 | Polyimide - CA30+ | Polyimide-GF30 | Polyimide | ||
| 30% carbon fiber | 30% carbon fiber and | 30% glass fiber | pure resin | |||
| Antifriction lubricant | ||||||
| Item | Test standard | Unit | Test value | |||
| Apprearance | − | − | black | black | yellow | dark brown |
| Density | GB1033-1970 | g/cm³ | 1.44 | 1.53 | 1.6 | 1.35 |
| Bibulous rate (25°C,24Hrs) | GB1034-1970 | % | 0.5 | 0.5 | 0.5 | 0.2 |
| Molding shrinkage | % | 0.3 | 0.6 | 0.5 | 0.8 | |
| (25°C-340°C) | ||||||
| Melt index | GB3682-1983 | g/10min | 1.0 | 2.0 | 1.0 | − |
| (360°C 2.16Kg) | ||||||
| tensile strength | GB/T1040-1992 | MPa | 200 | 100 | 130 | 95 |
| (20°C) | ||||||
| Elongation(20°C) | GB/T1040-1992 | % | 4 | 8 | 5 | 7 |
| Bending strength | GB1042-1979 | MPa | 220 | 160 | 200 | 150 |
| (20°C) | ||||||
| compression strength(20°C) | GB/T1041-1992 | MPa | 200 | 130 | 180 | 120 |
| Charpy impact | GB/T16420-1996 | KJ/m² | 20 | 15 | 20 | 25 |
| strength (no notch) | ||||||
| Dielectric constant | GB1409-1978 | − | − | − | 3.4 | 3.2 |
| (1MHz,20°C) | ||||||
| Volume resistivity | GB1410-1978 | Ω-cm | − | − | 1016 | 1016 |
| Friction coefficient | GB3960-1983 | − | 0.25 | 0.05-0.08 | 0.27 | − |
PI Characteristics:
1.Flame resistance
2.Good mechanical properties
3.Excellent thermal properties
4.High radiation-resistance
5.Outstanding electrical properties
6.High temperature:250°C
7.Dielectric properties
8.Corrosion-resistance
PI Industry Applications:
1.Semiconductor machinery components
2.Aerospace parts
3.seals
4.Pump and valve components
5.Bearings \ bushings \Gear
6. Electrical components
7.Medical instrument parts
8.Food processing machinery components
9.Oil intrutry
10. Automatic intrutry
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