PPS Polyphenylene Sulfide (English),
PPS main properties of
A [heat-resistant] PPS excellent heat-resistance, its melting more than 280 degrees, the load at 1.8 MPa 260 degrees Celsius in the thermal deformation temperature, temperature for long-term use of 220-240 degrees Celsius.
A [anti-flammability] PPS resin itself has very good resistance and flame retardant without joining UL94 can achieve a level and 5-0 (no V drops), and burning process is very low smoke filled.
A mechanical properties] [pure PPS resin mechanical strength is not high, the glass fiber or fiber reinforced or mineral filler, its strength and rigidity, and increase exponentially with excellent resistance to creep and fatigue resistance. Surface hardness, rockwell hardness, tensile strength 100HR > > > 220MPa 170MPa, bending strength, notched impact strength, bending modulus 16MPa > > 3.5 x 104,
A character] [chemical properties of resistance to chemicals PPS, after ptfe very good at 200 ° c, following insoluble in any organic solvent, except strong oxidizing acid on inorganic acid, alkali and salty of strong resistance. And all kinds of radiation is very stable.
A [dimension stability] by composite resin, PPS molding shrinkage rate is very low, the less than half 0.0025% absorptivity, thermal expansion coefficient, the linear and small. In high temperature, humidity conditions are good dimensional stability.
A [electrical characteristics of electrical insulation and PPS] well, dielectric strength at high temperature, humidity, high-frequency conditions are excellent performance, its volume resistivity for 1 x Ω 1016. Cm, surface resistivity for 1 x >, electric intensity Ω 1015 18KV/mm.
A [processing properties] PPS resin liquidity is very good, can use all sorts of methods processing molding, the fiber reinforced or after filling injection molding, still can be complicated thin-walled and parts.
A [with metallic and nonmetallic adhesion] PPS especially for glass, aluminum, titanium, stainless steel etc. It has a very high adhesion to the bonding strength, grade 1. The bonding of glass, very appropriate for chemical equipment of lining.
PPS main application fields
A miniature electronic components, electronic packaging, connectors and cables, socket, coil skeleton, fine-tuning capacitor, insurance device base.
A mechanical instrument: pumps, pump wheels, shell, gear, pulley, universal head, gasket, flanges, counter, level, flow components.
A car: temperature sensor, the carburetor, evolution, vaporization, water pump, water room chair base.
A: electric appliances, microwave oven, dryer, coffee pot, electric cooker, hot hair, marcel, air conditioner compressor.
A military field: making fighters, missiles, missiles, vertical junction combustion in aviation, spaceflight, aircraft connectors, coil skeleton, the dashboard.