ABS has excellent mechanical properties, excellent impact strength and can be used at extremely low temperatures. ABS has excellent wear resistance, good dimensional stability and oil resistance, and can be used for bearings under medium load and speed. The creep resistance of ABS is larger than that of PSF and PC, but smaller than PA and POM. The bending strength and compressive strength of ABS are poor in plastics. The mechanical properties of ABS are greatly affected by temperature.
I. Classification and application of ABS pipes
ABS pipes can be classified into general-purpose grades (including various impact grades), flame retardant grades, heat-resistant grades, electroplating grades, transparent grades, structural foam grades, and modified ABS, depending on the application. General purpose grades for the manufacture of gears, bearings, handles, machine housings and components, enclosures, computers, tape recorders, televisions, telephones, etc., and toys; flame retardant grades for the manufacture of electronic components such as computer terminals, machine housings and Various household appliances; structural foaming grades for the manufacture of enclosures for electronic devices; heat-resistant grades for the manufacture of automated instruments and motor housings for power plants; electroplating grades for the manufacture of automotive components, various knobs, nameplates, Decorations and daily necessities; transparent grades are used to make dials, food trays in refrigerators, etc.
Second, the characteristics of ABS pipe fittings:
1, corrosion resistance
The ABS tube is made of a high-molecular polymer made of corrosion-resistant properties. The tube does not change its substance under any circumstances. In addition, the ABS tube does not need to be painted and is very easy to maintain.
2, resistance to pressure, impact resistance
At 23±2°C Celsius, it can operate normally under the pressure of 38kgf/cm2 for one hour without cracking, deformation and leakage. At low temperatures, ABS engineering plastic pipes can withstand strong impact forces without breaking.
3, a wide range of working temperatures
The operating temperature range of ABS tube is from -40 °C to +95 °C (heat-resistant type should be selected above 70 °C), and the material can be stable within this range.
4, heat preservation
The heat transfer coefficient of ABS pipe is 1/200 of that of ordinary iron pipe, which means that the energy loss of ABS engineering plastic pipe is much 200 times less than that of iron pipe. Therefore, ABS engineering plastic pipe can save huge energy in maintaining energy under such transmission. the cost of.
5, high liquidity
The ABS tube has a smooth inner wall and low resistance to prevent the formation of dirt, which accelerates the flow rate of the fluid in the tube.
6, non-toxic
ABS engineering plastic pipes do not contain heavy metal stabilizers, so there is no toxic and heavy metals oozing out of the pipes to the outside to contaminate the water source.
7, light weight
The weight of the ABS pipe is only 1/8 of the weight of the iron pipe, and the PVC pipe is 5/8 heavy, so it is easy to disassemble and operate.
8, long service life
ABS engineering plastic pipes can be used for a minimum of 50 years under normal operating conditions and conditions of use.
Third, the scope of application of ABS pipe fittings:
Building water supply and drainage system, refrigerating air conditioning and cooling water circulation system, environmental pollution and water treatment system, various industrial piping systems, HVAC systems
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