1, Nitril raba
Solenoid valves are made from emulsion polymerization of butadiene and acrylonitrile, mainly composed of low temperature emulsion polymerization. It has excellent oil resistance, high wear resistance, good heat resistance and strong adhesion. Its disadvantages are poor low temperature resistance, poor ozone resistance, poor electrical performance, and slightly low elasticity.
Antap long dispela, em i gat gutpela wara resistens tu, win i tait na gutpela adhesen pefomens. Ol i save yusim planti long wokim ol kain kain oil resisten raba prodak, ol kain kain oil resisten gasket, gasket, slev, fleksibel paket, hos, printim na daiim ol kot, kopi raba, na ol narapela samting i bin kamap olsem petroleum, na i bin kamap olsem wanpela bikpela samting bilong wokim ol samting long ka, na i bin kamap olsem wanpela bikpela samting bilong wokim ol samting long ka, na i bin kamap olsem wanpela bikpela samting bilong wokim ol samting long ka, na i bin kamap olsem wanpela bikpela samting bilong wokim ol samting bilong ka, na i bin kamap olsem wanpela bikpela samting bilong wokim ol samting bilong ka, na i bin kamap olsem wanpela bikpela samting bilong wokim ol samting bilong ka, na i bin kamap olsem wanpela bikpela samting bilong wokim ol samting bilong ka, na i bin kamap olsem wanpela bikpela samting bilong wokim ol samting long ka, na ol i bin wokim ol 'petroleum, ol i bin wokim ol samting bilong ol, na ol i bin mekim ol samting bilong wokim ol samting bilong haus. ilektronik na ol narapela indastri{{2} Ol narapela indastri.
Nitrile raba (NBR) i gat gutpela oil resistens, namba tu tasol long polisalfaid raba na fluorobber, wantaim wear resistens na ea taitnes. bagarap bilong NBR em olsem em i no inap long sakim ozon na aromatik, halogented haidrokabon, keton na ester solvent, olsem na em i no gutpela long insuletim ol samting bilong haidrokabon, keton na ester solvent, olsem na em i no gutpela long putim ol samting bilong pasim wara.
Ol bikpela yus: NBR ol i save yusim moa yet long kamapim ol paip, tep, ol bikpela oil beg na ol narapela samting bilong oil i no inap yusim oil, olsem O-ring, oil sil, kap, daiafram, valv, belo, na ol narapela samting, na ol narapela hap bilong en.
2, EPDM raba
EPDM em i wanpela terpolima bilong ethylene, propilen na unkonjuget daine. Em i bin komesalisim long 1963. Wol i yusim 80000 tan long wanpela yia{{3} Ol bikpela pasin bilong EPDM i gutpela oksidesen resistens, ozon resistens na korosen resistens.E . Ethylene propylene dien monoma (EPDM) i gat mak i daunbilo tru long olgeta raba. Em i ken kisim planti fila na oil, na i gat liklik wok long pefomens bilong en. Olsem na, ol raba kompaun i gat liklik kos ol i ken kamapim.
Molekula straksa na ol samting
Straksa: ethylene propilen terpolima em i wanpela terpolima bilong ethylene, propilen na dinein i no konjuget i no gat konjuget i . wanpela bilong ol daien i gat ol spesel straksa’ wanpela sait sen. Bikpela sen bilong EPDM i pulap olgeta{{5} dispela samting i mekim EPDM hat i no inap long hat, i no inap long lait, i no inap kisim oksijen, moa yet ozon i no inap kisim bagarap long ozon . Ethylene propylene tepolymer em i no as bilong polar solusen na ol kemikal, wara i no inap kisim wara long en, na wara i no inap kisim wara long en, na wara i no inap kisim wara long en, na wara i no inap kisim wara.
Ol samting: 1. ol samting bilong lektrik; 2. elastisiti; 3. adhesiveness; 4. liklik densiti na hai ful; 5. supahait resistens; 6. wara steam resistens; 7. samting bilong daunim lapun; 8. korosen resistens.
3, Fluororubber (FKM)
There are different types of fluorine-containing rubbers in molecules according to different fluorine content, namely monomer structure. At present, fluororubber containing hexafluoride system is the first time DuPont listed in the name of "fluororubber". High temperature resistance is better than silicone rubber. It has good chemical resistance, resistance to most oils and solvents (except ol keton na ol ester), gutpela weta i no inap bagarap na ozon i no inap bagarap, tasol ol i no inap kisim kol; ol i save yusim planti long ol lokomotiv, B na ol narapela prodak, na ol narapela prodak, na ol sil long ol kemikel plent, wantaim sevis tempereja i stat long - 20 digri i go long 260 digri . Taim i gat liklik tempereja resisten sabstitut, em i ken aplai long - 40 digri tasol prais i no gutpela{N8} His {8} Gut{8} His .
