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The shrapnel of tact switch has circle, square, triangle, ellipse, etc., and different shapes with different travel.The inner triangles and ellipses are rarely seen in the tact switch, generally we can see square shrapnel and round shrapnel.Squares and circles have advantages in shape, handling and stroke.Round shrapnel is used most,it is one of the shortest line distances of each shrapnel shape.The material of the shrapnel is phosphorous copper and stainless steel,many domestic manufacturers will choose phosphocopper shrapnel, because it is cost-effective to reduce costs,the drawback is that the shrapnel is not as resistant to temperature as stainless steel,after the furnace temperature will produce a change, easy to shrink so that the handle becomes bad,while stainless steel shrapnel cost is higher, but not easy deformation,the stainless steel shrapnel has high precision, good feel and comfortable key, which makes the tact switch have a longer service life.

Here I recommend some domestic tact switch brands that feel good to everybody for reference,CHINT,DELIXI,ALPS,XKB.ALPS brand tact switches have the advantages of high temperature resistance, long service life, and waterproof,XKB switches use stainless steel shrapnel imported from Taiwan and Japan,each switch can be guaranteed to have a life of no less than 100,000 times.Now more and more domestic customers have replaced the tact switch of imported ALPS with XKB brand,in terms of sexual price and delivery date, it is more in line with domestic demand,after all, the XKB brand is perfectly capable of meeting the market demand for small tact switches with easy deflection.