How to analysis of silica gel products quality is good or bad?

All say analysis talents come to the conclusion that sometimes when tell a person's professional level from his professional Angle to analyze, judge a thing for a mistake from the reason analysis, to distinguish between a silica gel products, the managers of mouth, quality and service, and other elements, but professional people do professional thing, today with you to determine how a silica gel products can see that its quality is good or bad?     Many times the silicone products manufacturer to supply the products is not what you want effect, there may be a little misunderstanding, if you clear after that you'll have to discuss to see other products from the supplier can have in common with what you want! And judgment is the most important of a silicone products manufacturer & other; Touch & throughout; Problem: & emsp;   Visual discrimination: silicone products & emsp;   Stitches come out 1, the product of the burrs is rough to the touch, the size of the moulding line resolution the product mold, mold charge for the resolution to the overall effect of the products, since the stitch is important!     2, product effect of sulfide, feel feel products on hard uneven softness, poor poor tensile strength of springback and rebound effect, relationship between the problem of the data to the curing time and the original manufacturer.     3, color and flavor, the color of the silicone product color can match the average depending on the manufacturer when mixed in the mixing process of average, the longer the better color saturation.     4, silica gel products raw material is non-toxic tasteless, but raw materials adding curing agent after high temperature silicone products manufacturer of hydraulic molding process will appear a little glue smell but after secondary curing temperature and long time placement will gradually disappear! So there is no breath is normal!     About silicone products to a vendor can get basic request, fundamental above points to stop discrimination, of course, want to choose a high quality supplier or demand in many ways to stop understanding, the disposal of products, manufacturers strength and the qualification of nature is important! Rubber seal products to select different materials can meet the different high and low temperature resistance, high and low pressure resistance, abrasion resistance, acid and alkali and other chemical medium, corrosion resistance, aging, knight of the oil pressure and fatigue condition of the environment, can according to customer demand design suitable products.