As there are no simple ratings for Office Chair Singapore foam durability it makes it difficult for buyers to assess the quality of a seat's foam. Here are some common sense tips to avoid those hard as concrete Office Chair Singapore.First, avoid all Office Chair Singapore costing less than $100. These sorts of chairs are all about meeting a price point and often the temptation to cut quality to the bone on things like the foam is too great.Second, check the manufacturer's specification to see what they say about the foam they use. Does it refer to it specifically? Is any level of quality implied, maybe the fact they use molded foams with two densities of foam.Lastly, here's a simple rule of thumb. What's the guarantee period for the Office Chair Singapore? In other words how confident is the manufacturer in its product? A minimum 5 year guarantee is usually a good indicator that decent quality foam is used in a Office Chair Singapore.