This is special company that has been manufacturing Breathable Waterproof Fabric coated polyurethane since 1997 and named SERA-TEX developed in ourselves. In SERA-TEX, Maximum water vapor resistance is over 25,000 g/㎡24hrs in case of 2 layer and over 15,000 g/㎡24hrs in 3 layer. Water entry pressure is over 10,000mmH2O. TEST METHOD : JIS L 1099 (B-1) (CH3COOK METHOD) We have been manufacturing our own seam tape for 3 layer.This item is usually taken advantage of making sportswear such as ski, mountaineering and fishing wear so on.To get more information about our company and products, why don?t you visit our web site (http://www.seratex.com)?I?m looking forward to hearing from you and kindly regards.Sanghoon Nam/ S. Manager
