[Jada Industry and Trade to recommend star product - Seal] 1 first hand moderate stretch without breaking, bending after release quickly recover. Highly filled soft PVC seal strength is poor, a discount on the crack, said something on the break. 2 Secondly, we want to check the tape surface is flat concept, no impurities, no bubbles, no jagged scar walls seal models, should feel smooth and soft. Highly filled soft PVC or EPDM seals poor elasticity, surface roughness, large deformation. 3 can be used with or without nasal olfactory sensory aromatic odor. Some use only PVC seal scrap of varying quality brand wall seal, the formulation is also added an excess of filler material and low molecular weight alkenyl aromatic oil or heavy diesel oil refining complex component plasticizers substitutes. Just the smell of this product when shipped larger over time the more volatile ingredients, seal quickly stiff brittle, so strip contraction, loose, fall off, easy to crack the aging walls seal, losing seal. Due to the migration of oil or heavy oil arylalkenyl profiles will lead to yellowing. [Jada Industry and Trade to recommend star product - Seal] key lies in the actual sealing windows and doors, sealing the quality seal plays an important role. Market with a seal material is generally modified PVC in soft PVC key role in its inside is nothing more than adding plasticizers good or bad, there are currently more stable plasticizer dioctyl phthalate butter, two small fat. With the prices of various petrochemical products continues to rise, seals and other rubber products prices also rising. Curtain wall sealing strip, sealing strip curtain model, 30-year seal provided by the manufacturer Yada Yada Industry and Trade Industry and Trade. This information consists of: Tianjin Adar Ltd. (www.yada-mfj.com) offer, we are Commercial Union membership, the integrity of the whole network authentication provider. Feel free to contact us, contact: Manager Ma