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POLY SEAL (G-STOP) DESCRIPTION: Poly Seal is a hydrophilic polymer that will expand 200/300 times its volume in fresh water (50 /70 times in salt water). This property makes it an excellent medium for plugging fractures, cavernous formations and unconsolidated or highly permeable formations encountered in drilling operations.SPECIFICATION: ITEMSINDEXAPPEARANCEFREE FLOWING GRANULAREXPANDING COEFFIECIENT IN FRESH WATER260 TIMES BY VOLUMEEXPANDING COEFFIECIENT IN SALTY WATER60 TIMES BY VOLUMEUSAGE & DOSAGEIts good compatibity with other drilling chemicals and its expandability will be shown when used. PACKAGEThe product is usually kept in a compound or multi-wall bags, with each net weight 25 KG; Special packages are available based on customers' requirements. STORAGE The product should be kept in shady, dry and ventilated warehouse with environment temperature controlled within 122F and relative humidity 50%. It should be prevented from sun and rain, and positioned in some place away from heat and fire; the recommendation for bag piles is no more than 8 layers. The expiration period is 12 months. It should not be utilized unless examined and qualified if out of expiration. SAFETY Avoid contacting with eyes, skin and clothing. Otherwise, wash with a flush of water. Refer to Material Safety Data Sheet (MSDS) for complete handling and hazard data.