Potassium Hydroxide / KOH / Caustic Potash Flakes 90% - Weight: Approx 1 kilo - Expect significant release of heat upon dissolution in water. - Ensure adequate ventilation when handling this product - Wear protective gloves, eye protection, clothing and face protection when handling this product as it can be irritable. - Thoroughly wash all exposed skin after handling this product. - Keep out of reach of children at all times. Shelf Life: Good as long as stored in a cool, dark and dry place. Seal properly after each use PLEASE READ - Once payment is confirmed by SHOPEE, orders are picked up within 2 DAYS (especially if you ordered during the weekend). DELIVERY to Metro Manila takes another 2-5 days and DELIVERY to PROVINCIAL AREAS takes another 3-8 days. - For orders that aren't qualified for Free Shipping, shipping fee will appear upon check out. - Once the package has been shipped, Tracking Numbers are provided and can be seen on your order details. Once your order is picked up by the courier, sellers do not have visibility of the package. It is the responsibility of the buyer to track their own package. You may track you package/s - by calling Shopee 02-8805200 or - by emailing Shopee at support@shopee.ph #ShopeeSuki #freeshippingshopee #potassiumhydroxide #KOH #causticpotash #causticpotas#undefinedhflakes #lye #liquidsoad #softsoap #lye