Hydroxypropyl Methylcellulose E19 - WillPowder from Chef Will Goldfarb, 1lb Willpowder Sale! from 4500 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Unlike other gelifiers, Methylcellulose gelifies when heat is applied. When cold it acts as a thickener. Semi-firm gel forms at 58-64ºC with E19.BULK ORDERS: For orders over 30 units please call us to place order.