Hydroxypropyl Methylcellulose F50 Wikipantry On Sale! from 2550 /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 62-68C with F50.BULK ORDERS: For orders over 30 units please call us to place order.