Double Baker Glue Fixovin Double Baker Gel-Starch Adhesive Powder is a special product developed for use in Double Baker. This starch adhesive is fully gelatinized and has a pH of 7 (Neutral Adhesive). This starch adhesive does not require heat to form a green bond. The adhesive is specially developed to increase the speed of the machine and operation. The heat required on hot plates will be very minimum.