Troykyd FCD736 Silicone-free Troy Defoamers / Anti-Foaming Agents >> Non silicone based Aminoplaste & Phenoplastes (UF, MUF...) Rubber - Elastomer (Chloroprene, Butyl …) ADHESIVE SEALANT Troykyd FCD736 Troykyd FCD736 is a highly compatible silicone-free defoamer for use in natural latex rubber and phenol-formaldehyde (plywood laminating) adhesive systems. Highly compatible silicone-free defoamer. Used in phenol-formaldehyde (plywood laminating) adhesive systems and in sealants.