Industrial grade 99% Diallyl phthalate CAS 131-17-9 DAP

Certificate of Analysis-COA 

 Applications 

1. Crosslinking Monomer For Unsaturated Polyester And Thermoset Systems: Carries two reactive allyl groups, so it copolymerises into the resin network through covalent bonds instead of staying behind as a free additive, and it is used as the crosslinking monomer in unsaturated polyester and other thermosetting systems.

2. Reactive Plasticizer That Improves Flow Before It Cures: Added to a compound it lowers viscosity and improves flowability during processing, then it is consumed during cure and contributes hardness to the finished part, which is why it behaves as a reactive plasticizer rather than a conventional one.

3. Molding Powders, Casting Resins And Laminates: Polymerised into thermosetting molding powders, casting resins and laminates, usually filled with mineral, glass or synthetic fibre, and the prepolymer form adds heat resistance, toughening and dispersion to those compounds.

4. Electrical Connectors And Insulating Components: A major destination for allyl compounds, where the high thermal resistance carries the parts through vapour phase soldering, and the prepolymer grades go into arc track resistant switchgear and television components, insulators, encapsulating shells, potentiometer parts, circuit boards, junction boxes and housings.

5. UV Curing Inks, Coatings And PVC Internal Plasticizing: The prepolymer is used in ultraviolet curing inks and paints and in decorative laminated material, and the monomer also serves as an internal plasticizer for PVC.

 Production Line

We operate 10+ production lines, backed by a well-stocked raw material warehouse.

Our workshop is equipped with automated machinery — ensuring high consistency and precision on every order, from trial samples to full container loads.

Every order follows a standardized workflow. Key quality control points are set at every stage.

 Factory Area

Standardized Process Flow

Production Capacity

Located in Shandong, our factory is approximately 300km from Qingdao Port, enabling fast and cost-effective delivery to customers worldwide.