Dioctyl Adipate (DOA) is a typical, highly efficient, primary cold-resistant plasticizer with excellent low-temperature flexibility, good heat stability, and superior resistance to weathering and UV light. It is predominantly used with PVC and its copolymers to impart outstanding low-temperature pliability while maintaining mechanical strength and permanence even at -40°C and below.
DOA is widely recognized as one of the most effective plasticizers for achieving flexibility in extreme cold environments and is approved for certain food-contact and medical applications

 

Technical Specifications

ITEMS SPECIFICATIONS
Appearance transparent oily liquid
content ≥99.5%
Chroma (Pt-Co) ≤20
Density (20°C), g/cm³ 0.924~0.929
Acid value mgKOH/g 0.07
Moisture ≤0.1%
Flash point ≥190°C

 

Packaging and Storage

  • Net weight 200kg steel drum, 16MT/FCL with pallets
  • Store in cool place. Keep container tightly closed in a dry and well-ventilated place

 

Main Advantages of Dioctyl Adipate (DOA)

  • Exceptional low-temperature flexibility
  • Very low volatility and excellent migration resistance
  • Superior light and heat stability
  • Good electrical properties
  • Compatible with PVC, polyvinyl acetate, polystyrene, nitrocellulose, and most synthetic rubbers
  • Low viscosity enables easier processing and faster fusion

 

Primary Applications of Dioctyl Adipate (DOA)

Cold-resistant PVC cables and wire insulation (automotive, marine, outdoor)
PVC food cling film and food packaging (FDA/EU approved grades)
Artificial leather, tarpaulins, and roofing membranes
Medical tubing and blood bags
Low-temperature flexible hoses and seals
Vinyl flooring and wall coverings
Plastisols and organosols requiring low viscosity

 

Frequently Asked Questions (FAQs)

What is the main difference between DOA and DOP/DEHP?
DOA provides significantly better low-temperature performance (-60°C vs ~ -30°C for DOP) and lower volatility, making it the preferred choice for outdoor and cold-climate applications. DOA is also considered a safer, non-phthalate alternative in many regions.

Is DOA considered a phthalate-free?
Yes. DOA is an adipate ester, not a phthalate ester, and is widely accepted as a non-phthalate plasticizer.

Can DOA be used in food-contact PVC film?
Yes. Food-grade DOA meets FDA 21 CFR 178.3740 and EU 10/2011 requirements when produced under proper conditions.

Is DOA compatible with nitrile rubber (NBR)?
Yes, DOA is one of the few plasticizers fully compatible with NBR and is commonly used in low-temperature NBR seals and gaskets.

 

Where can I buy high-quality Dioctyl Adipate (DOA)?

You can contact us via email [email protected] for offers and bulk orders.