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Product Overview
DOP High-Efficiency General-Purpose Plasticizer
CAS NO:117-81-7
Dioctyl phthalate (DOP) is a general-purpose primary plasticizer with high plasticizing efficiency, good compatibility, and excellent resistance to high and low temperatures, low volatility, and electrical insulation stability. It is widely applicable to PVC films, artificial leather, wires and cables, and various soft plastic products, effectively optimizing processing flow and imparting excellent flexibility and durability to finished products. It is the preferred plasticizer solution for those seeking high cost-effectiveness and high reliability.

Product Parameters

Chemical name Dioctyl phthalate(DOP)
Type Plastic Auxiliary Agents, plasticizer
Delivery form Oily liquid
Color index Transparent
CAS No. 117-81-7
Appearance transparent, oily liquid without visible impurities
Chroma / (Pt-Co)# ≤ 30
Purity % ≥ 99.5
Flash point (open)℃ ≥ 196
Density (ρ20)g/cm³ 0.982-0.988
Acid value (KOH mg/g) % ≤ 0.01
Moisture % ≤ 0.1
Volume resistivity 10⁹ Ω·m ≥ 1.0
Sales packing 200KG/ iron drum,1000KG/IBC tank, 23tons/Flexitank /20GP.
Storage Stored in a cool, ventilated warehouse, away from fire, heat. with oxidants, acids stored separately, avoid mixed reservoir. Equipped with the appropriate variety and quantity of fire equipment. Storage area should be equipped with emergency response equipment and appropriate shelter materials. Shelf life 12 months.

Features

High efficiency in plasticizing

It has high plasticizing efficiency and produces a product with good softness.

Strong compatibility

It has excellent compatibility with PVC resin and can be used in combination with a variety of plasticizers.

Good processing stability

It has strong process adaptability, which helps to maintain stable processing performance.

Wide range of applicable scenarios

Suitable for PVC pellets, standard wires and cables, hoses, and soft PVC products such as shoe soles.

High cost performance

Suitable for mass production of ordinary soft PVC products.

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Frequently Asked Questions

DOP is a general-purpose PVC plasticizer with high plasticizing efficiency, good processing flowability, fast molding speed, and a balanced combination of flexibility and cold resistance. It is also cost-effective and reliably available, making it suitable for most standard flexible PVC formulations.

DOP offers lower cost, faster plasticization, and easier processing, while DINP provides better stability in high-temperature resistance, aging resistance, migration resistance, and low fogging, making it more suitable for long-term use or demanding applications.

DOP is mainly used in common flexible PVC products, including wires and cables, films, artificial leather, hoses, seal strips, shoe soles, sheaths, and agricultural films. It is suitable for general-purpose applications requiring cost efficiency, easy processing, and basic flexibility.

Yes. DOP is often blended with DINP, ESBO, DBP and other plasticizers to balance cost, hardness, and certain heat and weather resistance properties for different PVC formulations.

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