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DOP Plasticizer for Flexible PVC: Properties, Applications and TDS

Views: 3     Author: Site Editor     Publish Time: 2026-08-20      Origin: Site

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DOP Plasticizer for Flexible PVC: The Short Answer

DOP (dioctyl phthalate) is a general-purpose plasticizer widely used in flexible PVC compounding. For buyers and formulators evaluating a DOP plasticizer for flexible PVC, the key reference points are the technical data sheet (TDS) values: ester content 99.5, density 0.982-0.988 g/ml, flash point 195-215 °C and viscosity 70-80 mPa·s. The table below summarizes the parameters that are typically listed for this grade, together with the flexible PVC applications where it is commonly used.

What Is DOP Plasticizer?

DOP belongs to the phthalate family of plasticizers. It is an odorless, transparent oily liquid that is blended into PVC resin to improve flexibility, reduce compound hardness and make the material easier to process into finished parts.

In flexible PVC production, DOP is regarded as a general-purpose plasticizer: it offers a balanced combination of properties for many standard applications. The grade described in this article is a qualified DOP grade, which means the batch is checked against the listed specification parameters before supply.

DOP Plasticizer Technical Data (TDS)

Parameter

Typical Value

Appearance

Transparent oily liquid

Odor

Odorless

Ester Content

99.5

Acidity

0.01

Apha (Color)

20-30

Lost by Heating

≤ 0.2

Density

0.982-0.988 g/ml

Moisture

0.01

Flash Point

195-215 °C

Viscosity

70-80 mPa·s

Grade

Qualified

These are the typical values listed for this DOP grade. Actual batch values should be verified against the documentation provided by the supplier before use.

Typical Applications of DOP Plasticizer in Flexible PVC

Because DOP is a general-purpose plasticizer, it is considered across a broad range of flexible PVC products. Common application areas include:

Application fit should always be confirmed by formulation testing, since the final performance depends on the whole compound, not the plasticizer alone.

Selection and Procurement Notes

When selecting a DOP plasticizer for flexible PVC, the parameters most often checked by formulators are ester content, Apha color, acidity and moisture, because they relate to batch consistency, clarity and processing stability.

Before ordering, confirm the density range and viscosity with your supplier so the grade matches your dosing and handling equipment. DOBO New Energy supplies DOP plasticizer for flexible PVC applications and can provide the current batch TDS on request.

Frequently Asked Questions (FAQ)

What is DOP plasticizer used for in flexible PVC?

DOP is a general-purpose plasticizer used in flexible PVC compounds for products such as cables, hoses, flooring, artificial leather and sheets, where improved flexibility and processability are required.

What are the key TDS parameters for this DOP grade?

The typical parameters are ester content 99.5, acidity 0.01, Apha color 20-30, lost by heating no more than 0.2, density 0.982-0.988 g/ml, moisture 0.01, flash point 195-215 °C and viscosity 70-80 mPa·s.

What does this DOP grade look like?

It is an odorless, transparent oily liquid.

What is the density and viscosity of DOP plasticizer?

For this grade, density is 0.982-0.988 g/ml and viscosity is 70-80 mPa·s.

What is the flash point of DOP plasticizer?

The flash point of this grade is 195-215 °C.

What does “qualified” mean on the DOP TDS?

It means the batch has been checked against the listed specification parameters and meets the stated values.

Conclusion

DOP remains a practical, widely used choice for many flexible PVC applications because it combines general-purpose plasticizing performance with broad availability. For a specific formulation, the typical TDS values in this article are a useful starting point, but the final recipe should always be verified by your technical team.

If you are evaluating a DOP plasticizer for flexible PVC, contact DOBO New Energy to request the current batch TDS and discuss your application.