Siraf Plast Co.

Here, we have provided answers to frequently asked questions from our valued customers.

If you cannot find the answer to your question, please contact Siraf Plast’s technical consultants through our Contact Us page.

Siraf Plast

A masterbatch is a compound of a base polymer, pigment, or additive produced in granular form, used to color polymers or enhance their physical properties.

A masterbatch is typically used to add color or additives, whereas a compound is a complete, ready-to-use mixture with specific mechanical, physical, or thermal properties, requiring no additional materials during production.

Yes, we can produce a colored masterbatch with any desired color code. Color matching and sampling are conducted before mass production.

Our bases include PE, PP, ABS, PS, and other commonly used polymers in the industry. For each application, a masterbatch tailored to your polymer base is produced.

Depending on the type of masterbatch (color or additive) and your application, the typical usage rate varies between 1% and 5% by weight. Our technical team can guide you in selecting the appropriate dosage.

Yes, we produce masterbatches such as UV-resistant, antibacterial, antistatic, slip, anti-block, and more, based on customer requirements.

Our compounds are suitable for applications such as automotive parts, household appliances, injection-molded components, pipe manufacturing, footwear, packaging films, and more.

Yes, samples are sent prior to mass production to evaluate quality and ensure compatibility with customer requirements.

Yes, all our products are manufactured under strict quality control and are provided with laboratory test results.

Delivery time depends on the type and volume of the order, but we strive to produce and deliver in the shortest possible time. The usual timeframe is between 3 to 7 business days.