What types of plasticizers does Ascent Chemicals manufacture?

Ascent Chemicals manufactures specialty ester-based plasticizers including SierraPlas DM (Diethylhexyl Maleate) and SierraPlas OO (Octyl Oleate). These plasticizers are designed for coatings, adhesives, sealants, elastomers, personal care, and rubber compounding applications.

Are Ascent Chemicals plasticizers phthalate-free?

Yes, our SierraPlas plasticizers are ester-based and phthalate-free, making them suitable for applications with regulatory requirements around phthalate content.

What applications are your plasticizers used for?

Our plasticizers are used in paints and coatings, adhesives, sealants, personal care and cosmetics, hair care, skin care, rubber and tire compounding, metalworking fluids, and lubricants.

Where are Ascent Chemicals plasticizers manufactured?

All Ascent Chemicals plasticizers are manufactured in the United States at our ISO 9001:2015 certified facilities in South Carolina, Tennessee, and Virginia.

Can I request samples of your plasticizers?

Yes, you can request samples of SierraPlas DM (Diethylhexyl Maleate) and SierraPlas OO (Octyl Oleate), or any of our specialty chemicals directly through our website.

Specialty Plasticizers Manufacturer & Supplier

Specialty Plasticizers for Coatings, Adhesives, Sealants & Elastomers

Ascent Chemicals is a leading US-based manufacturer and supplier of specialty ester-based plasticizers designed for demanding industrial applications. Our plasticizers enhance flexibility, processability, and film performance in coatings, adhesives, sealants, elastomers (CASE), and select polymer systems.

With over 80 years of specialty chemical manufacturing experience and three domestic ISO 9001:2015 certified facilities, we deliver reliable compatibility, consistent viscosity behavior, and stable performance across diverse formulations.

Our SierraPlas product line includes phthalate-free ester options that meet evolving regulatory requirements while delivering the performance your formulations demand. Whether you need plasticizers for paints and coatings, personal care products, rubber compounding, or metalworking fluids, Ascent Chemicals provides the technical expertise and domestic manufacturing capabilities to support your production needs.

Ascent Chemical’s Other portfolio covers specialty esters for HI&I, personal care, cosmetics and rubber. It includes straight ester solvents for low-odor degreasing, fast wetting, and quick drying, and plasticizers for flexible, durable films in floor finishes, sealants, and adhesives. Formulators can tune chain length and structure for solvency and evaporation rate, keep foam low, and maintain clear, stable blends. Phthalate and non-phthalate options support regulatory targets.
- Ascent Chemicals' Plasticizers are specialty esters that soften and enhance polymer flexability. Common in paints and coatings, adhesives, rubber, personal care and cosmetics. They can also act as an emollient and mold release aid.
  - SierraPlas DM
    Diethylhexyl Maleate
  - SierraPlas OO
    Octyl Oleate
Ascent Chemicals’ Specialty Esters portfolio covers fatty acid esters for personal care, cosmetics, metalworking, rubber, plastics and industrial fluids. It includes alkyl, glycerol and polyol esters that serve as emollients, lubricants, plasticizers, emulsifiers and process aids. Because the fatty acid and alcohol set performance, formulators can match viscosity, skin feel, low-temperature flexibility and stability to the application, with liquid and solid grades to suit different processes.
- Ascent Chemicals’ Alkyl Esters are light, low-volatility liquids that work as emollients, plasticizers and lubricants. Use them for fast-spreading, non-greasy feel in skin and hair care, low-temperature flexibility in polar rubbers like polychloroprene, and lubricity in metalworking fluids and printing inks. Choose saturated grades for color and oxidative stability, or unsaturated grades that stay fluid in the cold.
  - SierraEster OP
    2-Ethylhexyl Palmitate
  - SierraEster BO
    Butyl Oleate
  - SierraEster BS
    Butyl Stearate
  - SierraEster TS
    Tridecyl Stearate
- Ascent Chemicals’ Glycerol Esters are emulsifiers and thickeners that build stable, smooth-textured creams, lotions and hair care products. They also serve as surfactants in plastic films, herbicides and adhesives. Choose the stearate flake for body and structure, or the oleate grade, which is liquid when warm, for easier blending.
  - SierraEster GS
    Glyceryl Stearate
  - SierraEster GM
    Glyceryl Monooleate
  - SierraEster PT
    Pentaerythritol Tristearate
- Ascent Chemicals’ Polyol Esters deliver lubrication and thermal stability where conditions are demanding. Use them in hydraulic fluids, greases, rolling oils, metalworking fluids and textile fiber lubricants, and as lubricant, stabilizer and mold-release aids in PVC and plastics processing. Select grades also thicken personal care formulations.
  - SierraEster TM
    Trimethylolpropane Monomerate

Why Choose Ascent Chemicals as Your Plasticizer Supplier

✓ US-Based Manufacturing – Three domestic facilities in SC, TN, and VA ensure reliable supply and shorter lead times

✓ ISO 9001:2015 Certified – Rigorous quality management across all production operations

✓ 80+ Years Experience – Deep expertise in esterification chemistry and specialty chemical manufacturing

✓ Phthalate-Free Options – Ester-based plasticizers that meet evolving regulatory requirements

✓ Technical Support – Formulation assistance and lab-scale development to optimize your applications

✓ Flexible Production – From pilot scale to full commercial manufacturing

FAQs about Plasticizers

SierraPlas DM (Diethylhexyl Maleate) is primarily used as a co-monomer and plasticizer for adhesives and coatings. SierraPlas OO (Octyl Oleate) functions as a lubricant, mold release aid, and plasticizer, making it ideal for rubber compounding, metalworking fluids, and personal care applications.

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