We Serve

In addition to supplying the rubber and plastics industries with a variety of additives, we also offer a specialized selection of additives for specific markets within rubber and plastics. We have managed this while creating an infrastructure for quality manufacturing, a dependable supply chain, and timely distribution with a focus on providing value to our customers.

Products & Services

For the PVC Industry

Seacon has a strong presence in the PVC industry as a manufacturer and supplier of formulated, customized chemical blowing agent powders and masterbatch mini-pellets. We also provide contract manufacturing services to blend PVC compounds, PVC masterbatch, and pre-blended minor additives into IBCs. We also offer PVC grinding and recycling services. All this work is performed at our factory in Charlotte, NC.

Exothermic & Endothermic
Blowing Agents

Rigid PVC

  • Unifoam AZ MC-25TZ
  • Unifoam AZ MC-25SO5
  • Unifoam AZ MC-25EV30
  • Unifoam AZ MC-25EM15
  • Unifoam AZ MC-25SO4

Soft Vinyl

  • Unifoam AZ MC-40SLE
  • Unifoam AZ MC-40SCE


  • NDBC
  • CDBC

  • Ca-Zn

Contract manufacturing

  • Gentle, homogeneous blending of PVC compounds and PVC masterbatch
  • Weighing and blending of minor additives into IBCs
    The weighing and blending of additives into one IBC gives a more precise and consistent loading of minor ingredients in automated material handling systems with pneumatic conveying.

PVC Grinding and Recycling

  • Contract shredding & pulverizing of “in process” PVC scrap for re-use
  • Purchase PVC scrap, shred and pulverize, and offer to the market as recycled PVC

Products & Services

EPDM Weatherstrip Industry

Seacon has a strong presence in the EPDM weatherstrip industry as a manufacturer and supplier of filtered dispersions of chemical blowing agents, accelerators, and other curatives as well as calcium oxide batch inclusion bags. We also offer multi-ingredient blends weighed into low melting PE batch inclusion bags.


Products: Rubber chemicals & Chemical Blowing Agents

Activity Levels: 70, 75, and 80%

Product Forms: Slabs, Pastes & 6mm pellets

Filtration: 40-100 mesh. Finer mesh filtration can be studied.

Color Coding: Color coding available to reduce human error during weighing

Binder Systems: EPR + EVA + Oil

Mooney Viscosity: 25-45 @ 50°C

Blended Pre-Weighs

  • High intensity blending of multiple ingredients with optional liquid addition
  • Bag-in-a-bag option to isolate ingredients
  • Certified using a generic EPDM weatherstrip recipe. Rheometer curves and the ML, MH, Ts2, and Tc90 are reported on the COA for each batch blended.
  • A checkweigher weighs each bag, records all bag weights, and the statistics with Cp + Cpk are reported on the COA.
blue and gold quotation icon
“Seacon has blended tons of product for us this year and you have done a great job of managing it all.”

“Thank you so much, you have no idea how helpful it is when they say to jump and we actually can! You guys rock!”


“Seacon is a great vendor to work with from the quality of the product to the great customer service they offer.”


How can we help you?

Contact Seacon today for more information about our services or to request a quote, sample, or documentation.