Formolon 685

Producer

Formosa Plastics Corporation, U.S.A.

Polymer

PVC

Type

Suspension resin

K-value

70

Producer lists it for

Flexible extrusion · Wire and cable · Blown film

What that means in practice

K70 flexible grade listed for wire and cable as well as extrusion and blown film. Cable work is where plasticiser uptake and consistency matter most, so batch documentation is worth asking for on this one.

If K-values are not something you work with daily, our PVC grades and pricing guide explains what the number is measuring and how rigid, flexible, resin, compound and regrind differ.

What to check before buying Formolon 685

• High-K grades are bought for plasticiser uptake, so ask about porosity and how consistently the batch absorbs.
• If the end use is wire, cable or anything food-contact, the approval documentation matters more than the K-value.
• Ask for a batch certificate of analysis rather than the generic datasheet — at this end of the range the batch is what you are buying.

Buying or selling this?

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