BASTONE Plasticizers Enhance the performance of your products

BASTONE produces plasticizers, additives, and supplies PVC resins.

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Bastone, solid commitment to high-quality and sustainable supply.

Via our business platform “Zhejiang Bastone Technology Co., Ltd. We are delivering our products and also our values ” Solid commitment to high quality and sustainable supply” to our partners.


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Shore A hardness testing on PVC compound with calcium carbonate filler to verify DOP dosage adjustment
How Calcium Carbonate Filler Affects DOP Dosage in PVC

“I bumped the CaCO3 from 20 to 40 phr and the compound came out stiff as a board — same DOP level that worked fine before.” I hear versions of this from formulators every month. The filler ate their plasticizer, and the missing piece was always the same: how much extra DOP to add back.…

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