PVC | BIOCIDES
under the BPR programme, which were isothia- zolinone alternatives.” These isothiazolinone alternatives include DCOIT and OIT. Kim says Troy continues to supply OBPA in all
Above: PVC product makers need to
understand the regulatory landscape in the region they will be
supplying
opinion that is submitted to the European Commis- sion to make a decision. It is a lengthy and costly process and many
biocides, including OBPA, were not included in the BPR Review Programme. OBPA was previously widely used across the European PVC industry. “Although OBPA registrants participated in the BPD, OBPA suppliers did not participate in the BPR Review Program for their individual commercial reasons,” says Kim. “Since the BPR took effect in 2013, the PVC market in the EU predominately replaced OBPA to what was available at that time
other regions and adds that the company is assessing the viability of OBPA in the EU BPR Review Programme, saying that many PVC proces- sors and multi-nationals with plants in the EU would like to be able to use the low cost OBPA chemistry “due to its superior efficacy against fungi and bacteria, including some of the most treatment- resistant organisms (for example pink staining bacteria) in marine conditions.” The impact of the BPR extends beyond the EU,
according to Clegg. He says Valtris sees moves away from OBPA in parts of the world where PVC product makers and suppliers need to supply the European market. “When it comes to efficacy, both DCOIT and OIT are comparable to OBPA,” he says. “OIT and DCOIT have become the preferred option when searching for an alternative to OBPA.”
Labelling limits Kim says that while direct regulation of biocides (what can and cannot be placed on the market)
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