scope:

Foreword

This technical report was developed and published with the technical help and financial support of the members of the PPI (Plastics Pipe Institute). The members have shown their interest in quality products by assisting independent standards-making and user organizations in the development of standards, and also by developing reports on an industry-wide basis to help engineers, code officials, specifying groups, and users.

PPI's PVC range composition and all applicable policies are included in this technical report. This technical report lists of each of the ingredients that have been accepted by the Hydrostatic Stress Board (HSB) by its commercial designation as qualified for use in PPI's PVC Range Composition. Requirements for acceptance are covered by applicable PPI policy or, in cases for which there is no applicable policy, the HSB may determine these requirements through a "Special Case" consideration. The listings included in this report also show allowable use levels for each ingredient and any other applicable limitation.

This report has been prepared by PPI as a service of the industry. The information in this report is offered in good faith and believed to be accurate at the time of its preparation, but is offered without any warranty, expressed or implied, including WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Any reference to or testing of a particular proprietary product should not be construed as an endorsement by PPI, which does not endorse the proprietary products or processes of any manufacturer. Industry members in fulfilling their own compliance responsibilities offer the information in this report for consideration.

PPI assumes no responsibility for compliance with applicable laws and regulations. PPI intends to revise this technical report annually, in response to comments and suggestions from users of the report. Please send suggestions of improvements to PPI. This report, as well as other publications, is available for download from PPI on the website www.plasticpipe.org.