Subject 1821B

Bulletin Dated: May 6, 2016

SUMMARY OF TOPICS

The following topics were discussed at the online meeting of the Standards Technical Panel for Evaluating Compatibility of Products with CPVC Piping, STP 1821B:

1. Discuss report provided by IPEX, Inc.

2. Continued discussion of ASTM D543 test method

Subject 1821B

Bulletin Dated: March 31, 2016

SUMMARY OF TOPICS

The following topics will be discussed at the online meeting of the Standards Technical Panel for Evaluating Compatibility of Products with CPVC Piping, STP 1821B:

1. Continued discussion of ASTM D543 test method

Subject 2732 (1821B)

Bulletin Dated: February 4, 2016

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Evaluating Compatibility of Products with CPVC Piping, STP 1821B:

1. Update from Task Group 2, Acceptance Requirement and Exposure Procedure Methods

2. Planned next steps and discussion of other options

3. NFPA 13 requirement of compatibility testing for Corrosion Inhibitors and Biocides

Subject 2732 (1821B)

Bulletin Dated: May 21, 2014

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Evaluating Compatibility of Products with CPVC Piping:

1. UL 1821B - Update on Laboratories

2. UL 1821B - Plan for future activities

Subject 2732 (1821B)

Bulletin Dated: February 26, 2014

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Evaluating Compatibility of Products with CPVC Piping:

1. UL 1821B - Update on CPVC material

2. UL 1821B - Update on Laboratories

3. UL 1821B - Plan for future activities

Subject 1821B

Bulletin Dated: December 19, 2013

Summary of Topics

This bulletin announces the availability of the Outline of Investigation for Antifreeze Solutions for Use in Fire Sprinkler Systems, UL 2901

Subject 2732 (1821B)

Bulletin Dated: December 10, 2013

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Evaluating Compatibility of Products with CPVC Piping:

1. UL 1821B - Update on CPVC material

2. UL 1821B - Update on manufactures to provide CPVC material

3. UL 1821B - Update from George Laverick and TG3 on minimum strength and environmental stress test

4. UL 1821B - Plan for future activities

Subject 2732 (1821B)

Bulletin Dated: October 31, 2013

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Evaluating Compatibility of Products with CPVC Piping:

1. UL 1821B - Update on revised draft of Round-Robin Testing Protocol

2. UL 1821B - Discuss specific stress levels

3. UL 1821 B - Update from TG2 regarding Test Specimens

4. Ideas for any other activities which could be going on simultaneously with TG2 activity.

Subject 2732 (1821B)

Bulletin Dated: August 15, 2013

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Compatibility of Products with CPVC Piping:

1. Update from TG2 Chair regarding ASTM and sample tensile bars

2. Input requested by Task Group 2

3. Discuss comments received on TG 2 draft

4. Ideas for any other activities which could be going on simultaneously with TG 2 activity

Subject 2732 (1821B)

Bulletin Dated: March 8, 2013

SUMMARY OF TOPICS

The following topics were discussed at the online meeting of the Standards Technical Panel for Compatibility of Products with CPVC Piping:

1. Update from Task Group 2

2. What should be the next steps