Paste painting procedure

Purpose

This document description the application proceedures to safely apply the ED-7100 carbon paste. File:ED7100 Series paste.pdf

Requirements for safe handling

Before opening the paste please read the ED-7100 Safety Data Sheet located at

http://wiki.iac.isu.edu/index.php/File:ED7100_OSHA_MSDS.pdf

Be sure that the following are available:

Ventilation

An externally venting fume hood is recommended when working with this paste or a work area with very good ventilation.

Poor Ventilation area

Wear a well fitted NIOSH approved or industrial type canister mask.

http://www1.mscdirect.com/CGI/NNSRIT?PMPXNO=1651332&PMT4NO=0

http://www1.mscdirect.com/Disposable-Respirators-And-Masks/Respiratory-Protection/Safety/s0000002069.HTML

The following are required for applying the paste

1. Gloves,goggles.
2. suitable protection clothes.
3. sack of sand or absorber for cleaning the area.

Paste Application Procedure

a- Review the "Requirements for Safe Handling" section preceding this one before using the paste.[1]

b- Equipment And Tools

1. ED-7100 paste
2. isobutanol for cleaning,
3. CLR A/F lens blue frame revolution dust goggles
4. 27"WD 36"L vinyl clear ansell chem-resist apron
5. 35"WD 45"L neoprene Black ansell chem-resist apron
6. 8511 N90 3M particulate respirator
7. Nitrile disposal gloves

d- Application steps

1. put on mask and apron (use goggles if spraying paste using printer)
2. establish a work area under the ventilatin hood in the Laboratory for Detector Science#Add the paste to copper plate.(using a brush or a semi-mechanical printer)
3. mix paste (if reducing is needed) under the hood for sufficient ventilation
4. use applicator to smear paste on pc-board
5. Clean the paste residues using isobutanol cleaner.
6. Cure for 1 - 2h 30min. at 150 - 165 degrees Celsius.(Contact the company for IR-curing)

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