Catalogue RTM Spartan PLC User Manual
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SAFETY
85 John Street
New York, New York 10038
Local codes and authorities also have standards to be followed in the operation of your spraying marine equipment. You I insurance carrier will be helpful in answering questions that arise in your development of safe procedures.
Operating Your Spartan Resin Transfer Molding System Safely
Introduction
Any tool, if used improperly, can be dangerous. Safety is ultimately the responsibility of those using the tool. In like manner, safe operation of polyester processes is the responsibility of those who use such processes and those who operate the equipment. This manual outlines procedures to be followed in conducting RTM operations safely.
All personnel involved in RTM operations should read and understand this manual, it is most important that equipment operators, maintenance and supervisory personnel understand the requirements for safe operation.
This manual cannot answer every circumstance; each user should examine his own operation, develop his own safety program and be assured that his equipment operators follow correct procedures. Glas-Craft hopes that this manual is helpful to the user and recommends that the precautions in this manual be included in any such program.
In addition to the manual, Glas-Craft recommends that
the user consult the regulations established under the
Occupational Safety & Health Act (OSHA), particularly
the following sections:
1910.94 Pertaining to ventilation.
1910.106 Pertaining to flammable liquids.
Other standards and recognized authorities to consult are the national Fire Protection Association (NFPA) bulletins as follows:
NFPA No. 33 Chapter 14, Organic Peroxides and Dual
Component Materials
NFPA No. 63 Dust Explosion Prevention
NFPA No. 70 National Electrical Code
NFPA No. 77 Static Electricity
NFPA No. 91 Blower and Exhaust System
NFPA No. 654 Plastics Industry Dust Hazards
Copies of the above bulletins are available, at a nominal
charge from:
National Fire Protection Association 470 Atlantic Avenue Boston, MA 02210
Research Report No. 11 of the American Insurance Association deals with "Fire, Explosion and Health Hazards of Organic Peroxides". It is published by American Insurance Association
Associated With Laminating
Hazards Operatio
The major hazards which should be guarded against in polyester laminating operations are those associated
with:
1. The flammability and explosion dangers of the catalyst normally used (consult manufacturer's Safety Data sheets).
2. The flammability dangers of clean-up solvents sometimes used, and of resin diluents used, such as styrene.
3. The flammability dangers of catalyst diluents, if used.
4. The flammability dangers of the uncured liquid resins used.
5. The combustibility dangers of the cured laminate, accumulations of overspray, and laminate sandings.
6. The toxicity dangers of all the chemicals used in RTM operations with respect to ingestion, inhalation and skin and eye hazards.
Catalyst (Methyl Ethyl Ketone Peroxide)
MEKP is among the more hazardous materials found in commercial channels. The safe handling of the "unstable (reactive)" chemicals presents a definite challenge to the plastics industry, the highly reactive property which makes MEKP valuable to the plastics industry in producing the curing reaction of polyester resins also produces the hazards which require great care and caution in its storage, transportation, handling, processing and disposal.
MEKP is not a single chemical. Various polymeric forms may exist which are more or less hazardous with respect to each other. These differences may arise not only from different molecular structures (all are, nevertheless, called "MEKP") and from possible trace impurities left from the manufacture of the chemicals, but may also arise by contamination of the MEKP with other materials in its storage or use. Even a small amount of contamination with acetone, for instance, may produce an extremely shock-sensitive and explosive compound.
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