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This specification covers four types of polychlorotrifluoroethylene extruded plastic sheet and film: Type I - a transparent film with high and low moisture vapor transmission rate; Type II - a dimensionally stable transparent sheet and film with low moisture vapor transmission rate; Type III - a dimensionally stable transparent film with very low moisture vapor transmission rate; and Type IV - a low crystalline transparent film with high ductility and extremely low moisture vapor transmission rate. The specimens shall be manufactured from polychlorotrifluoroethylene plastics that consist of at least 90% chlorotrifluoethylene and 10% chemical modification such as co-monomers but not colorants, fillers, plasticizers, or mechanical blends of other resins. Tests shall be conducted to determine the specific property values of the specimen which shall conform to the tensile strength, elongation, dimensional stability or shrinkage, and moisture vapor transmission rate requirements.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers extruded sheet and film in thicknesses from 0.015 to 0.25 mm (0.0006 to 0.01 in.).
1.2 The values stated in SI units shall be regarded as the standard.
1.3 The following precautionary statement pertains only to the test methods portion, Section 9 of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D618 Practice for Conditioning Plastics for Testing
D882 Test Method for Tensile Properties of Thin Plastic Sheeting
D883 Terminology Relating to Plastics
D1204 Test Method for Linear Dimensional Changes of Nonrigid Thermoplastic Sheeting or Film at Elevated Temperature
D1430 Classification System for Polychlorotrifluoroethylene (PCTFE) Plastics
D1600 Terminology for Abbreviated Terms Relating to Plastics
D3892 Practice for Packaging/Packing of Plastics
F1249 Test Method for Water Vapor Transmission Rate Through Plastic Film and Sheeting Using a Modulated Infrared Sensor
ICS Number Code 83.140.10 (Films and sheets)
UNSPSC Code 13111206(Flouropolymer films)