CJ/T 399-2012 (English Version) PDF

Scope: This standard specifies the raw materials and usage conditions, requirements, test methods, inspection rules, product identification and certificates, packaging, transportation and storage of polyurethane foam synthetic sleepers for urban rail transit (hereinafter referred to as synthetic sleepers). This standard applies to the production and inspection of polyurethane foam synthetic sleepers prepared by continuous tie rod molding process.

CJ/T 399-2012 Referenced Document

GB/T 13658 Polymethylene polyphenylene isocyanate*， 2015-12-31 Update
GB/T 1408.1 Insulating materials.Test methods for electric strength.Part 1:Test at power frequencies*， 2016-12-13 Update
GB/T 1410 Methods of test for volume resistivity and surface resistivity of solid electrical insulating materials
GB/T 1448 Fiber-reinforced plastics composites-Determination of compressive properties
GB/T 14522 Artificial weathering test method for plastics,coating and rubber materials used for machinery industrial products.Fluorescent UV lamps
GB/T 18369 Glass fiber roving*， 2022-10-14 Update
GB/T 2408 Plastics—Determination of burning characteristics—Horizontal and vertical test*， 2021-08-20 Update
GB/T 3356 Test method for flexural properties of orientational fiber reinforced polymer metrix composite materials*， 2014-07-24 Update
GB/T 6343 Cellular plastics and rubbers.Determination of apparent density