This standard specifies the terms and definitions, classification and labeling, technical requirements, test methods, inspection rules, and marking, packaging, transportation and storage of rigid polyurethane foam board for frozen soil subgrade (DLPU).
This standard is applicable to rigid polyurethane foam boards for road and railway subgrade in frozen soil area (hereinafter referred to as “DLPU”).
2 Normative References
The following documents for the application of this document are essential. For dated references, only the edition cited applies. For undated reference, the latest edition (including all the amendments) applies.
GB/T 2918-1998 Plastics - Standard Atmospheres for Conditioning and Testing
GB/T 6342-1996 Cellular Plastics and Rubbers - Determination of Linear Dimensions
GB/T 6343-2009 Cellular Plastics and Rubbers - Determination of Apparent Density
GB/T 8170-2008 Rules of Rounding off for Numerical Values & Expression and Judgment of Limiting Values
GB/T 8810-2005 Determination of Water Absorption of Rigid Cellular Plastics
GB/T 8811-2008 Test Method for Dimensional Stability of Rigid Cellular Plastics
GB/T 8812.1-2007 Rigid Cellular Plastics - Determination of Flexural Properties - Part 1: Basic Bending Test
GB/T 8813-2008 Rigid Cellular Plastics - Determination of Compression Properties
GB/T 10294-2008 Thermal Insulation - Determination of Steady-state Thermal Resistance and Related Properties - Guarded Hot Plate Apparatus
GB/T 10295-2008 Thermal Insulation - Determination of Steady-state Thermal Resistance and Related Properties - Heat Flow Meter Apparatus
GB 11121 Gasoline Engine Oils
GB/T 11547-2008 Plastic - Methods of Test for the Determination of the Effects of Immersion in Liquid Chemicals
GB/T 16422.3-2014 Plastics - Methods of the Exposure to Laboratory Light Sources - Part 3: Fluorescent UV Lamps
GB 17930 Gasoline for Motor Vehicles
GB 19147 Automobile Diesel Fuels
GB/T 35453-2017 The following standards are cited：
