Standard No.:	GB/T 10802-2023
English Name:	General flexible polyurethane cellular plastics
Chinese Name:	通用软质聚氨酯泡沫塑料
Chinese Classification:	G32    Synthetic resin and plastic
Professional Classification:	GB    National Standard
Issued by:	SAMR; SAC
Issued on:	2023-9-7
Implemented on:	2024-4-1
Status:	valid
Superseding:	GB/T 10802-2006 General flexible polyether polyurethane cellular plastics
Language:	English
File Format:	PDF
Word Count:	7500 words
Price(USD):	240.0
Delivery:	via email in 1~3 business day

General flexible polyurethane cellular plastics 1 Scope This document specifies the classification, grading, requirements, inspection rules as well as marking, packaging, transportation and storage of general flexible polyurethane cellular plastics, and provides corresponding test methods. This document is applicable to flexible polyurethane cellular plastics in sheet, strip, block or cut shape. This document does not apply to slow-resilience flexible polyurethane cellular plastics, high-resilience flexible polyurethane cellular plastics and thermoplastic flexible polyurethane cellular plastics. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 2918-2018 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 6344-2008 Flexible cellular polymeric materials - Determination of tensile strength and elongation at break GB/T 6669-2008 Flexible cellular polymeric materials - Determination of compression set GB/T 6670-2008 Flexible cellular polymeric materials - Determination of resilience by ball rebound GB/T 9345.1-2008 Plastics - Determination of ash - Part 1: General methods GB/T 9640-2008 Flexible and rigid cellular polymeric materials - Accelerated aging tests GB/T 10807-2006 Flexible cellular polymeric materials - Determination of hardness (indentation technique) GB/T 10808-2006 Flexible cellular polymeric materials - Determination of tear strength QB/T 2819-2006 Flexible cellular materials determination of long time fatigue QC/T 850-2011 Polyurethane foam for seating of passenger car 3 Classification General flexible polyurethane cellular plastics products are divided into five categories according to application fields: X, V, S, A and L, and their application types are shown in Table 1. Table 1 Categories and purpose types Category Purpose types X Extremely severe V Very severe S Severe A General L Minor See Annex A for categories and recommended application fields. 4 Grading General flexible polyurethane cellular plastics are classified according to 40% indentation hardness, as shown in Table 2.

Foreword i 1 Scope 2 Normative references 3 Classification 4 Grading 5 Requirements 6 Test methods 7 Inspection rules 8 Marking, packaging, transportation and storage Annex D (Informative) Categories and recommended application fields.