Standard No.:	SH/T 0734-2003
English Name:	Polymer modified asphalt cement for use in pavement construction
Chinese Name:	聚合物改性道路沥青
Chinese Classification:	E43    Petroleum asphalt
Professional Classification:	SH    Professional Standard - Petrochemical
Source Content Issued by:	NDRC
Issued on:	2004-1-9
Implemented on:	2004-6-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	224.0
Delivery:	via email in 1 business day

Polymer modified asphalt cement for use in pavement construction 1 Scope This standard specifies the requirements for classification, technical conditions, storage and transportation of polymer modified asphalt cement for use in pavement construction. This standard is applicable to polymer modified asphalt cement made of styrene-butadiene-styrene block copolymer (SBS), styrene butadiene rubber (SBR), ethylene-vinyl acetate copolymer (EVA) and polyethylene (PE) as modified admixture materials. For the purpose of other polymer modified asphalt cements meeting the series indexes of this standard, this standard can serve as a reference. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding any corrigendum), or Modification of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the latest editions of the standards indicated below. For undated references the latest edition of the normative document applies. GB/T 267 Petroleum products - Determination of flash and fire points - Open cup GB/T 4507 Standard test method for softening point of bitumen GB/T 4508 Standard test method for ductility of bitumen GB/T 4509 Standard test method for penetration of bitumen GB/T 5304 Asphalt thin-film oven test method GB/T 11147 Asphalt sampling method GB/T 11148 Test method for solubility of asphalt SH 0164 Petroleum and related products packaging, storage, transportation and acceptance of delivery rules SH/T 0735-2003 Standard test method for toughness and tenacity of bitumen SH/T 0736-2003 Standard test method for effect of heat and air on a moving film of asphalt (rolling thin-film oven test) SH/T 0737-2003 Standard test method for elastic recovery of bituminous materials by ductilometer SH/T 0738-2003 Standard test method for solubility of polymer-modified asphalt materials in 1 1 1-trichloroethane SH/T 0739-2003 Standard test method for viscosity determination of unfilled asphalt using the Brookfield thermose l apparatus SH/T 0740-2003 Standard test method for separation of polymer modified asphalt 3 Terms and definitions 3.1 styrene-butadiene-styrene block copolymer a thermoplastic elastomer, classified in two categories: linear (non-crosslinked) one and star class (crosslinked) one, both of which can be used for asphalt modification 3.2 styrene butadiene rubber amorphous elastomer copolymerized by butadiene and styrene and with randomly distributed links, which is elastic after vulcanization. For the purpose of this standard, it refers to raw rubber synthesized by emulsion method and not vulcanized 3.3 ethylene-vinyl acetate copolymer resin made by copolymerization of ethylene and vinyl acetate Such commonly used products are ones produced by high-pressure bulk polymerization. 3.4 polyethylene Ethylene monomer is homopolymerized under different production conditions. Low density polyethylene polymerized at high pressure is commonly used in this standard.

Foreword i Introduction ii 1 Scope 2 Normative references 3 Terms and definitions 4 Classification 5 Technical requirements 6 Packaging, marking, storage and transportation 7 Sampling Annex A (Informative) Technical differences between this standard and ASTM standards and their causes