Standard No.:	GB/T 3780.18-2007
English Name:	Carbon black - Part 18：Standard test methods for evaluation in Natural Rubber(NR)
Chinese Name:	炭黑 第18部分：在天然橡胶（NR）中的鉴定方法
Chinese Classification:	G49    Carbon black
Professional Classification:	GB    National Standard
ICS Classification:	83.040.20 83.040.20    Rubber compounding ingredients 83.040.20
Source Content Issued by:	AQSIQ; SAC
Issued on:	2007-12-13
Implemented on:	2008-7-1
Status:	superseded
Superseded by:	GB/T 3780.18-2017 Carbon black-Part 18:Standard test methods for evaluation in Natural Rubber(NR)
Superseded on:	2018-5-1
Superseding:	GB/T 3780.18-1998 Carbon black in natural rubber--Recipe and evaluation method
Target Language:	English
File Format:	PDF
Word Count:	5000 words
Translation Price(USD):	120.0
Delivery:	via email in 1 business day

1 Scope This Part specifies the rubber ingredients, test formulation, sizing material mixing procedure and test methods for evaluating the physical and mechanical properties of carbon black in natural rubber. This Part is applicable to the evaluation of various kinds of Carbon black for use in rubber products. 2 Normative References The following normative documents contain provisions which, through reference in this Part of GB/T 3780, constitute provisions of this standard. For dated reference, subsequent amendments (excluding corrected content) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this Part are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative document referred to applies.

1 Scope 2 Normative References 3 Standard Test Formulation 4 Sampling and Sample Preparation 5 Mixing Procedures 6 Preparation and Testing of Vulcanizing Test Pieces 7 Precision 8 Test Report Appendix A (Informative) The Comparison of Chapter and Article Numbers oaf This Part and ASTM D 3192: 2005