Standard No.:	GB/T 8289-2001
English Name:	Natural rubber latex concentrate--Centrifuged or creamed, ammonia-preserved types--Specification
Chinese Name:	浓缩天然胶乳 氨保存离心或膏化胶乳 规格
Chinese Classification:	B72    Forestry chemical raw material
Professional Classification:	GB    National Standard
ICS Classification:	83.040.10 83.040.10    Latex and raw rubber 83.040.10
Source Content Issued by:	CBTS
Issued on:	2001-07-20
Implemented on:	2001-12-1
Status:	superseded
Superseded by:	GB/T 8289-2008 Natural rubber latex concentrate - Centrifuged or creamed ammonia-preserved types - Specification
Superseded on:	2008-11-1
Superseding:	GB/T 8289-1987 Natural rubber latex concentrate--Centrifuged ammonia preserved type--Specification
Target Language:	English
File Format:	PDF
Word Count:	2500 words
Translation Price(USD):	260.0
Delivery:	via email in 1~3 business day

本标准规定了全部或部分用氨保存的离心法和膏化法生产的浓缩天然胶乳的规格。本标准包括下列各类离心和膏化浓缩天然胶乳的技术要求:高氨浓缩天然胶乳，浓缩后只用氨保存的离心浓缩胶乳，碱度(按胶乳计)至少为0.6%(m/m)；低氨浓缩天然胶乳，浓缩后用氨和其他保存剂保存的离心浓缩胶乳，碱度(按胶乳计)不超过0.29%(m/m)；中氨浓缩天然胶乳，浓缩后用氨和其他保存剂保存的离心浓缩胶乳，碱度(按胶乳计)至少为0.3%(m/m)。高氨膏化脓缩天然胶乳，浓缩后只用氨保存的膏化浓缩胶乳，碱度(按胶乳计)至少为0.55%(m/m)。低氨膏化浓缩天然胶乳，浓缩后用氨和其他保存剂保存的膏化浓缩胶乳，碱度(按胶乳)，不超过0.35%(m/m)。本标准适用于巴西橡胶树胶乳生产的浓缩天然胶乳。