低蛋白天然胶乳浓缩物.规范

[中文适用范围]： 本文件规定了低蛋白质含量天然橡胶乳胶浓缩物[低蛋白天然橡胶（LPNR）乳胶]的规范，如下： ——LPNR乳胶：田间乳胶或用脱蛋白剂预处理的浓缩乳胶，仅用氨浓缩后离心保存，相对于胶乳计算的碱度至少为0.6%的质量分数。 本文件适用于医用橡胶制品，避免过敏的可能性。 本文件涵盖了 HA 型 LPNR 乳胶（高氨）和 LA 型 LPNR 乳胶（低氨）的要求。 [外文原描述]： This document provides specifications for natural rubber latex concentrate which has low protein content [low protein natural rubber (LPNR) latex], as follows: — LPNR latex: field latex or concentrated latex pretreated with deproteinising agent, centrifuged and preserved after concentration with ammonia only, with an alkalinity of at least a mass fraction of 0,6 % calculated with respect to the latex. This document is applicable to medical rubber products and avoids the possibility of allergies. This document covers requirements for LPNR latex, type HA (high ammonia), and LPNR latex, type LA (low ammonia).