优级胎面再生胶 Reclaimed Rubber(NR-104)
1.概述 INTRODUCTION
    优级胎面再生胶是选用载重汽车、工程汽车的外胎原料制成的，该产品性能均达到国家优级标准规定。产品外观为黑色均匀块状物、无异物、无明显颗粒，能大量掺用在汽车、摩托车外胎的制造中。
    The reclaimed rubber is made by tire crown of trucks. The performance of this product is object to the national standard.Its appearance is black blocky piece without impurits or granulars.It can be added to the material of tire making.

2.规格 SPECIFICATION
    胶粉目数：40目以上 Partical size of rubber powder:above 40 mesh

    成品为黑色长方体块状物，每块20公斤，定型冷却后，每块68x36x9（厘米），精炼出片厚度不超过0.35毫米。
    The finished product is cuboid block.Each piece is 20 kgs.After cooling,the appearance is fixed to 68x36x9(cm).While refining,the thickness of the rubber piece is no more than 0.3mm.

    包装：塑料薄膜袋。
    Packing: poly bags

3.主要性能指标 PERFORMANCE SPECIFICATION

项目 Item 单位 Unit 结果 Index 检查方法 Examine Method 外观 Appearance 无异物 No Impurit 目视 Eye Observation 水分 Water Content % ≤1.20 GB/T13460-03 灰分 Ash % ≤15.0 GB/T13460-92 丙酮抽提物 Acetone Etract % ≤20.0 GB/T13460-03 扯断强度 Tensilestrength Mpa ≥8.0 GB/T13460-03 扯断伸长率 Elongation % % ≥300 GB/T13460-03 门尼粘度ML1+4 Mooney ML100℃1+4 40-70 GB/T1232