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.
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.
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。