| Iterms | Standards |
| Na2S%: | 50-60 % min |
| Na2CO3%: | 2-3.5 % max |
| Fe%: | 0.001-0.3 % max |
| Water insoluble%: | 0.05-0.2 % max |
| Na2S2O3 | 2.5% max |
| Na2SO3 | 1% max |
New Tiger Co., Ltd.
1) Can we print our logo on the product ?