China Bleached Wheat Straw Pulp for Making Molded Package, Find details and Price about China Wheat Straw Pulp, Bleached from Bleached Wheat Straw Pulp for Making Molded Package
Wheat straw pulp is a kind of straw pulp which is made from glass by caustic soda process, sulfate process and chlorination process. It generally contains more hemi-cellulose and is easy to beating and sizing. The fiber length and water filtration of wheat straw pulp are great. The paper made from wheat straw pulp is strong and its transparency is good as well. Generally, wheat straw pulp can be mixed with other pulps to make cultural paper while the unbleached one can be used to make packaging paper and paperboard.
Industrial Grade Bleached Wheat Straw Pulp Typical Technical Index
Item | Unit | Regulation | Test Method | |
Brightness(Whiteness) | % | ≥77 | GB/T8940.2 andGB/T7974 | |
Dirt Content | 0.3-1.0mm²Dirt | pc/500g | ≤80 | GB/T10740-1989 |
1.0-5.0mm²Dirt | pc/500g | ≤5pc | ||
Above 5.0mm² Dirt | pc/500g | NULL | ||
Beating Degree | °SR | 23-28 | GB/T3332-2004 | |
Moisture | % | 12± | GB/T8944.1 | |
Sheet Size | mm | 600*800+ | GB/T1548 |
Brightness | min. 80% (ISO 2470)(STN ISO 3688) |
Sheet size | 600mm x 800mm± |
Dirt content | max.20(0.3-5.0mm²) |
Breaking Length | 4.5km |
Average Length of Fiber | 0.95mm± |
pH(10% suspension) | 7.0-7.5 |
Moisture | max. 12% |
Sulfate ashes(800°+/-25ºC) | max. 2% |
Mykotoxins: | |
Aflatoxin B1 max. 2 ug/kg Aflatoxin B1 /B2/G1/G2:total sum max. 4 ug/kg Desoxynivalenol(DON) max. 750 ug/kg Ochtratoxin A max. 3 ug/kg Zearalenon max. 75 ug/kg | |
Heavy Metals: | |
Lead(Pb) max. 0.2 mg/kg Cadmium(Cd) max. 0.1 mg/kg Organochlorous-Pesticides: o,p-DDD / o,p-DDE / o-p-DDT p,p-DDD / p,p-DDE / p-p-DDT:total sum max. 0.05mg/kg | |
Microbiological examinations: | |
Aerobic micro-organisms max. 1x10³ CFU/g Yeasts max. 1x10² CFU/g Moulds max. 1x10² CFU/g Enterobacteriaaceae max. 1x10 CFU/g Escheria choli negative in 1g Staphylococci, coagulase-positive negative in 1g Bacillus cereus max. 1x10² CFU/g Chlostridium spp., sulfite reducing max. 1x10 CFU/g Salmonella spp. negative in 25g Paper-weight 650g/m² ± |
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