New phosphate-free detergent—Modified Sodium Di-silicate (MDS) CAS NO.1344-09-8

Chemical name: Modified sodium disilicate

Trade name: MDS

CAS No.: 1344-09-8; 106985-35-7;11105-00-3;37299-97-1;12013-79-5

Molecular formula: Na2O·2SiO2

Technical Index:

Appearance: White powder or granule

Content of Na2O + SiO2％: 60min

Calcium ion exchange capacity (CaCO3, 35°C, 20min) mg/g:400min

Whiteness %:85min

pH:12.5max

Bulk density(g/cm3) :0.6-0.7(powder),0.3-0.6(granule)

Applications:

●Detergent auxiliary for washing powder substituting for STPP:MDS can be used to pre-proportioning for spray drying or post-proportioning for producing low-density phosphorous-free washing powder, and also can be used as base powder for producing concentrated phosphorous-free or low-phosphorous washing powder by agglomeration method. The product has good detergency ability and can be used together with 4A zeolite as binary auxiliary for producing high/low density phosphorous-free washing powder.

●Detergent auxiliary for soap substituting for STPP: MDS can chelate calcium and magnesium ions in water quickly and thoroughly, consequently improving detergency ability of products. Moreover, it also has favorable anti- re-deposition performance.

●Detergent auxiliary for textile dyeing and printing: it can be used as chelating agent for pretreatment agent as oil remover and scouring agent etc, and also can be used as favorable hydrogen peroxide bleaching stabilizer.

●Detergent auxiliary for industrial cleaning agent: MDS can be used as basic material for industrial cleaning agent such as metal cleaning agent, heavy oil dirt cleaning agent and petroleum pipeline dredging and cleaning agent etc.

●Ceramic grinding aid substituting for STPP traditional STPP and sodium metasilicate: MDS is used as grinding aid, slurry water reducing agent and glaze deflocculating agent in ceramic processing, favorable for facilitating grinding and capable of reducing ball grinding time by 3 hours and effectively removing harmful calcium ions and magnesium ions in ceramic materials.

Packing, storage & transportation:

Packing in 25kg plastic woven bag lined with plastic film inner bag. It shall be kept away from rain, moisture and direct sunlight during storage and transportation.