First, the product description: "build kit" pre-gelatinized starch is a natural starch as raw material, through improvements made. Have many important properties, comprising: thickening solution; good water solubility; suspension or stability with glue; protective colloid action; film-forming property; water retention; adhesive properties; non-toxic, tasteless, biocompatibility; touch degeneration. In the construction industry (insulation mortar, putty powder, tile adhesive, building mortar, etc.) can improve the performance of the construction, while production costs are reduced by about 10 to 20%. 1. good rapid thickening capacity; have some water retention; 2. the amount of small, low added amount that can achieve high results; 3. To improve the ability of anti-falling material; 4. improve the operating performance of the material make the operation more smooth; extend the opening hours of material 5. Second, the technical indicators: Item Index Appearance white powder, a water-soluble paste group, has good toughness pasting sticky performance can swell into a deep translucent paste in cold water Viscosity ≥300-2500mpa.s (2% aqueous solution) PH value of 7 (2% aqueous solution) fineness of 80 Ash ≤0.4 three application areas: high-viscosity pre-gelatinized starch-based products can be used as cement, gypsum-based products admixtures. Admixture with other buildings have good compatibility. And hydroxypropyl methyl cellulose ethers used in conjunction, can play a thickening effect, promoting the internal structure has better crack resistance, improve workability, can significantly reduce the amount of hydroxypropyl methylcellulose added. High viscosity pre-gelatinized starch in the building materials industry has its wide range of uses, the amount is large, can be used as a retarder, insurance agent, thickener and binder. In ordinary dry mortar, exterior insulation mortar, self-leveling mortar, dry adhesive plaster, tile adhesive dry mortar, high-performance buildings putty, interior wall putty crack, waterproof dry mortar, plaster, scratch padding agent , thin seams and other materials play an important role in water retention of mortar systems, robustness, and construction of retarding have an important role. Fourth, the reference formulation interior wall putty powder formulations Flying powder 1: 1000 kg 2 pre-gelatinized starch: 5 kg 3 CMC: 8-10 kg 1, the goods in proportion to join excipients and additives, dry mix evenly, construction add cold water when mixing can be used. The above parameters are for reference only, in order to secure the construction materials should be based on local circumstances, we must first rigorous feasibility test, in order to achieve the best results. 2. If reconcile after a good, if found not open scratch in the construction, should reduce the amount of pre-gelatinized starch added. On the contrary, it should increase the amount of CMC added. If reconcile well after construction hold together tightly, because uneven mixing. Fourth, packaging, transport and storage of packaging: paper-plastic bag lined with plastic film bag, net weight 25kg. Transportation: Available all kinds of transport vehicles, keep dry, and with the rain, waterproof, anti-moisture facility; not toxic, harmful, abnormal odor mix other goods; prohibited rain, water quality and other pollution contamination. Storage: Store in a dry, ventilated, cool place. Storage period: one year.