GQ-208 compound early strength antifreeze is an antifreeze from a variety of organic and inorganic composite materials, with early strength, with gas, less water, antifreeze and other functions, to make cement in negative temperature conditions hydration reaction to proceed, thereby increasing the compressive, tensile and flexural strength and impermeability, frost resistance of concrete, concrete project winter essential additive. Homogeneity ◎ Specifications: ◆ Appearance: gray powder is powder polycarboxylate liquor formula, liquid brown peg colors. ◆ powder Solid content ≥92%, liquid solid content ≥40 ± 0.2%. ◆ fineness: 0.315mm sieve ≤10%. ◆ paste fluidity ≥120mm. ◆ PH value: 7-9. ◎ The main technical performance: ◆ dosage is 3-5% by weight of cementitious materials, water-reducing rate of 8-15%. ◆ incorporated into this product, concrete bleeding rate ratio <75% solids ≥2.0%. ◆ compressive strength in the following table: ◆ incorporation of the agent, the concrete workability is improved, mobility, plasticity, water retention improved significantly, to facilitate construction. ◆ incorporation of the agent, can improve the durability of concrete, 50 freeze-thaw strength loss rate <90%, 90 days shrinkage ratio <120%. Synthesis of starting material (1) allyl alcohol polyoxyethylene ethers (APEG), the chemical formula: CH2 = CHCH20 (CH2CH20) n H). (2) ammonium persulfate (AI'S), formula (NI-I4) 2S208 polylactic acid liquor synthesis, molecular weight 228.2 Properties: white crystal, there is some oxidation. (3) potassium persulfate polylactic acid liquor suppliers K2S208, molecular weight 270, an inorganic compound, a white crystalline, odorless, deliquescence, combustion, irritating. (4) Maleic anhydride suppliers CHCOOCOCH; molecular weight poly-carboxylic acid liquor 98 in Wuhan, colorless needles. (5) allyl sulfonate (SAS), a molecular weight of 144; the structural formula: CH2 = CH-CH2 an SO3Na; white solid powder. (6) sodium methacrylate (SMAS), industrial products, Molecular Structure: CH2C (CH3) CH2SO3Na, a molecular weight of 158, a white flaky crystal. (7) of methacrylic acid (MAA), AR, colorless liquid, molecular formula: C4H60, the molecular weight of 86, the freezing point ≥12.5'C. (8) acrylic acid (from), molecular formula: C3H4O2, molecular weight 72, content ≥99.0%, colorless liquid with a pungent odor. Polylactic acid liquor factory, Loudi City-acid liquor, high-strength high-strength building materials provided by the Building Materials Co., Linyi. Linyi high-strength building materials Limited (www.lygqjc.cn) strong, credible, concrete and Shandong Linyi products and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead high-strength construction materials into the brilliant and you work for a better future!