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Polyvinyl chlorides is high molecular compounds polymerized with structural element as CH2-CHCLn,degree of polymerization usually as 590-1500.In the process of re-polymerization ,affected by kinds of factors such as the polymerization process, reaction conditions, reactant composition, additives etc.it can produce eight different types of PVC resin performance is different. <img alt="PVC K67-Xinfa, Zhongtai, Junzheng Tianye Sinopec Erdos Brand PVC/Hot Sale High Quality Pipe Grade PVC Sg3 Sg5 Sg8" srcid="5000892185" width="750px" src="https://image.made-in-china.com/226f3j00UtQkmyFChEbr/PVC-K67-Xinfa-Zhongtai-Junzheng-Tianye-Sinopec-Erdos-Brand-PVC-Hot-Sale-High-Quality-Pipe-Grade-PVC-Sg3-Sg5-Sg8.webp" data-original="//image.made-in-china.com/226f3j00UtQkmyFChEbr/PVC-K67-Xinfa-Zhongtai-Junzheng-Tianye-Sinopec-Erdos-Brand-PVC-Hot-Sale-High-Quality-Pipe-Grade-PVC-Sg3-Sg5-Sg8.webp" style="box-sizing: border-box; border: 0px; max-width: 100%; display: block;"/>Product Parameters <table width="1029" style="width: 375px;"><tbody style="box-sizing: border-box;"><tr style="box-sizing: border-box;" class="firstRow"><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">Items</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">SG3</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">SG5</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">SG7</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">SG8</td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">K value</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">72-71</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">68-66</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">62-60</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">59-55</td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">Viscosity Number (ml/g)</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">135-127</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">118-107</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">95-87</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">86-73</td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">Average degree of polymerization</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">1370-1251</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">1135-981</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">845-741</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">740-650</td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">Number of impurity substance</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤16</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤16</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤20</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤20</td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">Mass fraction of volatiles (including water)</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤0.30  </td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤0.40  </td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤0.40</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤0.40  </td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">Appearance density</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≥0.45</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≥0.48</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≥0.50</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≥0.50</td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">Number of "fish eye"  </td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤20</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤20</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤30</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤30</td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">Whiteness(160ºC,10min)%</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≥78</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≥75</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≥75</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≥75</td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">VCM residue</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤5</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤5</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤5</td><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">≤5</td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">Packing</td><td colspan="4" style="box-sizing: border-box; margin: 0px; padding: 2px 5px; border-color: rgb(204, 204, 204); text-align: left;">25kgs two layers draft paper bag or 1000kgs PP bag</td></tr></tbody></table> Package 25kgs, 40kgs,50kgs/PP or customized <img srcid="5000892205" src="https://image.made-in-china.com/226f3j00pEtkJaFdaQcz/PVC-K67-Xinfa-Zhongtai-Junzheng-Tianye-Sinopec-Erdos-Brand-PVC-Hot-Sale-High-Quality-Pipe-Grade-PVC-Sg3-Sg5-Sg8.webp" data-original="//image.made-in-china.com/226f3j00pEtkJaFdaQcz/PVC-K67-Xinfa-Zhongtai-Junzheng-Tianye-Sinopec-Erdos-Brand-PVC-Hot-Sale-High-Quality-Pipe-Grade-PVC-Sg3-Sg5-Sg8.webp" alt="PVC K67-Xinfa, Zhongtai, Junzheng Tianye Sinopec Erdos Brand PVC/Hot Sale High Quality Pipe Grade PVC Sg3 Sg5 Sg8" width="750px" style="box-sizing: border-box; border: 0px; max-width: 100%; display: block;"/> Application SG-1 is used in producing high-grade electrical insulating material  SG-2 is used in producing electrical insulating material, common soft products and film  SG-3 is used in producing electrical insulating materials, agricultural film, daily-use plastic products,  SG-4 is used in producing membranelle for industrial and civil use, tube and pipes  SG-5 is used in producing transparent products section bar, hard tube and decorative materials  SG-6 is used in producing clear foil, hard board and welding rod  SG-7, SG-8 is used in producing clear foil, hard injection molding.

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