美国RDS线棒涂布棒、刮墨棒
美国RDS线棒涂布棒、刮墨棒 成立于1936年的美国R.D.SPECIALTIES RDS公司,是全球知名的线棒涂布棒生产商,RDS线棒,RDS刮棒,绕丝线棒,主要用于涂布规定厚度的湿膜,以测定试样的遮盖力、色泽或制备样板等。采用高级不锈钢耐磨材质制造,经久耐用。非常适合涂布很薄涂层,如罐头涂料及纸张涂料的试验。用于柔软的材料如纸张﹑纸板﹑测试卡纸﹑箔纸﹑皮革﹑纺织品等效果最理想,用不同直径的不锈钢钢丝缠绕在一定直径和长度的不锈钢钢棒上,利用钢丝之间的间隙制备不同厚度的涂膜。在油墨,涂料,粘胶和各种乳液的检测中使用,用于研究,测试和质量控制RDS线棒使用原理:RDS线棒适用于卡纸、塑料薄片、皮革、纺织品等各种柔软基底表面通常不平整或有部分隆起,用一般的刮刀型涂膜器会产厚度不均的涂层。采用RDS线棒可解决这个问题。当涂膜器在基底上拖动时会将基底碾压平整。涂膜器上螺纹形成的沟槽用来产生指定厚度的膜。理论膜厚由螺纹间隙决定。涂膜器安装在一个带把手的支架上,耐腐蚀涂层厚度主要分为三种:RDS线棒理论湿膜厚度、实际湿膜厚度和干膜厚度RDS线棒理论湿膜厚度即是涂膜器刃口到涂膜平面间矩。然而,当涂膜器在基面上进行涂膜时,由于材料流动性和涂膜速度的 作用,膜层会产生一定的剪切现象,从而导致实际湿膜厚度比理认值小(一般为理论值的60~70%,经干燥后膜层体积缩涂膜棒小,干膜厚度约为实际湿膜厚度的40~50%)使用棒型RDS线棒时,如果储料宽度较用于进行涂膜的间隙(即涂膜器与基面存在间隙的部分)宽度宽涂膜层边缘部分将比原期望值增加一个无法控制的增量,进而给理论湿膜厚度带来误差。而ERICHSEN涂膜器消除了这种不精确度的根源。RDS线棒尺参数:1.湿膜厚度: 14 um2.线棒直径:3/8"(9.4mm)3.总长:16"(40cm)4.涂布宽度:12"(30cm)5.抓握部份:2 "×2"(5×5cm)RDS线棒型号选购棒号湿膜厚度(微米)棒号湿膜厚度(微米)棒号湿膜厚度(微米)37.01534.33887.049.01636.54091.5511.51841.04296.0614.02046.044100.0716.02250.046105.0818.02455.048110.0920.52659.550114.01023.02864.055126.01125.03068.560137.01227.53273.065149.01329.73478.070160.01432.03682.075171.0线尺寸湿膜厚度干涂层重量可选类型棒号英寸毫米Mils微米Solids%GSM#/3000绕线Formed双绕线Gapped20.0020.050.184.61.871.15●30.0030.080.276.92.811.73●●40.0040.100.369.13.752.30●●50.0050.130.4511.44.692.88●●60.0060.150.5413.75.623.46●●70.0070.180.6316.06.564.03●●80.0080.200.7218.37.504.61●●90.0090.230.8120.68.445.18●●100.0100.250.9022.99.375.76●●●110.0110.280.9925.110.316.34●●●120.0120.301.0827.411.256.91●●●130.0130.331.1729.712.187.49●●●140.0140.361.2632.013.128.06●●●150.0150.381.3534.314.068.64●●●160.0160.411.4436.615.009.22●●●170.0170.431.5338.915.939.79●●●180.0180.461.6241.116.8710.37●●●190.0190.481.7143.417.8110.94●●200.0200.511.8045.718.7511.52●●●210.0210.531.8948.019.6812.10●●220.0220.561.9850.320.6212.67●●●230.0230.582.0752.621.5613.25●●●240.0240.612.1654.922.4913.82●●●250.0250.642.2557.223.4314.40●●●260.0260.662.3459.424.3714.98●●●270.0270.692.4361.725.3115.55●●280.0280.712.5264.026.2416.13●●●290.0290.742.6166.327.1816.70●●300.0300.762.7068.628.1217.28●●●●310.0310.792.7970.929.0617.86●●●320.0320.812.8873.229.9918.43●●●●330.0330.842.9775.430.9319.01●●●●340.0340.863.0677.731.8719.58●●●●350.0350.893.1580.032.8020.16●●●●360.0360.913.2482.333.7420.74●●●●370.0370.943.3384.634.6821.31●●●●380.0380.973.4286.935.6221.89●●●●390.0390.993.5189.236.5522.46●●●400.0401.023.6091.437.4923.04●●●●420.0421.073.7896.039.3624.19●●●●440.0441.123.96100.641.2425.34●●●●450.0451.144.05102.942.1825.92●●●●460.0461.174.14105.243.1126.50●●●470.0471.194.23107.444.0527.07●●●480.0481.224.32109.744.9927.65●●●●490.0491.244.41112.045.9328.22●●●500.0501.274.50114.346.8628.80●●●●520.0521.324.68118.948.7429.95●●●540.0541.374.86123.450.6131.10●●●550.0551.404.95125.751.5531.68●●●●560.0561.425.04128.052.4932.26●●●580.0581.475.22132.654.3633.41●●●600.0601.525.40137.256.2434.56●●●●620.0621.575.58141.758.1135.71●●●640.0641.635.76146.359.9836.86●●●650.0651.655.85148.660.9237.44●●●●700.0701.786.30160.065.6140.32●●●●750.0751.916.75171.570.2943.20●●●●800.0802.037.20182.974.9846.08●●●850.0852.167.65194.379.6748.96●●●900.0902.298.10205.784.3551.84●●●950.0952.418.55217.289.0454.72●●●1000.1002.549.00228.693.7357.60●●1050.1052.679.45240.098.4160.48●●1100.1102.799.90251.5103.1063.36●●1150.1152.9210.35262.9107.7866.24●1200.1203.0510.80274.3112.4769.12●1250.1253.1811.25285.8117.1672.00●1300.1303.3011.70297.2121.8474.88●1350.1353.4312.15308.6126.5377.76●1400.1403.5612.60320.0131.2280.64●1450.1453.6813.05331.5135.9083.52●1500.1503.8113.50342.9140.5986.40●1550.1553.9413.95354.3145.2889.28●1600.1604.0614.40365.8149.9692.16●1650.1654.1914.85377.2154.6595.04●1750.1754.4515.75400.1164.02100.80●1850.1854.7016.65422.9173.39106.56●2000.2005.0818.00457.2187.45115.20●2250.2255.7220.25514.4210.88129.60●2500.2506.3522.50571.5234.32144.00●注:1.实际的传输速率是受涂料的流变性和其它变量2.实际传输速率可能会有所不同从一个杆型(配置)到另一个3.半钢丝的尺寸从0.0025"到0.0165"4.干涂层重量的计算假定为1.0g/cm3的涂布密度5.GSM = Grams per square Meter6.#/3000 = Lbs per 3000 square feet7.mil是长度单位,千分之一英寸,也就是1mil=0.001inch=0.0025cm=25um8.一般欧美用英式单位mils来作为油漆膜厚单位是因为mils正好符合常规漆膜的范围(1mil~10mil=25~250um),我国一般用国际标准的长度单位um微米来作为油漆膜厚单位更多请咨询上海拜普实业发展有限公司