Fiberglass Yarn Water Blocking FEATURES OF WATER BLOCKING FIBERGLASS STRENGTH MEMBER - Primarily used as strength member for optical fiber cables. - Extremely flexible due to the low level of impregnation. - High mechanical strength suitable for dry cable. - Perfect performance of anti-rodent. -Excellent water swellable properties. Water Blocking Fiberglass Yarn Strength Member Property UnitTest methodSpecificationsGY600WGY785WGY1200WGY1800WGY2400WLinear densityTexASTM D1907600±10%785±10%1200±10%1800±10%2400±10%Break strengthNASTM D885≥350≥400≥600≥900≥1245LASE @ 0.5%NASTM D885≥90≥95≥170≥240≥294LASE @ 1%NASTM D885≥170≥195≥340≥480≥598Youngs modulusGPa≥70≥70≥70≥70≥72.5Elongation at break%ASTM D885≤2.5≤2.5≤2.5≤2.53.0-4.0Water absorption%≥200≥200≥200≥200≥200Width x Thickness(Approx.)mmCalipers2.0x0.32.5x0.34.0x0.35.0x0.34.4 6.4 x0.25 0.45ColorEyeballingwhitewhitewhitewhitewhite Flexible Fiberglass Yarn Strength Member Property UnitTest methodSpecificationsGY600FGY785FGY1200FGY1800FLinear densityTexASTM D1907600±10%785±10%1200±10%1800±10%Break strengthNASTM D885≥400≥450≥600≥900LASE @ 0.5%NASTM D885≥90≥95≥170≥240LASE @ 1%NASTM D885≥170≥195≥340≥480Youngs modulusGPa≥70≥70≥70≥70Elongation at break%ASTM D885≤2.5≤2.5≤2.5≤2.5Width x Thickness(Approx.)mmCalipers2.0x0.32.5x0.34.0x0.35.0 x0.3ColorEyeballingwhitewhitewhitewhite