... has an open construction to permit penetration by cement mortar. ZHONGCAI AR FIBERGLASS MAT is an engineered AR-stem designed for ... mixes on site; Mix-design. Such as self-leveling compounds.ZHONGCAI AR FIBERGLASS MAT has a high elastic modulus and tensile ... dissolves with water further, assists incorporation into a cement matrix.ZHONGCAI AR FIBERGLASS MAT may be used as a positioned reinforcement ...