3.the main repair steps

 

　　(1)Pick out the mortar or other sundries in the original Dali hundred cracks,with a depth of 3-5 mm.If it is hemp stone,the width of the cracks should be increased to about 10 mm;If it is marble,the original seam can be cleaned.

 

　　(2)with a small hammer to crack the color and pattern of marble,if the size of the granule is similar to the size of the granite is appropriate,if it is monochromatic stone,smashed into powder.

 

　　(3)take an appropriate amount of transparent marble glue and broken marble particles or powder stir evenly,add an appropriate amount of drier,stir evenly,evenly spread the mixture of stir evenly in the crack mouth,coated after the crack mouth to slightly higher than the original marble surface 0.5 mm is appropriate,then dry.

 

　　(4)the Angle of surface polishing machine installation resin sand,dry grinding crack mouth slightly flat,then install resin sand,220 pieces of fine grinding,and then with 360 waterproof abrasive paper fine grinding and right amount water,slightly until after 800,water sand,will clean up metope and ground water damage or stain,reoccupy angular polishing machine installation cloth round of polishing and waxing polishing,after waiting for appear luster to continue polishing,until with the original marble luster.Then dip in a small amount of polishing wax with steel wool,hand polishing,until the luster is completely the same as the original marble.At this point,the cracks are not visible.

 

　　(5)If there is a pattern in the monochrome stone,the pattern is just at the crack,in addition to mixing powder with glue,also apply color powder to match the color with the pattern,embedded in the seam.