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Property Test Method Minimum Maximum Adhesion to Concrete ASTM D 4541 Concrete Failure - Hardness ASTM D 2240 75 - Abrasion Resistance 971 - 8 . 3 . 2 Pass - 9714 .3 . 1 Set To Bear Traffic Time : The material shall set to bear traffic in not more than two minutes . 971 -8 .3 .2 Abrasion Resistance : Test four samples per LOT using a Taber Abrader. The material shall be applied to specimen plates using a drawdown blade having a clearance of 26 mils . Air dry each sample for 30 minutes and bake at 220°F for 18 hours . Clean with a soft brush and weigh each sample . Abrade samples for 1 , 000 cycles with 500 g weights and CS - 10 wheels . Clean the samples with a soft brush and weigh again . The average weight loss for the four plates shall not exceed 50 mg per plate . VI I 971 -8 .3 .3 Retroreflectivity : The white and yellow pavement markings shall attain an initial retroreflectance of not less than 450 mcd/1x • m2 and not less than 350 mcd/lx • m2 , respectively. The retroreflectance of the white and yellow pavement markings at the end of the three year service life shall not be less than 150 mcd/lx • m2 . 971 -8 .4 Application Properties : Application properties shall meet the requirements of Section 709 . 971 -8 . 5 Packaging and Labeling : The two reactive component material shall be placed in 55 gallon open- end steel drums with a re-usable multi - seal sponge gasket . No more than 50 gallons of material shall be placed in any drum to allow for expansion during transport and storage . Other containers will be used for applicable products . Each container shall designate the color, generic type (e . g. epoxy) , user information, manufacturer ' s name and address , batch number and date of manufacture . Each batch manufactured shall have a unique number. The label shall warn the user of hazards associated with handling or using the material . ` 971 -9 Thermoplastic Material for Audible and Vibratory Traffic Stripes . 971 -9 . 1 General : Upon cooling to normal pavement temperature, the thermoplastic material shall produce an adherent, reflective pavement marking capable of resisting deformation by traffic . The manufacturer shall utilize alkyd based materials only and shall have the option of formulating the material according to his own specifications . However, the requirements delineated in this Specification shall apply regardless of the P pp y re arg type of formulation used . The pigment, reflective elements , and filler shall be well dispersed in the resin . The material shall be free from all skins , dirt and foreign objects . 971 -9 .2 Composition : Component Test Method White Yellow Binder 20 . 0 % minimum 20 . 0 % minimum Ti02 , Type II Rutile ASTM D 476 10 . 0 % minimum - Reflective Elements AASHTO T 250 % minimum per % minimum per manufacturer manufacturer Yellow Pigment _ % minimum per manufacturer -232 - FPID ( S ) : 4231864 - 58 - 01 I At It IIIv S