Precautions (please learn intently earlier than use): 1: Resin glue curing velocity is related to quantity length and temperature, the thicker the adhesive layer, the speedier the curing, the higher the temperature, the speedier the curing.Therefore, the extra mixing, the shorter the operating time, the bigger the scale of the seal will be, the slower the reverse. 2: Resin and curing agent reaction will be hot, the thicker the glue layer will produce extra heat, warmth meeting has bubbles produced, so the matching glue to be used quickly, brush skinny will solidify slowly. 3: A,B two groups must be strictly proportional weighing, B components too much or too little will affect the performance of the curing; A, B two components mixed, must stir evenly, stirring uneven will trigger part of the curing, a part of the non-curing condition. If you're a beginner, please use an digital scale to simply confirm the ratio of A glue to B glue. 4: Glue in the curing process, curing agent will suck tide, when the air humidity is large, after curing the surface can have a layer of oily feeling, so the curing process to maintain dry, do not solidify in the humidity of the environment, when the oil is produced, you can dry the surface, and then sandpaper grinding. 5: When the temperature is low, the A section could have crystallization phenomenon, equivalent to the manufacturing of granular rubber slag or permanently frozen, when the use of a glue can be heated, the temperature might be open, after the opening can be used normally, doesn't impression the performance. 6: Use is careful to not contact the skin, touch with the skin sometimes there'll be allergic phenomenon produced! Please wear disposable gloves throughout the DIY crafts making process. Epoxy Resin List Procuct Model TC110 TC130 HL210 HL310 HL521 Casting thickness(one time) <1cm <1cm 2-4cm 5-7cm 10-18cm Mix Ratio 1:1 by way of quantity 2:1 by means of weight 2:1 by means of weight 3:1 via weight 2:1 by volume Working Time 60-80min 7h 60-100min 60-100min 3-4h Gel Time 5mm Thick 3-4h 2cm thick 3-4h 2cm Thick 3-4h 2cm Thick 7-10h Cure Time(indoor temperature 25℃) 24-48h 60℃ 3-4h 24-48h 24-48h 48-72h Mixed viscosity(25℃/cp) 1500-2000 600-900 600-1000 300-600 500-1000