3M 371: For heavy single wall boxes, known for its consistent hot melt adhesive, won't peel, crack or dry out, water and weather-resistant, polypropylene backing with synthetic rubber adhesive, 22 lb. tensile strength
3M 305: Acrylic adhesive, seals lightweight packages in cold, damp areas, resists temperatures from 32 Degrees to 120 Degrees F, crystal clear - resists UV rays without yellowing, 21 lb. tensile strength
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