Reclosable Fastener SJ3000 Thin Hook and Loop Back-to-Back Product Information September, 2010 Product Description 3M Reclosable Fastener SJ3000 is a thin back-to-back fastener that offers closure alternatives to plastic wire, tape, string, rubber bands and other types of closure systems used to secure bundles of items. Reclosable Fastener SJ3000 offers design flexibility, fast product assembly and improved product performance in many applications. One side of the thin fastener strip is covered with tiny translucent polypropylene hooks, approximately 1400 per square inch (220/sq. cm.). These hooks can engage with thousands of soft, pliable, thin polyester loops on the reverse side providing for a limited number of openings and closings (cycles). The thin loop is designed to easily engage with reclosable fastener SJ3000 hook and possibly other small hooks. The hook may also engage with many other loop materials. This forms a quick fastening attachment system. Simply pull the strips apart to disengage. Note: The following information is not product release requirements, nor product specification Product Construction limits. Rather, this data represents typical performance using standard test methods. This is intended for use as a guide to assist in selection of 3M Reclosable Fasteners for further evaluation. Customer specifications should not be based solely on the data presented in this document. It is recommended that the customer test the product under expected use conditions in the desired application to determine actual suitability and performance. Fastener Product 3M Reclosable Fastener SJ3000 Material of Construction Hook Polypropylene Loop Polyester Adhesive None Standard Colors Red, Black, White Thickness - unmated 0.027 (0.69 mm) - engaged 0.061 (1.55 mm) 2 2 2 2 Weight oz/in (g/cm ) 0.005 oz/in (0.021 g/cm ) Thickness was measured using a 0.5 diameter pressure foot supporting a 34 gram weight. Actual thickness will decrease when a load is applied or the product is compressed and will increase if a load is removed. 3M Reclosable Fastener SJ3000 Thin Hook and Loop Back to Back Typical Performance Unless stated, typical system performance characteristics were measured under controlled laboratory Properties and conditions of 72F 5F (22C 2.7C) and 50% 10% relative humidity. The user should evaluate Characteristics products in the actual application to ensure suitable performance for the intended use. Fastener Product 3M Reclosable Fastener SJ3000 Performance tests are determined by measuring the performance of the entire reclosable fastener when the hook on one side is engaged to the loop on the other side of the fastener. 2 2 CLOSURE SHEAR (Rigid to Rigid Substrates) Pounds /inch (Newtons/cm ) F Dynamic Shear (1/2 x 1 overlap) 31 (21.6) 2 2 Static Shear Holding Strength Holds 1.1 /in (77.5 grams/cm ) for indicated time and temperature 100F (38C)/100% R.H. 10,000 minutes 120F (49C) 10,000 minutes 158F (70C) 10,000 minutes 200F (93C) 10,000 minutes PEEL at 12 inches (305mm) per minute Pounds /inch width F T Peel Force (Flexible to Flexible) 2.2 90 Peel Force (Flexible to Rigid) - Average 3.0 CLOSURE CYCLE LIFE 15 Cycle life is the number of cycles (openings and closings) that the fastener is subjected to while maintaining 50% or greater of the 2nd closure peel values. Initial peels are slightly higher SHELF LIFE Twenty four months from date of manufacturing when stored in original packaging at 70F 10F (21C 5.5C) and 50% 10% relative humidity. Note: Long Term Static Load: Conditions such as temperature variations, engagement area, closure pressure and vibrations or side to side movement after engagement or exposure to prolonged periods of moisture, ultraviolet or other environmental factors can affect the closure strength and long term static load performance. Reclosable fasteners may slip or creep in the direction of the static load forces when subjected to static loads at temperatures or weights greater than indicated. The user is responsible for designing the amount of fastening area based upon the specific conditions for the application. Four square inches of fastening area per pound (57.3 sq. cm/kilogram) of static load is suggested as a starting point for such evaluations. Chemical Resistance: The polypropylene hook and polyester loop resist incidental attack Additional Performance by most common solvents and alkaline solutions. Acid solutions may cause deterioration Characteristics of the loop. Small amounts of oils, mold release agents would not be expected to cause performance issues when in contact with 3M Reclosable Fastener SJ3000, except for the possible difficulty in starting a wrap. Plasticizer Resistance: The polypropylene hook and polyester loop should have good resistance to direct contact with most plasticized materials. Flammability Resistance: Reclosable Fastener SJ3000 will not pass common flammability tests when tested unattached to an substrate. If you need reclosable fasteners to meet many of the standard flammability tests (such as FAR 25.853, FMVSS-302), you may want to consider using 3M Reclosable Fasteners SJ3418FR/19FR, SJ3518FR/19FR and SJ3486FR/87FR. Water (Humidity) Resistance: Closure strength should be minimally affected by high humidity conditions. - 2 -