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"All statements, technical information and recommendations contained herein are based on tests we believe to be reliable, but the accuracy or completeness thereof is not guaranteed. The results reported herein are based solely on the limited sample provided to us for testing under laboratory conditions and are NOT intended to be representative of typical product performances. 3M shall not be liable in tort or in contract for any injury, loss or damage, direct, indirect, special or consequential, arising out of the use of or the inability to use the product. Before using, user shall determine the suitability of the product for user's intended use, and user assumes all risks and liability whatsoever in connection therewith."

Product:

Trizact (TM) 3M 237AA, 3M 307EA and 3M 407EA

Grades Available: A6, A16, A30, A45, A65, A80 and A100 for 237AA and 307EA A60, A90 and A110 for 407EA Standard Splices: Butt Standard Flexes: No Flex, Optional Flexes - Single & Ful-flex

Maximum Width: 16" (expanded to 26" in fourth quarter, 1997)) Converted Forms: Belts and Rolls Shown below are specific details on a number of suggested areas for woodworking sanding operations where there have been successful testing of Trizact (TM) abrasive belts. These are places to start your focus for initial testing of these superb belts in woodworking accounts: MOULD SANDING Test in any area requiring some flexibility. 1200 SFPM if possible. PROFILE EDGE SANDING Test on any application requiring flexibility around dead heads, small diameter contact wheels or edge type sanders. 1500 SFPM maximum speed if possible. EVEN RUN BANDS

At 12,000 RPM, the even-run band cuts well on pine, but need to run at the 3,500 RPM for cherry. The same is true when cutting or sanding endgrain. SHEETS Small hand sanding blocks used in the finishing operations of the plant where the major emphasis is on finish. PUMP SLEEVES Run at 500-to-700 RPMs with light touch on most wood. End-grains are extremely easy to burn, so extra care must to taken in this area. Most hard woods burn easily on this operation. STROKE STANDING 1500 SFPM maximum speed if possible. SPINDLE SANDING: (Nash type machines) 500-to-700 rotation RPM for the workpieces Use standard abrasives for cutting while using Trizact (TM) for finishing. UV CURE COATING (with cross belt sanding) Test 237AA as the first choice in finer grades. TOP COAT RUBBING (using 237AA sheets) Requires less cutting fluid for operations. Better on harder and thicker lacquers. The higher the belt or disc speed, the better. Start with lowest pressure that provides the desired finish. Preferred grades are A45 and A30 for UV-hard lacquers. Finish equals or is slightly better than the equivalent Wetordry (TM) TriM-Ite (TM) products. Cut is lower then traditional 401Q products. Expect to obtain superior results from those applications running hard or soft wood species in final white-wood sanding operations. The key for these operations are to focus mainly on the finish. There appears to be no restriction on which wood species the product has been successful against. Here is just a partial list for your review:

- alder - MDF - particleboard

- cherry - mahogany - maple - oak - pine - solid glued tops - veneer tops

Customers to consider: Furniture manufacturers, woodworking professionals and cabinet shops. Anyone requiring a high-grade finish performance should be able to use these belts. Product Description: Product features and benefits that distinguish 3M TRIZACT Abrasive belts: Applies to markets where the unique advantages of micro-replication can be utilized to its fullest. Longer life while resisting tendencies to load. Reduced cost due to less changeovers and set-ups. Capability to change the flex with no adverse effect on the life (in some cases, the flex change may actually extend life because of the opening up of the structures). No wild scratches which will provide for a more consistent, higher quality finish. No curling of product edges because of high humidity. Abrasive loading is minimized so the belt continues to cut cleanly and efficiently. Can be used in either the white-wood or finished-wood phase of the operations with success. The 3M 237AA, 307EA or 407EA TRIZACT (TM) Abrasive Cloth belts are hot new additions to a great line of high performing abrasives. Application Details: Some basic information and parameters concerning the use of Trizact (TM) Abrasives products versus traditional woodworking products when running the product: Slow surface feet per minute (SFPM) will assist in the prevention of burning on the workpiece. In most cases, look at 1000-1500 SFPM for stroke sanders and edge sander type machines. For pump sleeves, look to run in the 700-750 RPM range. This will provide the best finish without burnishing the wood.

A negative concerning the slower speeds will result in less stock removal capabilities. But the positive will be the improved and higher quality finish. For those operations with no ability to change the SFPM, attempt to run at slower feed belt speeds (less then ½ of the existing feed speed if possible) to obtain a better finish and belt life. Focus mainly on the finishing operations versus cutting. The belt provides a very consistent and fine finish without the requirement of removing major amounts of material. At higher belt speeds (1500 SFPM & higher), the Trizact (TM) product does cut better, but starts running into burning issues. Ultimately, operators will need a secondary operation to remove any burning or burnish marks left by the fast SFPM. The lighter the pressure on the workpiece the better chance of obtaining an acceptable finish without burning the workpiece. This is especially true at the higher SFPM. Tied with the pressure, is the area of surface contact. The smaller the area of contact on the workpiece, the lighter the pressure must be. This is especially true when working around edges with many layers of end grains exposed. Flat pieces have a better chance of coming off the belt with a cleaner surface versus narrow pieces which burn easily. Belt & splice wear appears to be of little concern. Loading of the belt has been minimal. If a belt appears to be loaded, just blowing off the belts appears to correct the issue and clean the belt. On occasion, reports have only the very tip of the structure sanding the workpieces. In these cases, it is recommended that by dressing the belt, you can remove the resin from the very tip of the pyramid thereby exposing the mineral particles which would provide for better cutting surfaces and a provide for longer belt life. This appears to work quite well for soft woods versus hard woods which have the capability to break the peaks naturally. Dressing the belt may also be used to refresh the cut if burning starts to occur. (Dressing the belts may be accomplished by

applying an abrasive surface against the belt to "dull" the belt to prevent the initial sharp cut.) If the finish is done properly, the workpiece will accept stain quite well. Do not judge by grade. Try the fine grits since the topography does most of the cutting. A break-in time might be needed in the finer grades (A65 and finer) to obtain a better cut rate.

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