3M double sided tape is classified by material

3M double sided tape can be divided into many types according to the material classification, so the use range and method of tapes of different materials will also be different. The following is double sided adhesive tape with foam base material, double sided adhesive tape with PET base material, and double sided adhesive tape without base material. , non-woven substrate double sided adhesive and hot melt adhesive for reference:

1. The 3M double sided adhesive foam base material is suitable for the bonding of air conditioners, office furniture, and communication products. It can replace the screw fixing design and make the product more beautiful. It has softness, good adhesion, good initial tack and long-lasting tack, good solvent resistance and UV resistance, the general thickness is about 0.4-1.0MM, the short-term temperature resistance reaches 130-150°C, and the long-term temperature resistance reaches 80-93°C .

2. PET substrate double sided adhesive has good temperature resistance and relatively strong shear resistance. Generally, the long-term temperature resistance reaches 100-125°C, and the short-term temperature resistance reaches 150-200°C. The thickness is generally 0.048-0.2MM, which is suitable for Bonding of nameplates, LCDs, decorations and decorative parts.

3. No substrate 3M double sided adhesive has excellent bonding effect, can prevent falling off and has excellent waterproof performance, good processing performance and good temperature resistance. The short-term temperature resistance can reach 204-230 ° C, and the long-term temperature resistance can reach 120-145 ℃, the thickness is generally about 0.05-0.13MM, suitable for the bonding of nameplates, panels, and decorative parts.

4. Non-woven substrate 3M double sided adhesive has good viscosity and processability. Generally, the long-term temperature resistance can reach 70-80°C, and the short-term temperature resistance can reach 100-120°C. The thickness is generally about 0.08-0.15MM, suitable for Used in nameplates, lamination of plastics, automobiles, mobile phones, electrical appliances, sponges, rubber, signs, paper products, toys and other industries, assembly of home appliances and electronic instrument parts, display lenses.

How to judge the quality of 3M double sided tape

3M double sided tape is generally composed of three parts: board, adhesive, and release paper. The general double sided adhesive is mainly oil glue and water glue, and most of the 3M double sided adhesive is acrylic resin. Therefore, compared with ordinary double sided adhesive, 3M double sided adhesive is far superior in terms of viscosity, temperature resistance, and stickiness. Far more than the general double sided tape, but the price will be far more than the general double sided tape.

So how to judge the quality of 3M double sided tape in the whole process of use?

1. Check whether the 3M double sided tape has rough edges. The edge of the reel double sided tape is smooth and undamaged, which is the basis for ensuring the quality of the double sided tape. Therefore, before production, it is necessary to carefully check whether there is any burr on the cutting edge of the reel double sided tape, and whether it has appeared due to improper storage and transportation. Destroy, and roll down the roll of double sided tape 4-5 times, and carefully check the cutting edge.

2. Check whether the inner thread of the 3M double sided adhesive tape is vertical and whether the rewinding is tight or loose. If the internal threads of the reel of double sided tape are uneven, it will not only affect the registration during production, but also cause difficulty in waste discharge due to the change of film cutting position; inconsistent tightness and looseness during rewinding will lead to printing and packaging problems. Changes in paper strength and uneven bearing capacity will also cause problems in the quality of printing and packaging products.

3. Check for cracks on the 3M double sided tape. When the double sided tape is slitting, if the slitting CNC tool is not adjusted properly or the knife edge is not sharp enough, cracks will appear on the top paper or bottom paper of the double sided tape, and the synthetic fibers pulled out from the cracks will be stuck by the adhesive. . The formation of cracks may be continuous or random. It may appear on one side of the double sided tape roll, or it may appear on both sides. Therefore, before machining the double sided tape, it must be carefully Check for small cracks on the backing and face paper.

3M EVA Foam Tape Supplier And Manufacturer - AMOTT

AMOTT is a professional adhesive tape manufacturer integrating independent research and development and sales. The company has a complete scientific quality and management system. We produce all kinds of special adhesive tapes with a complete range, contact us to buy them quickly!