PET Protective film adhesive - Phone Screen Protective Film Adhesive
PET Protective film adhesive - Phone Screen Protective Film Adhesive
PET Protective film adhesive

Product Specification:
Model No. : KL-2620ABCD
Minimum Order Quantity :   100KGS
Lead Time:7-10 Days
Payment Terms:   T/T, Western Union, Paypal
Package:   20KGS /Barrel
Tel: +0086-138 -2374 -7978
Fax: 0086-755-81478372
E-mail: export@klbsilicone.com

Silicone Adhesive For cellphone screen covers KL-2620A/B/C/D


Product Details


KL-2620A/B/C/D is four components compound. Heat and fast cured type of silicone adhesive,no primer needed.Good flowing capability before cured ,The cured silicone adhesive has a good adhesion to stick with PET base material and improving the surface Stripping Resistance. After cured,has good adhesion strength, excellent exhaust,high transparency, no adhesive residue, high temperature resistance, high humidity, can directly replace the same level products of Dow Corning and KCC products.


The silicone adhesives are characterized by good leveling property, electrical insulating property, and high grade of transparency and easy to clean with water. Mainly applied to the computer display screen, mobile phone screen protector, PET touch screen film series.Can be coated to PET film by lamination machine.



touch screen


Product Advantage



No foggies on PET film

No fog , No white dots , super clean

High grade transparency ,Light transmission rate 94%,Screen effect is vivid

The eyes don't feel sleepy when long tem exposure to PET screens  

Liquid silicone


                                            Customised peeling (force) adhesion

                                                                             Adjustable peeling strength at 0~ 1200g , spare from primering base 

                                                                             Precise concoction of peeling adhesion

                                                                             Low peeling adhesion easy peel , high absorbing properties

                                                                            Customised Peel adhesion PSA Silicone Adhesive

Zero silicone transfer

No adhesive residue ,Zero silicone transfer in full weather

No adhesive remains 

PET Protective Film Adhesive



                                                 Double 85 tests 

                                                                                      Peel adhesion don't grow heavier in high temperature & High humidity condition  

                                                                                      Products quality more stable ,easy rework , no adhesive remains ,weather resistance

                                                                                      The supplier for Apple , Huawei

                                                                                       77



 Product Specifications


Appearance And Component:


2620A:Transparent colloid containing platinum catalyst. 

2620B:Transparent silica gel

2620C:Tackifier(Increase the adhesion between PET film and silicone adhesive)

2620 D:pressure sensitive adhesive (increase D component ratio can increase the silicone surface stripping force)


Viscosity: <50000mpa.s

Solid Content: 60% 

Curing Condition: TC10:19S*150℃

                         TC90:42S*150℃

Stored Condition: Room temperature

Light transmission:  94%

Refractive index (sodium yellow light wavelength 5893 10 ^ - 10 meters)  : 1.48

Storage : Stored at room temperature for 6 months without mixing.



Processing


(For example, coated 10 microns stripping force 3g/25 mm)

1. Solid content 24% ,mixing uniformity with solvent by a ratio of A:B:C:D :Solvent =100:100:10:40:560

Solid content 35% ,mixing uniformity with solvent by a ratio of A:B:C:D :Solvent =100:100:10:40:300

2. Taking material according to proportion, first mix B material and C and solvent evenly, and then mixed with A material evenly for about 20 minutes.

3. Defoaming treatment with vacuum by requirements. Coating uniformity of silicone adhesive on the silicone or PET film surface by coating method.

4. Testing at laboratory baking for 2~3 minutes at 150℃.



For producing Baking temperature depend on coating thickness. Ranging from 90℃ to 160℃. For 10μm takes about 50~60 seconds.


Attention

1,The application ratio should be adjusted appropriate to different materials, the thickness of coating and weather conditions (temperature and humidness).The application ratio should better increase 5%~10% based raw ratio at hot and humid conditions. 

2, Cleaning base materials and keep it dry, free of dust and oil.

3, Solvent requirement : mixed solvent is needed , Toluene :ethyl ketone=1:1, Or Xylene :ethyl acetate :cyclohexanone=80:15:5 

4, Controlling and checking the viscosity during the coating process. Pay attention to the quantity for once and make it deeply cured.

5, Keep in a good and suitable condition for coating. The working shop should be dust-free at 25 ~35℃ and humidity controlled in 15 ~ 60%. 

Much over dust will cause NG products, Low over temperature will cause bad leveling property and adhesion strength, Large over humidity will cause shrinkage

cavity of film. Low over humidity will cause potential safety hazard and whity by static.

6, The mixed silicone adhesive should be used up within 1 hour, if high viscosity happens, stop coating at once.

7,The work shop should be ventilated and workers should wear labor protection tools during the coating process. Away from open flame, high temperature and pay attention to static electricity.

8, Please read the product safety instructions before using.


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