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Current:Home >News >Industry news >Suitable for mobile phone screens, flexible circuit boards, film switches, touch sensitive film keyboards, film switches, conductive silver paste
先进院(深圳)科技有限公司

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Industry news

Suitable for mobile phone screens, flexible circuit boards, film switches, touch sensitive film keyboards, film switches, conductive silver paste

Time:2022-05-17Number:1373

This product is a product that usesultrafine silver powderDielectric conductivity, low resistance, low-temperature curing type, used for screen printingConductive silver pasteIt has excellent printability, good bending performance, and strong adhesion. Suitable for mobile phone screens, flexible circuit boards, membrane switches, touch sensitive membrane keyboards, etc.

Physical characteristics:


Appearance

Silver gray paste like substance

Viscosity (rotary viscometer, # 6, 20rpm, 25 ℃)

4-6 Pa.S

Odor

slight

Fineness (μ m)

< 5

Coating area (cm2/g) (depending on film thickness)

100-200


Performance characteristics after curing:

Resistance (Ω) Dry film thickness 5 μ m ± 1 μ m

<0.5Ω

Hardness (Chinese pencil)

≥3H

Adhesion (3M800 tape adhered for 60 seconds at a 135 degree angle of 10cm/s)

No peel off

Heat resistant cycle: -40 ℃ to 85 ℃, 6 times, impedance remains unchanged

导电银浆

Instructions and guidance for use:

1. Substrate: It can be used on PET, PC, glass and other sheets, especially suitable for PET substrate;

2. Mixing: thoroughly mix before use;

3. Dilution: This product can be used after stirring evenly. It is recommended not to add diluent. If dilution is required, a specialized diluent should be used. It is recommended to dilute it by less than 3% of the weight of the silver paste, and then stir it evenly again after dilution. If the diluent added exceeds the above standards, the product quality and performance are not guaranteed;

4. Printed products can be used on PET and other sheets, and the film thickness and final resistance after curing are affected by many related factors, such as board size, tension, adhesive hardness, angle and speed, photosensitive paste thickness, etc.


Recommended process:

Thickness: film thickness of 4-5 μ m;

Wire mesh: 200-300 mesh stainless steel wire mesh or polyester wire mesh printing;

Printing:silver pasteBefore use, it needs to be thoroughly stirred and allowed to stand for 5-10 minutes before printing

Pre drying: IR drying oven at 140-145 ℃ for 2 minutes;

Curing: Oven at 140-145 ℃ for 30 minutes.

导电银浆

Safe use and other:

1. Silver paste must be stored in an air-conditioned freezer or at room temperature of 20 ℃, kept dry indoors, and protected from direct sunlight. Under our recommended storage conditions, the shelf life of silver paste is 6 months (from the date of production)

2. This product contains organic solvents, and good ventilation should be maintained during use to avoid excessive steam inhalation into the body; If it comes into contact with the skin, it should be washed promptly with water and soap.

The information contained in this article is considered reliable by our company, and the data in the product description is non factory standard values. The recorded content, product performance improvements, product specifications, etc. may change without prior notice.

Our company only guarantees whether the product meets the specifications. Due to the different usage conditions of customers and the fact that the storage, transportation, and construction process of the product are not controlled by our company, customers must conduct testing before use to confirm that the product is suitable for their intended use.

Some performance parameters of the product can be specially adjusted according to customer requirements. Customers can contact our marketing department.

Our company's silicone products are developed for general electronic industry use. If it is to be used for other purposes, it must be tested and meet the relevant legal requirements before it can be used.

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