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ROHS Acid Resistant Silver Grease Thermal Paste Good Welding Strength

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ROHS Acid Resistant Silver Grease Thermal Paste Good Welding Strength

China ROHS Acid Resistant Silver Grease Thermal Paste Good Welding Strength supplier

Large Image :  ROHS Acid Resistant Silver Grease Thermal Paste Good Welding Strength

Product Details:

Place of Origin: China
Brand Name: LEED-INK
Certification: ISO9001, ISO14001, SGS, ROHS
Model Number: DT557X-H

Payment & Shipping Terms:

Minimum Order Quantity: 1KG
Price: Negotiable
Packaging Details: 1KG/ Plastic Jar, 6 Jars/ Carton. Carton Size: 39*26*17cm, G.W.: 7.5KG/ Carton
Delivery Time: Within 7 days after payment confirmed
Payment Terms: L/C, T/T, Western Union, Paypal
Supply Ability: 3000KG per Month
Detailed Product Description
Viscosity: 25-45 Pa.s Fineness: ≤15
Drying: 150-180℃/ 3 Min Firing: 680-720℃/ 3 Min
Conductivity(mΩ/sq): ≤4-12 Adhesion((N): ≥80-130

Good Acid Resistance No Color Diffusion Conductive Silver Paste

for Automotive Rear Windshield Defogging




LEED-INK Silver paste DT557X-H series is environmental conductive paste specially designed for automobile rear wind or backlite for defogging and defrost uses.

It is with good acid resistance and no colar diffusion, and has good compatibility with common black glaze on the market. It is non-toxic up to European RoHS environmental regulation (2002/95/EC).



DT557X-H series silver paste is mainly applied on automotive rear windshield for defroster and/or defogger purposes.

It forms the pattern on the automobile glass through the silk screen printing process. After drying and heating process, the metal silver conductive wire is formed on the automobile glass. When the power is electrified, the heat can be generated and the frost on the glass can be removed.

The silver paste has the advantages of strong welding adhesion, good welding resistance and aging resistance, perfectly matching with black glaze, etc.




Test Properties
DT5571-H DT5572-H DT5573-H DT5574-H DT5575-H

Solid Content (%)






Viscosity (Pa.S)

(Brookfield DV-1,14# spindle,10 rmp,





Screen Mesh

(Polyester mesh)


Leveling Time

At room temperature, 2-3min


Drying Conditions



Firing Conditions


Fired Thickness(μm)














Acid Resistance Qualified. Conditon: The samples were soaked in 0.1N sulfuric acid solution after 2 hours (at room temperature), with tape attached to exposing the silver layer no Ag transfer, resistance drift is less than or equal to 8%.
Anti Vulcanization Qualified. Condition: The sample was soaked in 400g ethanol +1g sulfur powder (elemental sulfur) solution for 2 hours (at room temperature), no obvious change in appearance (yellow or black)

Shelf Life

Six Months from Date of Shipment



Featured Advantage


1. Wide firing temperature range

The firing temperature range is wide as 680-710℃ and it could meet most production process requirement.

2. Good Acid Resistance

Put the sample soaked in 0.1N sulfuric acid solution(at room temperature) for at least 2 hours, remove the silver layer with adhesive tape and no Ag transfer, and the resistance drift is less than or equal to 8%.

3. Small change of resistance with long-time printing

The resistance drift could be controlled within 10% during lab testing. It shows the paste could keep stable performance after printing and firing process.

4. Strong adhesion, good welding strength

DT557X-H series is with excellent adhesion. The silver paste exhibit a minimum degree of silver migration stain into the glass, after being fired. There ‘s no loss of adhesion or continuity between the conductors and the backlite.

5. No color diffusion of thermal lines

After silver paste firing process, the silver heating lines would be very clear and no obvious color diffusion.

6. Good compatibility with black glaze

The product has good compatibility with common black glaze products on the market. After the silver paste firing, the silver line is invisible through the black glaze from the printing reverse side, which shows good compatibility with the black glaze.


ROHS Acid Resistant Silver Grease Thermal Paste Good Welding Strength

Contact Details
Hunan LEED Electronic Ink Co., Ltd

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