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KEY-289 PVA Emulsion Etching Protective Adhesive

KEY-289 PVA Emulsion Etching Protective Adhesive

Product Highlights

Excellent peelability	The adhesive film is easy to clean and leaves no residue.	Good film-forming properties
Perfectly isolates splashes	Moderate viscosity and adhesion	Safe and environmentally friendly formula

Product Introduction

KEY-289PVA emulsion is an aqueous vinyl acetate-ethylene copolymer emulsion.

This product can prevent chipping and cracking on the surfaces of workpieces such as lenses, wafers, silicon wafers, metals, and ceramic substrates after cutting, thereby improving the yield of processed products.。

Physicochemical parameters

Solid content	57～59%
Dynamic viscosity	500～2500 mPa·s （25℃）
pH	3.5～5.0
Density	≈1.09 g/cm3 (20℃)
Frost resistance	Avoid freezing
Main particle size	0.5～1.0 μm
Compatibility with pigments and fillers	Excellent
Glass transition temperature	≈17℃

Application Scope

This product can quickly form a uniform organic protective film on the surface of workpieces such as lenses, wafers, silicon wafers, metals, and ceramic substrates, which can promptly disperse heat, prevent the thermal energy of the laser from spreading and causing the cutting path to be too large, effectively prevent the splashing of debris after cutting, prevent workpiece cracks, chipping, and surface scratches, and improve the processing yield.
The workpiece surface is smooth and free of slag residue, improving processing accuracy. The cut surface is smooth and flat without burrs, with a narrow cutting gap. It also avoids damage to the processing equipment caused by the generated spatter and dust, improving processing efficiency and saving equipment and material costs.
It is also suitable for producing A2-grade fire-resistant aluminum composite panel core materials with high strength and low water absorption. It has high tensile strength and low water absorption.
It can be dried at high temperatures without turning yellow. It has excellent adhesion to pigments and fillers, and the resulting core material has high peel strength.?

Packaging specifications

5kg

Storage and Transportation

It is recommended to store the glue in an environment of 5-30℃ to prevent it from freezing. Once frozen, the glue cannot be used.

Transport using clean trucks, with each package stacked no more than five layers high, and the bottom layer secured with a non-slip pallet to prevent squeezing, deformation, or tipping.

Keep sealed, avoid direct sunlight and high heat.

Unopened, 9-month warranty period.