Invisible Glue Lines for Edge Banding and Panel Splicing
Solid wood edge banding and panel splicing have two big problems. One is a visible glue line. The other is cracking after moisture exposure. Winsir Glue on Wood Edging solves both problems. The glue line is very thin, less than 0.1 millimeters. The color is transparent. The refractive index matches the wood. You can hardly see it even if you look closely. We tested this with a cabinet factory in Zhejiang. Their door panels soaked in water for 48 hours. The glue lines did not crack. This glue on wood edging meets the Japanese JAS standard. It is a common choice for products exported to Japan.


Two-Part Composition and Technical Details
Winsir Glue on Wood Edging uses a two-part system. The main component is a specially modified high-molecular-weight PVAc emulsion. The crosslinker is a hydrophilic polyisocyanate. The mixing ratio is 100:15 by weight. The main component has a solid content of 52% ± 2%. At 25°C, the viscosity is between 8,000 and 18,000 centipoise. The pH value is between 6.0 and 7.0. After mixing, the working time is 30 to 45 minutes at 25°C. This glue on wood edging contains no formaldehyde. It meets CARB certification standards. The adhesive film is translucent. The refractive index is close to that of wood. The glue line is extremely thin, less than 0.1 millimeters.
Performance Testing and Data
Winsir Glue on Wood Edging has been tested rigorously. For water resistance, it reaches EN 204 D4 grade. The test method is a boil 4 hours - dry at 60°C for 16 hours - boil 4 hours cycle. The strength retention rate is above 85%. This means you can use it for bathroom cabinets and outdoor furniture. For bonding strength, the ASTM D-905 shear strength is 14 to 17 MPa. The wood failure rate is 95% or higher. When you cut the spliced board, the wood tears at the break. The glue line does not separate. For production efficiency, at 25°C with 15% coating weight, you can remove pressure after 45 to 60 minutes. You can plane, saw, or drill after 24 hours. You can produce two batches of panels per day.

Technical Specifications Table
|
Parameter |
Specification |
|
Product Type |
Two-part PVAc + Polyisocyanate |
|
Mixing Ratio |
100:15 (by weight) |
|
Solid Content |
52% ± 2% |
|
Viscosity (25°C) |
8,000 - 18,000 cP |
|
pH Value |
6.0 - 7.0 |
|
Working Time (25°C) |
30 - 45 minutes |
|
Glue Line Thickness |
<0.1 mm |
|
Shear Strength (ASTM D-905) |
14 - 17 MPa |
|
Wood Failure Rate |
≥95% |
|
Water Resistance Grade |
EN 204 D4 |
|
Strength Retention (after cycle) |
>85% |
|
Press Time (25°C) |
45 - 60 minutes |
|
Full Cure Time |
24 hours |
|
Formaldehyde Content |
None (CARB certified) |
Why Choose Winsir for Wood Edging
You do not need to keep your press waiting for a long time. Winsir Glue on Wood Edging cures fast and resists water well. We can also adjust the formula based on your wood type, including high-moisture woods. From press parameters to sanding, Winsir provides full support. Choose Winsir and make your solid wood doors and cabinet panels flatter and more durable. Contact us today for a free test on your wood.
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