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Cold wood glue for windows and doors D4
Cold wood glue for bonding of window frames
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- PVA glue with high adhesive power, for indoor gluing
- Water resistance D4 without the addition of hardener
- Strong, elastic adhesive line
- Once hardened, the glue becomes semi-transparent, without any discolouration
- Density 1.09 g/cm3; the product does not contain mineral fillers
- A filled product can have a density of 1.30 g/cm3
- A large amount of glue is applied, so as a filled product for manufacturing, consumption is around 25% higher
- In a canister, a filled product occupies 70–75% of the volume, while an unfilled product occupies 90–95%
- The colour of the glue is greyish or yellowish in filled products
- Filled products tend to leave a grey line of glue
On wood containing high levels of tannin, the glue line may be coloured (chestnut, oak) a problem accentuated by the presence of iron
Protect from frost
Do not apply below 6/10°C
Gluing at temperatures below 15°C may be ineffective
Storage at temperatures below 5°C and above 35°C can damage the product
With the higher temperatures in the summer months, the open time is significantly reduced
While based on our best experience, the technical advice given should be considered purely as guidance, and must be confirmed through comprehensive practical tests. It does not relieve the purchaser of their responsibility to personally test our products to see whether they are suitable for the intended use
Compliant with EN 204/205, D4 and WATT 91 standards
Suitable for cold gluing of windows and doors in softwoods, hardwoods, resinous woods, exotic woods
Where there is possible frequent exposure to water or condensation, environmental exposure to high humidity for a long time. Outdoor parts must be protected from direct weathering
Mix well before each application. Apply glue evenly with a glue roller, brush, dispenser, serrated steel or plastic trowel or pneumatic spreader. Avoid contact with ferrous materials, which may cause bluish stains upon contact with the tannin of the wood. The curing time and bonding speed are influenced by temperature, humidity, porosity of the material and the amount of product used. The best results are obtained in the following conditions: optimum temperature of the product, surface and environment 18–20°C; moisture in the wood: 8–12%. Residues of fresh product can be removed with water, hardened adhesive with paint thinner, acetone or cleaner. Dispersion adhesive joints cannot undergo thermoplastic behaviour or be exposed to UV light (sunlight) as this may create fissures in them. If necessary to improve resistance to UV rays, add a 10% urea glue. You must perform preliminary tests before bonding parts. Since this is a pre-catalysed single-component product, the viscosity gradually increases with the passage of time until it assumes a creamy consistency. This does not compromise the quality or technical performance of the glue. In order to regain optimum workability, simply shake the glue carefully, possibly adding 3% water. The product retains D4 properties
Open time:
6–8 minutes on average. This is the maximum amount of time that should pass between applying and setting at 20°C for both the room and the wood, application of 150 g/m2, air humidity of 50% and wood moisture of 10%
This time is reduced if:
- Less than 150 g/m2 is applied
- The temperature is above 20°C
- Air humidity is lower than 50%
- Wood moisture is lower than 10%
- The gluing takes place in areas with air currents, especially hot air
It increases if:
- More than 150 g/m2 is applied
- The temperature is below 20°C
- Air humidity is above 50%
- Wood moisture is above 10%
Setting time:
- Medium-fast 20 to 30 minutes. This is the time that the item should be allowed to set, at a temperature of 20°C, both for the environment and for the wood, application of 150 g/m2, air humidity of 50%, moisture content of the wood 10%
- It is advisable to wait at least 24 hours before further processing
This time is reduced if:
- Less than 150 g/m2 is applied
- The temperature is above 20°C (at +60°C on laminate, 1–2 minutes)
- Air humidity is lower than 50%
- Wood moisture is lower than 10%
It increases if:
- More than 150 g/m2 is applied
- The temperature is below 20°C
- Air humidity is above 50%
- Wood moisture is above 10%
Viscosity:
- Not to be confused with density, it is the product's resistance to flow
- Approx. 6000 mPas, medium-low
- Should be viscose enough to allow application with a roller or brush
- Do not dilute the product
Select RAL-colour code
!! NOTE: On-screen visualisation of the colour differs from real colour shade!!