HRANITHERM 351 White - PUR Hot Melt
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Cartridge 2,2 kg,⌀124 mm | ||||
Descripción del producto
Polyurethane filled hot melt adhesive Hranitherm 350 PUR in cartridges is intended to glue furniture edges on professional edge banding machines. With this way of gluing a joint with high resistance to water and heat is created. Great results with the roller and nozzle application. Available also in white colour (Hranitherm 351 PUR)
- very high green strength
- clean machining
- easy processing due to controlled reactivity
- high heat resistance and cold flexibility after crosslinking
USAGE / EXAMPLE OF USE
- gluing ABS, PVC and PP edges with primer
- gluing laminate edges
- gluing veneer edges
TECHNICAL DATA & SUITABLE WORKING CONDITIONS
Parameter | Value |
Adhesive type | Polyurethane |
Form | Cartridge |
Colour |
|
350 PUR | Natural |
351 PUR | White |
Viscosity Brookfield (140°C) | approx. 60 000 mPas |
VOC (volatile organic compound) | 0 % |
Density | approx. 1,30 g/cm3 |
Application temperature | 140 – 160°C |
Open time | 4 - 6 sec |
Reaction time (according to environmental conditions) | approx. 3 days |
Max. time from downtime without cleaning (closed melting pot) | 24 hours |
Ideal operating speed | 10 – 60 m/min |
APPLICATION / HANDLING
Suitable for machines with 125 mm diameter PUR cartridges. When using the hot melt adhesive, check the application temperature on a regular basis by measuring on the roller or nozzle. The temperature shown on the edge-banding machine control panel may differ from the actual temperature. Lower temperature of the adhesive may affect its open time and consequently impair the bonded joint quality. At a higher temperature, the adhesive may degrade, which affects its colour, viscosity, and adhesion. When banding edges from various materials, regular testing of banding strength and quality is advisable. Recommended temperature of the environment and materials is 15 – 25°C.
CLEANING
Clean not-crosslinked residual adhesive on furniture elements using Hraniclean 01 (08). In the melting system use PUR-cleaner 890 in cartridge or granules (blue colour) for flushing the glue out, PUR-cleaner 892 HL for cleaning of the crosslinked glue. You find more information of these cleaning agents in their TDS.
PRECAUTIONS FOR SAFE USING
Even under normal conditions of use product may produce hazardous vapours which may cause a respiratory tract irritation. Provide adequate ventilation. Before use read the SDS of the product.
STORAGE
Cartridge 2,2 kg in aluminium foil. Shelf life is 12 months from the production date in optimal storage conditions (cool and dry; 15 - 25°C) in intact packaging. Storing at temperature above 30°C may cause increase of viscosity. Available also in 22 and 200kg pails.
An opened package can be stored in nitrogen atmosphere, or in a special equipment with dry air or in a fridge with temperatures from -10°C to -18°C, maximum 1 week.