Sprayshop® D4 PVA Exterior Adhesive

The Sprayshop® D4 PVA Exterior Adhesive is a one-part D4 PVA emulsion adhesive, specially formulated for bonding wood. It has a fast set, high bond strength and excellent water resistance. It has a short press time, transparent glue line and can be used for the bonding of windows and doors, stair bonding, surface bonding of partitions and parts, bonding of tenon and finger joints, hard and exotic timbers, and HPL sheets.

This product can be used with either hot or cold presses. It is easily applied by either brush, roller or serrated glue spreader or by spray. Application tools must be made from stainless steel or plastic.

Bonding

• Adhesive, substrate and ambient temperatures should be between 18°C and 20°C
• The moisture content of wood materials should be uniform and between 8% and 12%
• Do not process below 15°C

 Spreading

• The product can be applied by serrated glue spreader, roller, brush or spray
• Application is normally to one surface at a rate of 150g/m² when applied manually, 100g/m² when applied by machine
• Double sided application is recommended for hard woods

Open assembly times

• Maximum of 4-7 minutes depending on ambient conditions and substrate used

Pressing

• Apply pressure when adhesive is still wet
• 0.2 - 0.4 N/mm² for flat bonding
• 0.7 - 1.0 N/mm² for laminating and chip board bonding

• Pack size: 1kg, 5kg, 25kg
• Colour: White, clear when dry
• Viscosity: Medium
• Specific gravity: approx. 1.06 g/cm³
• pH: approx. 3.0
• Open Time: 4-7 mins @ 20°C
• Chalk point: approx. 10°C