2021 China New Design Resin Polyurethane - Two-component board glue – DESAY

5. Usage:

(1) Pretreatment: base material leveling, glue, according to the proportion of the main agent (milky white) and curing agent (dark brown) 10:1 ratio.Stir the glue evenly, and the mixed glue should be used up within 30 ~ 60 minutes.

(2) sizing: sizing should be completed in 1 minute, the cloth glue is uniform and the end cloth glue should be sufficient.

(3) composite: pressure time to be sufficient, the coated plate in 1 minute, 3 minutes must be pressurized, pressure time 45 ~ 120 minutes, special hardwood 2 ~ 4 hours.Pressure strength should be enough, cork 500 ~ 1000kg/m2, hardwood 800 ~ 15000kg/m2.

(4) Post-treatment: after pressure relief to keep healthy, health temperature above 20℃, 24 hours can be lightly processed (saw, planer), 72 hours after the deep processing, during the period to avoid sunlight and rain wet.

Product name: two-component plywood adhesive

Type of PVAC – PB

Capacity multiple specifications

The exterior color is milky white

Curing 50%

Brands have to match

Viscosity (MPa ·s) 5000-8000

PH 5-6

Curing time 2-4 hours

Shelf life is 12 months

Product parameters

Features

1、Strong adhesion

2、Excellent water resistance

3、Stable in nature

Scope of application

It is suitable for jigsaw bonding of non-structural materials and structural materials.

Instructions

1、Pretreatment: The moisture content of the wood should be controlled between 8-12%; the bonding base surface should be smooth and flat, without warpage, dust, oil, etc.

2、Sizing: the main agent: curing agent (10: 1) ratio mixing needs to fully stir for 3-5 minutes, until uniform. After the glue is prepared, it should be used up within 1-2 hours. Bubbles and volume expansion may occur during use, which is a normal phenomenon. You can continue to use after slight stirring.

3、Curing: The pressing time is generally 2-4 hours, depending on the temperature 

and humidity of the construction environment.

Precautions

1.Base material leveling is key:

Flatness standard: ± 0.1mm Water content standard: 8% -12%;

2. The proportion of glue is very important:

The main agent (white) and curing agent (dark brown) are mixed at a ratio of 100: 10 according to the corresponding ratio;

3. Stir the glue evenly:

Use a stirrer to repeatedly pick up the colloid 3-5 times, without the filamentous brown liquid. The mixed glue solution should be used up within 30-60 minutes;

4. The glue application speed is fast and accurate:

The glue application should be completed within 1 minute. The glue should be uniform and the glue on the end should be sufficient.

5.Pressure time should be sufficient

The coated boards are pressed together within 1 minute, and must be pressurized within 3 minutes. The pressing time is 45-120 minutes, and the hardwood is 2-4 hours;

6, the pressure should be sufficient:

Pressure: softwood 500-1000kg / ㎡ hardwood 800-15000kg / ㎡;

7, after decompression to maintain health:

The health temperature is above 20 ° C, it can be lightly processed (saw, planed) in 24 hours, and can be further processed in 72 hours. Avoid sunlight and rain during the period;