WH6990 Wood Protective Agent - Coating Type

GRASi® WH6990 is a high effective moisture proof protection agent for natural wood , as pretreatment protective agent before painting on woodwork. New generation nano technology is used to produce a waterproof treatment that inhibits water absorption into the substrate. It boosts excellent water repellency. The active ingredients which is nano-size, ensuring good penetration for durability of beading effect. Prevent wood from deformation, blackening, decay etc. because of longterm damp. It also prolong wood lifespan under adverse circumstances.

Features

Stronger chemically bond,long lasting protection,good durability,good stability
Good penetration into porous substrates
Mitigate the woodwork distortion or warping due to damp
Moist wood fiber, stabilize moisture content within a relative small range, reduce crack of woodwork
Resist water vapor,moisture and liquid water into substrate
Fast curing, quickly for using and quick dry
Protect it from splitting,blackening and stains, easy to wash off
Chemical resistance such as acid; weather resistance - Excellent
Frost proof, anti freezing and thawing and resist high temperature(-50℃-200℃）
Does not change surface appearance,have no influence on the following paint work.
Environmentally friendly

Applications

For wood anti fouling and moisture pretreatment protection,for protection on wooden furniture,door ,windows ,crafts ,wooden house, plank bridge, deck, fence, floor, wood board and other wood pieces etc.

Properties

Appearance	Emulsion Liquid
Odor	No
Specific Gravity	1.00±0.01 g/l
PH value	6 - 7
Viscosity	1 mpa.s

Application instruction

GRASi® WH6990 is ready to use penetrating water repellent.

Material surface must be clean and dry .

Spraying, brushing, soaking or rolling are suitable for this application. Please apply under the condition of natural ventilation.

Spray with suitable low pressure, 10-15cm distance away.

Apply the material on substrate until it's thoroughly saturated.

Don't put treated material to moisture or rain place, and dry it in natural air. After complete curing, it will form an outstanding hydrophobicity.

Advise to use when the temperature is between 0℃- 40℃（32-104°F).

Maximum coverage per liter is 5-8 square meters, but depends on substrate density.

Still can do the painting after material waterproof processing.

Storage

Keep sealed and store in cool and dry place, use within 18 months.
Keep away from children.
Keep away from flame and heat.

Performance after best treatment

Surface dry time	30 minutes
Curing time	24-48 hours
Weather durability★	> 6 years

Remarks: curing in lab, 25℃

WB TDS