WH6991 Wood Protective Agent - High Efficiency Type

GRASi® WH6991 is a high effective moisture proof agent developed to provide water repellency for wood products especially for raw wood products.

The active ingredients which is nano-size penetrate deeply into the substrates and bond with them,form penetration protective layer on the surface.With super low surface tension, it boosts excellent water repellency and fast beading action.

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, alkali, chloride ion; weather resistance - Good
Frost proof, anti freezing and thawing and resist low/high temperature(-50℃-200℃）
Does not change surface appearance
Environmentally friendly

Applications

Moisture proof, anti corrosion protection for raw woodwork, bamboo, wooden furniture, doors, window frame, crafts, wooden house, plank bridge, deck, fence, floor, wood board and other wood pieces etc.

Properties

Appearance	Colorless
Odor	No
Specific Gravity	0.80±0.01 g/l
PH value	6 - 7

Application instruction

GRASi® WH6991 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.

Apply when the temperature is between 2℃- 45℃（35.6-113°F）.

Maximum coverage per liter is 5-10 square meters, but depends on substrate density.

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	4 hours
Curing time	4-48 hours
Extend Weather durability	5-8 years

Remarks: curing in lab, 25℃

WB TDS