COMPOTOOL Sealer

COMPOTOOL CTS202 Stage 2 Sealer

The COMPOTOOL CTS202 Sealer is used in combination with COMPOTOOL CTS101 Stage 1 Sealer that results in a very high temperature resistant, thermally stable finish that is smooth and glossy.

COMPOTOOL CTS202 Sealer is a high solids moisture cure system in a hydrocarbon/alcohol solvent blend that gives a high gloss finish to the surface.

COMPOTOOL CTS202 Sealer is applied by a wipe-on or spray–on technique; there is no need for rubbing or polishing.

Key Features:

• High temperature resistance

• Non-contaminating

• Easy and quick application

• Durable surface

Technical Information:

Storage:

• Keep sealed when not in use

• Keep away from sources of ignition

• Store in a cool dry place and protected from frost

Board Preparation:

1. With a clean soft cloth gently wipe any dust off the surface. Dust on the surface will show through on your finished part. Make sure the surface is dry and clean from any contamination. You can wipe the surface with a wax and grease cleaner before applying the COMPOTOOL CTS202 Sealer.

CTS202 Sealer – Wipe on Application:

1. Apply COMPOTOOL CTS202 Sealer with a clean, dry cloth. Fold the cloth so that a smooth, flat surface is presented to the mould surface. Change the cloth if it becomes dirty.

2. Wipe the wet cloth over mould surface covering an area of approximately 0.1m2 (1ft2). Vigorous rubbing or polishing is not required. Frequently re-wet the cloth. NOTE: the first coat may soak into the board but subsequent coats will remain visible on the surface.

3. Repeat steps 1-3 building up the coating. After 2 or 3 coats the board will start to develop a gloss finish. Ensure each coat is dry/cure before applying the following coat.
4. OPTIONAL: After 4 coats allow to dry for 20 minutes and then lightly sand (1000 grade paper or higher) to remove any remaining surface roughness such as dust etc.
5. Apply 1 or 2 final coats following steps 1-3.
6. Allow sealer to cure for at least 2 hours at room temperature or 20 minutes at 60ºC/140ºF (allow sufficient time for the board surface to reach temperature).
7. Apply COMPOTOOL CTR404 Release Agent. (See COMPOTOOL CTS404 Release Technical Data Sheet for more details).

CTS 202 Sealer – Spray on Application:

1. A gravity feed top coat spray gun will give the best drying pattern and highest gloss finish while providing optimum transfer efficiency. We recommend a 1.3mm (0.078 inches) nozzle set up and approximately 1.5 bar pressure (22psi).

2. Hold the nozzle of the gun approximately 200mm (8 inches) from the mould surface and adjust the output to form a wet film without running or dripping (especially on vertical surfaces). Coat the entire surface of the mould overlapping sprayed areas to ensure full coverage. Allow the Sealer to dry for 10 minutes at 20ºC (68ºF) before applying the next coat.

3. Repeat Steps 1-2 (typically 2 or 3 coats), again allowing each to dry for 10 minutes at 20ºC (68ºF) between coats.

4. OPTIONAL: After 2 or 3 coats allow to dry for 20 minutes at 20ºC (68ºF) and then lightly sand (800 grade paper or higher) to remove any remaining surface roughness such as dust etc.

5. Apply 1 or 2 final coats following steps 1-3.

6. Allow sealer to cure for at least 2 hours at room temperature or 20 minutes at 60ºC/140ºF (allow sufficient time for the board surface to reach temperature).

7. Apply COMPOTOOL CTS404 Release Agent. (See COMPOTOOL CTS404 Release Technical Data Sheet for more details).

Notes

1. Application of COMPOTOOL products should be performed in a well-ventilated area. The COMPOTOOL board must be clean and dry before use.

2. COMPOTOOL CTS202 Sealer is sensitive to variations in application technique and thickness. It is important that the user carries out their own test and trials to determine how many coats are required for desired surface finish and application technique. Mould configuration, room temperature and humidity will influence the cure time from that detailed above.

3. COMPOTOOL CTS202 Sealer must be used in conjunction with COMPOTOOL CTS404 Release to seal the micro-pores and give a good release.