D8117 Semi-Gloss Clearcoat 1 Litre

D8117 Semi-Gloss Clearcoat 1 Litre

DELTRON

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The Clearcoats D8115 (Matt) and D8117 (Semi-Gloss) are designed for use over Envirobase High Performance and GRS basecoats.
GRS Matt Clearcoat System consists of two versatile 2K acrylic urethane clearcoats designed to reproduce a range of low gloss levels for the specialised repairs of vehicles or areas of vehicles originally finished with a low gloss clearcoat over a single or multistage colour basecoat system (e.g. Mercedes full body Matt Finish). To allow for the normal gloss variations - due to colour, model, postion of repair on vehicle etc., the actual mix of the two Clearcoats can be varied to match the vehicle to be repaired.
The D8115 / D8117 or mixes of the two may be used over rigid plastics without the need for special additives.

Preparation of Substrate:
When masking a repair, care should be taken to minimise direct contact of masking tape onto the original Matt finish. Where it is necessary to use masking tape directly on the original finish, the tape must be removed before baking to avoid marking of the original which may not recover.
The Deltron D8115 / D8117 Clearcoats must be applied on top of a clean and dust-free basecoat. The light use of a tack cloth is recommended after the basecoat has flashed off.
Care should be taken to avoid dirt inclusion at all stages. Rectification of dirt inclusion in Matt or Low Gloss finishes is not possible after the final coat of clearcoat.

D8115 / D8117 Mixing Ratios:
To allow for normal variations in the gloss level, depending on colour, model, position of repair on vehicle, it is possible to mix the D8115 and D8117 together in any ratio to match the required gloss for a particular repair. The % ratios quoted below are the best start point for the 5 gloss level ranges.

Gloss Level FC01 FC02 FC03 FC04 FC05
Matt Low Gloss Semi Gloss
Clearcoat Percentage Parts by Weight (%)
D8115 100 70 50 30 0
D8117 0 30 50 70 100

The resulting mix is then activated and thinned as below

Note: Test panels MUST be produced using the intended hardener/thinner/ratio/spraygun combination to check for colour and gloss level against the vehicle to be repaired.
 

Faster Hardener / Thinner Slower Hardener / Thinner
Smaller areas / Verticals / Higher Gloss Larger areas / Horizontals / Lower Gloss
Below 25'C Above 25'C
Smaller Spraygun Tip Size Larger Spraygun Tip Size

 
Mixing Ratio By Volume:

Product Parts Weight
D8115 / D8117 4 Volume
Hardener* 1 Volume See table below
Thinner* 2 Volume

Choose Hardener/Thinner according to guide below

Potlife at 20'C: 1-2 hours depending on Hardener/Thinner

Spray Viscosity at 20'C: 15 seconds (DIN4)

Application and Flash-Off:
Spraygun Setup: 1.2mm - 1.4mm

Spray Pressure: HVLP / RP Conventional
2 - 3 bar 30 - 45 PSI / 200 - 300 KPA


Application:
1 Full single coat. Flash off until evenly Matt all over.
+
1 Full single coat followed immediately by lighter (1/2 coat) cross coat. Flash off until evenly Matt all over before baking.

Flash off between spray coats: 15 - 30 minutes or until fully and evenly matt over the whole repair area*
Flash off before bake or IR Dry: 15 - 30 minutes or until fully and evenly matt over the whole repair area*

*Note: Allowing the Clearcoat Mix to flash off fully between coats and before bake is important to achieve an even appearance and gloss level over the whole repair area. The actual flash off times will depend on the hardener/thinner combination to achieve the correct gloss effect and could vary between 15 - 45 minutes.


Drying Times:
Through dry at 60'C*: 30 minutes with DH710 / DH720 | 40 minutes with DH730
Through dry at IR (medium wave): 8 - 15 minutes (depending upon colour)
*Bake times are for quoted metal temperature. Additional time should be allowed in the bake schedule to allow metal to reach recommended temperature.

Total Dry Film Build: 45 - 55um

Repair and Recoating:
Sanding: Essential before recoating to ensure good adhesion | Grade Wet P800, Grade Dry P400-P500
Overcoat / Recoat time: Force dry at 60'C or IR - After cooling | Air drying at 20'C - 12 hours
Overcoat with: Deltron Primers, Envirobase High Performance, Deltron Topcoats

Weight Mix Tables for D8115 / D8117: Guidelines for Weight Mixing:
Where a specific volume of clearcoat mix is required, this may be best achieved by weight mixing, using the guidelines below. The weights are cumulative - please do NOT tare the balance between additions.

Target Volume of RFU Paint required (Litres) @ 4/1/2  Weight Clearcoat D8115/D8117 or Blends Weight HS Hardener DH710/DH720/DH730 Weight Thinner DT820/DT830 
0.10 L 59g 74g 99g
0.20 L 119g 149g 198g
0.25 L 149g 186g 248g
0.33 L 196g 245g 327g
0.50 L 297g 371g 496g
0.75 L 446g 557g 743g
1.00 L 594g 743g 991g
1.50 L 891g 1114g 1487g
2.00 L 1189g 1485g 1983g
2.50 L 1486g 1857g 2478g


Performance and Limitations:
The Gloss levels achieved with this clear may vary depending upon film thickness and application. Low film thickness and dry application will give a Lower Gloss. High film thickness and wet application will give a higher gloss level.
To remove minor dirt inclusions in the final finish, the repair should be fully dried, de-nibbed after cooling and one further coat of the Clearcoat Mix applied. Care should be taken to avoid too high clearcoat film thicknesses because the final colour could be affected. In this situation, the repair will require sanding and recoating with Basecoat and Clearcoat.
Dirt removal from the final Matt Finish is not possible.