HP3 Brush Type High Impact Mold Gelcoat

HP3 Brush Type High Impact Mold Gelcoat

Use Areas:

It is used to protect the outer surface, as it is a resin that does not melt the styrofoam in model works made with styrofoam. It serves to protect the model in the mold to be taken from the model.

It is a top layer sandwich panel polyester with a special formula that does not melt the styrofoam for model works to be made with styrofoam.

It is especially used in the production of panels that require thermal insulation such as frigofrig and cold storage.

General Features

Gelcoats, composite products, and composite molds are resistant to light, moisture, solvent, etc. Chemicals that protect against external influences.

This gelcoat; It is a specially formulated isophthalic-based mold gelcoat and is suitable for use with a brush. It is preferred in composite mold making with its high HDT, high chemical resistance, bright surface appearance and standard green color.

Contains accelerator (cobalt). Catalyst (MEK-Peroxide) must be added to harden, the catalyst must be purchased separately.


Safety- When working with mold gelcoat, work in a well-ventilated environment by taking your personal safety precautions. If necessary, wear a mask and always use suitable gloves (For example: DeltaPlus VENITACTYL 1400B100 Disposable Gloves). Wear eye protection goggles.

Recommended Catalyst Ratio (1% - 2%)- You should use a "Catalyst" (MEK-Peroxide) with a minimum weight of 1 g and a maximum of 2 g for each 100 g of "Gelcoat". Since the dosage is sensitive, it is recommended to use a precision scale or kitchen scale when weighing the gelcoat. To add MEK-P into the gelcoat, you can easily use an injector or pasteur pipette from which you have removed the needle.

IMPORTANT- The "Catalyst" (MEK-Peroxide) you will give with your gelcoat orders is sent in accordance with the gelcoat. Please do not use ordinary catalysts. For best results, do not change the catalyst ratio. The use of catalysts other than the specified ratios may cause too late/early gelling and curing problems!No chemicals other than catalyst are needed to harden the gelcoat, it is in the accelerator of the gelcoat.

Technical Properties of Liquid Resin

Viscosity1 4000-6000 cps

Thixotropy min. 3,5

Gel time2 10-20 minutes

At room temperature, in Brookfield viscometer, with SP4 spindle at 50 rpm.

At room temperature, 100 g gelcoat is used with 1.5 g MEK-Peroxide.

Mechanical Properties of Cured Resin

Tensile Strength 65 MPa (ISO 527)

Tensile Modulus 3.6 GPa (ISO 527)

Tensile Elongation 3% (ISO 527)

Bending Strength 120 MPa (ISO 178)

Bending Modulus 3.7 GPa (ISO 178)

HDT 110 °C (ISO 75A)

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