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31# Iso Type Polyester Gelcoat

1. Properties

Iso type polyester gelcoat. It gives good mechanical properties, application properties, water proof, weather reliability. It is recommended for the manufacture of cooling towers, boats, and other outdoor FRP products. It is suitable for spraying or hand lay-up.

2. Specification & Application

Specification 31# Test Standard
Viscosity 25°C cp 1600-2600 / 3500-5500 GB7193.1-1987
Gel Time 25°C min 8-20 GB7193.6-1987
Flexible Strength MPa 120 GB/T2570-1995
Flexible Modulus GPa 3.2 GB/T2570-1995
Tensile Strength MPa 68 GB/T2568-1995
Tensile Modulus GPa 3.2 GB/T2568-1995
Elongation % 2.6 GB/T2568-1995
Impact Strength KJ/m² 12 GB/T2571-1995
Barcol Hardness 43 GB3854-83
HDT °C 81 GB1634-1979

Application

  • Cure-system: Cobalt type accelerator, MEKP
  • Application:
    1. Temperature of workshop, raw materials and mould should be above 15°C and relative humidity below 70%;
    2. Spraying or hand lay-up.
  • Note:
    1. There are transparency, white and other varied colors, referred to RAL color card.
    2. Colour gelcoat is promoted.

3. Package, Storage & Transportation

  • PACKAGE: 20kg or 50kg pails
  • STORAGE: maximum of 3 months under 25°C in shade
How can I get a sample?2024-07-17T06:56:11+00:00

We provide small samples free of charge, but you will need to cover the shipping costs.

Are you able to adjust the formula to meet our requirement?2024-07-17T06:59:11+00:00

We have our own technical department. After you test the sample, please provide us with your detailed requirements. We can adjust the resin accordingly to enhance the properties of your finished products.

What is the lead time for mass production?2024-07-17T07:00:10+00:00

Honestly, it depends on the quantity. We will do our best to create a production plan based on your estimated time of arrival (ETA).

What are your terms of payment?2024-07-17T07:01:14+00:00

For the first trial order, we require 100% payment upfront. For subsequent orders, we ask for 30% payment in advance and 70% payment after the buyer receives the B/L copy. We also accept L/C if needed.

Typical Processing

Pultrusion

Pultruded Grating, Tent Poles, Solid Rod, Flat Strip, Square Tube, Hollow Round Tube.

SMC/BMC

Insulating FRP Parts (Low Voltage), FRP Plates for Water Tanks, FRP Insulators (High Voltage), Sanitary Ware and Auto Parts

Solid surface

Solid Surface And Artificial Marble Resins, Engineered Stone, Quartz Stone, Granite.

Hand Lay-up

Chemical Resistance, Tanks & Pipes Resin

We are Jiangsu Alita Polymer Co., Ltd., a prominent manufacturer and supplier of polyester resin products under the brand name Alita Resins. Specializing in unsaturated polyester resin production, we are dedicated to delivering high-quality solutions to meet the diverse needs of our clients.

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