Unsaturated Polyester Resin

Description of Unsaturated Polyester Resin

Unsaturated polyester resins are one of the most commonly used thermosetting resins, and are generally linear polymer compounds with ester and unsaturated double bonds made by polycondensation of unsaturated dibasic acids with diols or saturated dibasic acids with unsaturated diols.

Video of Unsaturated Polyester Resin

Introduction of Unsaturated Polyester Resin

Water Resistance:

Marine resins, including marine resin for boats,are formulated to be highly water-resistant and are capable of providing a protective barrier against moisture, making them suitable for marine applications.

Corrosion Resistance:

These resins,including marine resin for wood, exhibit good resistance to saltwater and the corrosive effects of marine environments, ensuring the longevity and durability of boat components.

Low Water Absorption:

Marine resins,including marine resin for plaster, have low water absorption properties, which help prevent the resin from deteriorating or weakening when exposed to water.

High Bond Strength:

They form strong bonds with various materials, including fiberglass, ensuring the structural integrity of the boat and its components.

UV Resistance: Marine resins are often UV-resistant, providing protection against the harmful effects of sunlight, which is crucial for the exterior parts of boats.

Low Shrinkage:

Low shrinkage during the curing process is a desirable characteristic as it minimizes the risk of voids or delamination in composite boat structures.

JL-191RS Hand lay-up general purpose Unsaturated polyester resin

JL-191RS unsaturated polyester resin is a kind of general purpose resin, low viscosity, good mechanical strength and high elongation. It can be applied in all kinds of FRP products as well as lay-up products.

1.Liquid resin technical data

2.Resin casting matrix performance

Remark: casting matrix should follow GB8237-87
Hardness system: hardener 55%MEKPO:1.5% accelerator E1:1%
60ºC×3 Hours + 80ºC×2 hours

3.Performance of FRP

Remark: FRP according to GB 8237-87
‚Hardness system: hardener55%MEKPO:2% accelerator E1:2% 60ºC×3hours + 110ºC×3 hours

5% off JL-189 Water Resistant Unsaturated Polyester Resin

JL-189 resin is an unsaturated polyester resin with benzene tincture, cistincture and standard glycol as the main raw materials. It has been dissolved in styrene cross-linking monomer and has medium viscosity and medium reactivity. It provides good water resistance, processability and mechanical properties. 189 marine unsaturated polyester resin is suitable for hand lay-up process to make FRP boat hull. It is also suitable for cooling tower, pools, sinks, auto parts and storage tanks...

1.Liquid Resin Technical Specification:

2.Resin Casting Body Performances (for reference only):

Remarks:

1Make casting body according to method in GB 8237-87

2Curing system: curing agent: 55% MEKP: 2% accelerator E1: 2%

3Post curing system: 60°C x 2 hours + 80°C x 2 hours

3.FRP Performances (for reference only):

Remarks:

1Make FRP according to method in GB 8237-87

2Curing system: curing agent: 55% MEKP: 2% accelerator E1: 2%

3Post curing system: 60°C x 3 hours + 110°C x 2 hours

Advantages of Unsaturated Polyester Resin for Boat Building

Durability:

Marine resin's resistance to water, salt, and UV radiation contributes to the longevity of boats and ensures that they remain in good condition for extended periods.

Waterproofing:

Marine resins effectively seal the boat's composite components, protecting them from water intrusion, which can lead to rot, delamination, and other structural issues.

Repairability:

These resins,including marine resin for boats,are used not only in boat manufacturing but also in repair work. They allow for effective and lasting repairs to damaged boat parts.

Strength:

Marine resins provide structural strength to boat components, ensuring their ability to withstand the rigors of the sea.

Customization:

Manufacturers can customize the formulation of marine resins to meet the specific requirements of different boat types, styles, and sizes.

JL-1032 Hand lay-up,spray up promote thixotropic Unsaturated polyester resin

JL-1032 is a kind of water resistance resin, viscosity moderation, good mechanical strength. It can be applied in FRP products of motor shell and boats parts as well as lay-up products. It passed CCS approval.

1.Liquid resin technical data:

Gel Time:  50% cyclohexanon peroxide:  4%; Accelerator E1:  4% :

2.resin casting matrixrf peormance:

Remark : casting matrix should follow GB8237-87
Hardness system : hardener 55%MEKPO :2%  ; accelerator E1 :2%

Later Hardness system :60 ºC×2 hours + 80 ºC×2 hours 

JL-3002 Flame Retardant Unsaturated Polyester Resin

JL-3002 unsaturated polyester resin is a reactive flame retardant resin, pre-promoted, with low viscosity, good infiltration of glass fibre and high mechanical strength.

The resin has low viscosity, good infiltration of glass fibre, high mechanical strength, etc. It is suitable for the production of large-sized FRP products, such as wind turbine covers and ship hulls, by vacuum infusion or RTM process.

JL-3002-T30 is winter type, suitable for November and February (below 15℃);

JL-3002-T60 is a spring/autumn type, suitable for March-May, September-October (15-25℃);

JL-3002-T90 is the summer type, suitable for June-August (above 25℃).

1.Liquid Resin Technical Specification(25℃)

*25°C gel time test: resin 100g, curing agent Butanox M-50 1.5g

2.Casting Body Physical Properties (for reference only)

Note：1.Casting method according to GB/T 8237-2005, temperature 25℃, curing system: curing agent Butanox M-50 1.5%;

           2.Post-curing treatment of casting body: room temperature x 24 hours + 60℃ x 3 hours + 80℃ x 2 hours.

Packaging and Storage of Unsaturated Polyester Resin

The loading and transportation must follow the rules in chapter 5 of dangerous chemicals regulations. The products should store under 25 ºC and avoid the sunshine ,heat source and fire source. The shelf life is 6 months.

Company Profile

Changzhou JLON Composite Co. is a leading Chinese supplier of various fiberglass and polyester reinforcements for roofing/ceiling/wall/flooring applications.  Our main products include the following:

1. Coated glass mat: for ceiling, gypsum board, insulation board (PIR/PUR)

2. Laid scrim: fiberglass, polyester scrim and laminate

3. Fiberglass reinforced aluminum foil

4. Fiberglass nonwoven for roofing, flooring and carpets

5. Polyester nonwoven for waterproofing 

JLON is committed to meeting diversified needs of clients. We’re in continuous efforts to improve our supply chain to provide good quality, cost effective products to our clients.

We’re looking forward to building long term business relationship with clients all over the world based on mutual trust. 

FAQs of Unsaturated Polyester Resin

Q1.Can your company customize products?

A: Yes, We usually discuss with customers and help them find solutions.

Q2. How can I get a sample from you to check quality?

A: Usually a sample will be prepared within one week after specification agreed.

Q3. What about your delivery time? Can we receive our goods on time?

A: Usually around 2-3 weeks after order confirmed. Exact delivery time depends on order quantity and Off-season/ busy season.

Q4. What is the Guarantee to buy your products? How to resolve quality complaints?

A: Offer TDS of each lot of production for confirmation before delivery.Once you have any quality problem, you can provide samples /pictures and test data. We will give you feedback in short time. If the quality problem confirmed, we will discuss about compensation with you.

Q5.What are your terms of payment?

A: Usually we do EXW, FOB, CIF and DDU