Unsaturated resin Price Chart & Market Analysis 2026

Unsaturated resin Price Information Spec: 196#;1001A 3-meter diameter large pipe;Quartz stone resin#;Pultruded profile

Newest Price 1,412.19

Price Date 20260327

Day's Change +5.58

Day's Range 1,412.19 - 1,417.77

Month's Change -339.28

Month's Range 1,412.19 - 1,072.9

Year's Change +250.3

Year's Range 1,412.19 - 1,161.88

Opinions

Why is weather resistance critical for unsaturated polyester resin in outdoor applications?

For outdoor UPR products, don't rely solely on UV absorbers. Combining them with HALS creates a synergistic effect, extending protection by 2-3 times. Also, ensure proper curing — under-cured resin has more residual double bonds, accelerating degradation regardless of additives.

How is downstream demand shaping the unsaturated polyester resin market outlook?

The artificial stone segment is becoming more quality-sensitive, pushing demand for low-styrene or MMA-crosslinked resins. This creates a premium tier that can sustain better margins than commodity FRP grades, but requires investment in formulation and compliance capabilities.

What drives the cost structure of unsaturated polyester resin production in China?

Watch styrene inventory at East China ports as a near-term price signal. With new styrene capacity still ramping, any supply disruption can quickly tighten resin margins. Buyers should consider quarterly contracts linked to feedstock indices rather than spot pricing.

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Overview

Unsaturated resin (Unsaturated Polyester Resin, UPR) is a viscous liquid formed by dissolving unsaturated polyester—a product of polycondensation between diacids and diols—in a reactive monomer such as styrene. It is a thermosetting resin that cures into a crosslinked network, widely used as a matrix for glass-reinforced composites.

Composites & FRP: combined with glass fiber to produce lightweight, high-strength glass-reinforced plastics (FRP) for industrial, transport, and construction applications.
Artificial stone: serves as the binder in engineered quartz and marble surfaces for countertops, sinks, and flooring.
Coatings & adhesives: used in gel coats, putties, and bonding formulations requiring corrosion resistance.
Electrical & infrastructure: provides insulation and dielectric properties for radar domes, insulators, and outdoor equipment.

China's UPR market has shifted from shortage to oversupply, with total capacity exceeding 7 million tonnes and capacity growth slowing. Prices have trended downward amid weak downstream demand, while exports reached record highs as domestic producers sought overseas outlets. Feedstock costs, particularly styrene and maleic anhydride, have eased, supporting resin profitability within the value chain.

Key domestic producers:
Tianma Group – integrated resin and composite materials producer.
Changhai Composite – part of a glass-fiber-to-resin integrated chain.
Guangxi Hualong – new capacity entrant in the resin market.
Wanglin Group – active in resin production and supply.

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Unsaturated resin Price Information Spec: 196#;1001A 3-meter diameter large pipe;Quartz stone resin#;Pultruded profile

Opinions

Why is weather resistance critical for unsaturated polyester resin in outdoor applications?

How is downstream demand shaping the unsaturated polyester resin market outlook?

What drives the cost structure of unsaturated polyester resin production in China?

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