RX-8189 Isophthalic Marine Resin

The ultimate choice of marine resin for luxury yachts and commercial vessels. This marine resin is CCS Certified for superior water resistance (osmosis protection) and mechanical performance.

● CCS Certified: Classification Society Certification: Approved by China Classification Society (CCS) with Class I qualification for this marine resin.

● Hydrolysis Resistant: The marine resin for boats prevents osmosis blistering on hulls.

● Easy Operation: Excellent thixotropy, no sagging.

● High Gloss: Superior surface finish for gel coats.

Marine Resin Technical Specifications

Appearance	Viscosity	Acid Value	Solid Content	Gel Time (25℃)
Pale green turbid liquid	1000 mPa.s	21 mgKOH/g	61%	40 min

Process & Logistics & Packaging

Method

Suitable for Hand Lay-up and Spray-up. Compatible with E-Glass CSM.

Conditions

Temp 15°C-30°C. Humidity < 80%.

Curing

MEKP (1.0%-2.0%).

Shipping

80 Drums / 20' FCL

Hazard Class

Class 3 (Flammable)

FAQ About Marine Resin

Q: Is RX-8189 marine resin compatible with Vinyl Ester skin coats?

A: Yes, it bonds excellently...

Q: Can I use this marine resin for repairing old fiberglass boats?

A: Absolutely. marine resin is strong adhesion...

Q: How does Isophthalic differ from Orthophthalic?

A: Iso resins have a denser molecular structure...

Q: What advantages does your marine resin for boats have?

A: Our marine resin for boats features low water absorption and excellent blister resistance. It bonds firmly with fiberglass, delivering stable performance for boat hull manufacturing and underwater repair projects.

Q: What materials can marine resin be laminated with?

A: Our marine resin works well with fiberglass mat, woven roving and carbon fiber. Proper surface cleaning helps achieve strong interlayer adhesion for marine composite structures.

Q: What is the gel time of marine resin at room temperature?

A: The gel time is adjustable by catalyst dosage. At 25℃, it generally gels within 20–40 minutes, and full mechanical strength can be reached after 24 hours of complete curing.

Q: Is marine resin resistant to seawater and harsh marine environments?

A: Yes. This marine resin is formulated to resist seawater corrosion and osmotic blistering. It maintains stable physical properties under long-term immersion and alternating wet-dry marine conditions.

Q: Can you provide customized grades and bulk packing for marine resin?

A: As the marine resin manufacturer, we support custom formulations and multiple packing options. Contact us to get suitable resin grades and quotations for your boat building or repair projects.