What are the lead times for production?

The average lead time is within 15 workdays for both peak and off-peak seasons.

Precision Engineered Unsaturated Polyester Vinyl Resin for Composite Industry

Name: Precision Engineered Unsaturated Polyester Vinyl Resin for Composite Industry
Brand: Changzhou Rule Composite Material Co., Ltd.
SKU: 2309809155

Jiangsu, ChinaChangzhou Rule Composite Material Co., Ltd.

US$1.70-1.95

2,200 kg

Product profile

Customization

Available

CAS No.

Inv-V411L-Gxx

Formula

Inv-V411L-Gxx

Model NO.

INV-V411L-GXX

EINECS

Inv-V411L-Gxx

Molecular Principal Chain

Element Organic Polymer

Color

Light Yellow Transparent Liquid

Tensile Strength (MPa)

Tensile Modulus (Gpa)

3.3

Elongation at Break (%)

5.0

Bending Strength (MPa)

140

Flexural Modulus (Gpa)

3.4

Impact Toughness (Kj/M2)

Package Size Per Unit Product

50.00cm * 100.00cm * 50.00cm

Gross Weight Per Unit Product

220.000kg

Transport Package

Wooden Box

Specification

Can be customized/220KG/drum

Trademark

Rule

Origin

Changzhou China

HS Code

3907910000

Production Capacity

50000kg

Key features

Low Viscosity for Vacuum Infusion: Viscosity 180-220 mPa.s, ideal for vacuum injection molding and composite products.

Enhanced Glass Fiber Adhesion: Contains secondary hydroxyl groups to improve wettability and mechanical strength of laminates.

High Corrosion Resistance: Synthesized with methacrylic acid for superior hydrolysis and alkali resistance compared to standard polyester.

Crack and Micro-crack Resistance: End-linked molecular structure absorbs stress and thermal shock, preventing cracking.

Fast Curing Capability: Active double bonds allow quick curing and rapid attainment of mechanical strength.

Customizable Gel Time: Gel time adjustable from 30 to 120 minutes to suit specific process requirements.

ISO and CCS Certified: Certified under ISO9001:2008, ISO14001:2004, and recognized by China Classification Society.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExhibition ExperienceFast Delivery

Changzhou Rule Composite Material Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.20h

AI-Powered supplier vetting

SummaryThe supplier demonstrates ODM and OEM service capability, broad customization options, and substantial export orientation, with 90% of total sales from exports. It maintains documented procedures for supplier-service assessment, corrective actions, and customer complaints, and reports peak- and off-season lead times within 15 working days. However, it has no overseas warehouse, showroom, agent, or branch, and reports no new products launched in the past year. R&D resources appear limited, with one R&D engineer and no available SDK; quality assurance, traceability, environmental compliance, and fire-drill status are largely unknown. No certification information or customer case details are provided. Financial records are indicated for 2021–2023, but their results cannot be assessed from the available information.

Supplier typeThe supplier is positioned as a resin and composite-materials manufacturer offering ODM, OEM, and multiple customization services. Its export share is stated as 90%, but it has no overseas warehouse, showroom, agent, or branch, while having participated in the Moscow Composite-Expo.

After-Sales capabilityThe supplier has a clear procedure and followed records for handling customer complaints, documented procedures for supplier service capability, and corrective/preventive-action records. Service quotations support FOB, CIF, CFR, and EXW terms, with stated lead times within 15 working days in both peak and off-season periods.

R&D capabilityThe supplier offers ODM services and lists formulation development and new-product application among the R&D engineer’s responsibilities. Nevertheless, it launched no new products in the past year, has no available SDK, and reports only one R&D engineer, indicating limited demonstrated innovation output.

Production capacityThe supplier reports five qualified service-capable suppliers, documented service-assessment and corrective-action procedures, and a stated production focus on resin products. However, the provided slices do not give production capacity, equipment, factory scale, or quality-test equipment capability; the number of quality-control test equipment items is stated as zero.

Customization capabilityThe supplier explicitly provides ODM and offers customization from samples, designs, full customization, minor customization, and flexible customization. Its R&D responsibilities include formulation development, supporting the existence of product customization services.

Product Q&A

Q:Why choose Changzhou Rule Composite Material Co., Ltd?

We are a professional enterprise engaged in manufacturing high-performance unsaturated polyester resin, gel coat, and glass fiber reinforced composite materials, offering R&D, technical consulting, and services.

Q:What is resin?

Resin refers to products that soften or melt upon heating and flow under external forces. At normal temperatures, they exist as solid, semi-solid, or liquid organic polymers, serving as raw materials for plastic processing.

Q:What can resins do for you?

Resins are widely used in railways, automobiles, wind power, shipbuilding, pipelines, coatings, and anti-corrosion engineering. Our products hold ISO9001, ISO14001, CCS, and Food-Level Licenses.

Q:What are the key features of INV-V411L-GXX?

It is a pre-accelerated low viscosity bisphenol A epoxy vinyl ester resin with moderate reactivity, high toughness, crack resistance, and excellent strength retention at high temperatures.

Q:What is the minimum order quantity?

The minimum order quantity is 17.6 tons.