What is the tensile strength of the roving?

The tensile strength is typically around 0.42-0.45 N/tex depending on the tex size.

ECR Glass, E-Glass Direct Roving for Woven Roving and Pipe

Name: ECR Glass, E-Glass Direct Roving for Woven Roving and Pipe
Brand: Changzhou Tianma Group Co., Ltd.
SKU: 1962491751

Jiangsu, ChinaChangzhou Tianma Group Co., Ltd.

US$500.00-750.00

1 Ton

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Certification

CE, ISO, RoHS

Technique

Winding Filament Roving

Model NO.

Direct roving

Yarn Structure

Bulk Yarn

Surface Treatment

Vinyl Coated

Fiberglass Type

E-Glass

Transport Package

Carton/Pallet

Specification

48-64roll/plt

Trademark

TIANMA

Origin

Changzhou, China

HS Code

7019120090

Production Capacity

150000ton/Year

Key features

ECR Glass Durability: High heat and chemical resistance with ECR glass type for long-lasting performance.

Vinyl Coated Surface: Vinyl coated surface treatment ensures better compatibility with resin systems.

Flexible Customization: Flexible customization options available for bobbin weight and packaging requirements.

Certified Quality: Products certified with CE, ISO, and RoHS standards for global compliance.

100% Inspection: Strict 100% finished product inspection including functional and visual checks.

Fast Lead Time: Consistent production lead time within 15 workdays for both peak and off seasons.

Multiple Sizes Available: Available in 1200TEX, 2400TEX, and 4800TEX roving linear densities.

Secure Packaging: Protective film on each bobbin and stretch film wrapping on pallets for safety.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

Changzhou Tianma Group Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 9 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.89h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturer operating in glass fiber and related chemical product areas. It reports ISO9001:2015, ISO14001, and ISO50001 management-system certifications, plus UL-related product compliance capability. Production information covers fiberglass roving, woven roving, chopped strand mat, unsaturated polyester resin, and hydroxy esters, with finished-product inspection instructions reportedly implemented. The supplier offers flexible customization and ODM services, but reported no new products in the past year and no SDK. Service infrastructure is limited: there are no written complaint-handling, corrective-action, or supplier-service assessment procedures; no overseas warehouse, showroom, agent, or branch; and no valid manufacturing-capacity contract with related subcontractors. Financial information is only represented by years, without sufficient evidence to assess credibility. Customer-case evidence is limited to participation in the JEC trade show; no Fortune 500...

Supplier typeThe supplier is explicitly identified as a manufacturer. Its stated business scope includes manufacturing and sales of glass fiber and hazardous-chemical-related products, including unsaturated polyester resin within applicable licensing scopes.

CertificationsThe supplier reports ISO9001:2015, ISO14001, and ISO50001 management-system certifications, together with UL-related product compliance capability. These certifications provide explicit evidence of formal quality, environmental, and energy-management systems.

After-Sales capabilityThe supplier has in-stock service capability, accepts multiple quotation and payment terms, and reports lead times within 15 working days in both peak and off-season periods. However, it has no written complaint-handling or corrective-action procedures, no written supplier-service assessment records, and no overseas warehouse, showroom, agent, or branch, limiting the evidence of structured after-sales support.

R&D capabilityThe supplier provides ODM services, indicating some design-and-development support. However, it reported no new products during the past year and no available SDK, so the available evidence does not establish broad or strong innovation capability.

Production capacityThe supplier reports substantial annual production across fiberglass roving, woven roving, chopped strand mat, unsaturated polyester resin, and hydroxy esters, and states that finished-product inspection instructions are uniformly followed. Nevertheless, it reports no valid manufacturing-capacity contract with related subcontractors, which is a documented limitation in production governance.

Customization capabilityThe supplier explicitly offers flexible customization and ODM services. These statements directly support the existence of customization capability, although the absence of new-product activity in the past year indicates that the scope of innovation-led customization is not fully demonstrated.