What is the weight of the thread?

The thread is available in 1kg and 4kg packages.

What grades of quality do you offer?

We provide AAA and AA Grade quality.

What are the main applications for this thread?

It is used in telecommunications, protective gear, and industrial applications.

Fireproof Sewing Thread 100% Para Aramid High Strength Yarn 400d/3 for Safety Workwear

Name: Fireproof Sewing Thread 100% Para Aramid High Strength Yarn 400d/3 for Safety Workwear
Brand: Hangzhou Lanfang Technology Co., Ltd.
SKU: 2281320875

Zhejiang, ChinaHangzhou Lanfang Technology Co., Ltd.

US$20.18

200-999 kg

US$19.78

1,000+ kg

Sample price:US$22.41/piece.Request sample

Product profile

Customization

Available

Usage

Sewing

Feature

High Strength, High Temperature-Resistant, Flame-Retardant, Abrasion Resistant, Anti-UV

Model NO.

LF-F

Material

100%Aramid

Number of Shares

Multi-Ply

Pattern

Dyed

Type

Aramid Yarn

Coarseness

Fine Yarn

Structure

Ring Spun Yarn

Prouduct Name

Aramid Thread

Weight

1kg.4kg

Colored

Yellow,Black

Sample

Free(Without Freight)

Delivery Time

9-20dayds After Payester

Customzisd

Yes

Quality

AAA and AA Grade

Application

Telecommunications,Protective Gear,Industrial

Transport Package

Carton

Specification

400d/3, 600d/3, 1000d/3, 1500d/3

Trademark

LF or Customized

Origin

Hangzhou China

HS Code

5402460000

Production Capacity

30000 Kilogram/Kilograms Per Month

Key features

Exceptional Strength: Strength is 5-6 times that of steel wire with much lower weight.

High Temperature Resistance: Wide long-term service temperature range; does not melt or decompose.

Inherent Flame Retardance: Difficult to ignite, self-extinguishing, and does not melt or drip.

Excellent Chemical Resistance: Resistant to most organic solvents, acids, and alkalis.

Cut & Abrasion Resistance: Excellent toughness, effectively absorbs energy and withstands abrasion.

Electrical Insulation: Good dielectric properties, transparent to radio waves, and non-conductive.

Customization Available: Offers full, minor, and flexible customization from samples or designs.

Free Sample Offer: Free samples available without freight charges.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Hangzhou Lanfang Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 years CertifiedNearest Port: Shanghai Port; Ningbo PortAverage Response Time: ≤1.23h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier offering 3D software design, broad customization, ODM, and OEM services. It reports raw-material traceability, 100% finished-product inspection, quality assurance, two production lines, and in-stock capability. Innovation evidence includes new products during the past year, while SDK availability is explicitly absent. Production-related information is mixed: the supplier reports two lines and 2–3 month lead times, but no valid manufacturing-capacity contract with affiliated subcontractors. Overseas service infrastructure is limited, with no overseas warehouse, showroom, agents, or branches, and the stated overseas-service country count is zero. Complaint-handling and corrective-action procedures exist but lack written records. Financial credibility, certifications, environmental compliance, and customer cases cannot be sufficiently assessed from the provided information.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and states that it provides 3D software design services. This supports classification as a technically oriented supplier rather than a purely trading entity.

R&D capabilityThe supplier reports R&D capability, 3D software design, new products during the past year, and ODM services. However, it explicitly lacks an available SDK, so innovation capability is evidenced for product and design development but not for SDK-based development.

Production capacityThe supplier reports two production lines, specified winding, oven, twisting, gluing, and drilling equipment, in-stock capability, 100% inspection, and 2–3 month order lead times. However, it has no valid manufacturing-capacity contract with affiliated subcontractors, so production capability is supported but not fully validated.

Customization capabilityThe supplier offers customization from samples and designs, full, minor, and flexible customization, as well as ODM and OEM services. These multiple explicit service offerings demonstrate broad customization capability.