T400 Cover

Updated July 3, 2026

Overview

Product sourcing insights & recommendations

22 来源

The term 'T400 cover' primarily refers to three distinct product categories across the textile, industrial, and automotive sectors. Market trends and insights for each are summarized below.

1. Textile: T400 Stretch Fabric (Apparel & Protective Covers)

In the textile industry, T400 refers to LYCRA® T400® fiber, a bi-component polyester fiber known for permanent stretch without spandex Lycra Ripstopfabric.

* Key Trends: There is a strong shift towards sustainability with T400 EcoMade, which uses 50% recycled PET and 14% plant-based materials Carrington.

* Market Insights: Demand is rising for durable workwear and healthcare uniforms because T400 resists chlorine bleach and maintains its shape even after 50+ industrial washes Carrington Ripstopfabric.

* Wholesale Specs: Prices for T400 stretch fabric typically range from $1.00–$2.50 per meter, with low MOQs (starting at 1 meter) common among Chinese suppliers Alibaba Alibaba.

2. Industrial: T400 Manhole Covers (Heavy-Duty Base Covers)

In construction and infrastructure, T400 (often used interchangeably with the D400 loading class) refers to heavy-duty manhole covers and their base frames Opwglobal.

* Market Trends: Traditional cast iron is being replaced by composite/FRP (Fiberglass Reinforced Plastic) materials to prevent theft and corrosion Alibaba Alibaba.

* Applications: These are designed for main roads, highways, and areas with high wheel loads (up to 400kN) Opwglobal.

* Wholesale Specs: Composite manhole covers with base frames are priced between $30–$90 per unit, depending on dimensions and material strength Alibaba Alibaba.

3. Automotive: TH400 Transmission Covers (Dust/Flywheel Covers)

For automotive enthusiasts and mechanics, a 'T400 cover' usually refers to the dust or flywheel cover for the Turbo 400 (TH400) automatic transmission Ebay Ck5.

* Insights: There is steady demand in the LS swap and performance racing communities for cast aluminum or metal dust covers to protect internal components from road debris Atiracing Facebook.

* Wholesale Specs: Aftermarket transmission covers typically range from $4–$15 per piece in bulk, with many specialized suppliers located in auto-parts hubs like Guangzhou and Zhuhai Alibaba Alibaba.

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Sources & References

22 sources cited · Verified industry data & reports

Manhole Cover T400-Series

OPW

The T400 is composed from a Pressure-activated Fill-cover for additional tanker security and separate base-cover to meet specific requirements.

LYCRA® T400® Fiber

LYCRA

LYCRA® T400® fiber is a polyester fiber that adds permanent stretch and excellent recovery to performance fabrics, plus moisture-wicking and abrasion ...

What Is T400 Workwear Fabric? Benefits, Structure, and ...

ripstopfabric.com

T400 (LYCRA® T400®, developed by INVISTA) is a bicomponent polyester stretch fiber that provides permanent, spandex-free elasticity.

LYCRA® T400® technology | Elastomultiester Polyester ...

CoolMax

LYCRA® T400® technology is a great choice for stretch apparel that keeps it shape and delivers excellent aesthetics. An inherently elastic elastomultiester ...

LYCRA® T400® technology | Elastomultiester Polyester ...

The LYCRA Company

LYCRA® T400® technology is a great choice for stretch apparel that keeps it shape and delivers excellent aesthetics. An inherently elastic elastomultiester ...

T350 T400 metal automatic transmission dust cover GM Part

eBay

T350 T400 metal automatic transmission dust cover GM Part ; Quantity. 1 available ; Item number. 177475782913 ; Brand. General Motors ; Manufacturer Part Number.