EcoWipePro's dark color T‑shirt knit rags are heavy duty colored shop rags made from recycled dark‑colored T‑shirts (approx. 80% cotton). These bulk shop rags feature a knit structure that delivers 2.5× faster oil absorption vs. standard shop towels (internal test) and moderate lint performance – ideal for heavy oil, grease, and spill cleanup. The dark color effectively hides heavy stains, extending rag life and reducing replacement frequency. Every batch is 100% metal‑detected, sterilized, and contaminant‑free (no buttons, zippers, or hard objects). IMPA 232909 is available for marine procurement. Whether you need economical shop rags for US workshops or heavy duty shop rags for Middle Eastern oil fields, our factory‑direct supply ensures consistent quality and competitive pricing. Free samples available.

💧 2.5× faster

🛢️ Hides heavy stains

💰 Most economical

✨ Low lint, metal‑detected

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Product Specifications

Key product parameters for dark color T‑shirt knit rags – economy grade, IMPA 232909.

Material	Recycled Cotton (dark‑colored T‑shirts)
Fabric Type	Knitted / Jersey knit
Color	Mixed dark colors (may vary)
Cotton Content	Approx. 80%
Size	30x50 cm irregular pieces; custom sizes available
Absorbency	2.5× faster vs. standard shop towels (internal test)
Linting Level	Moderate – acceptable for heavy‑duty cleaning
Metal Detection	100% metal‑detected
Contaminant‑Free	No buttons, zippers, or hard objects
Sanitization	Multi‑stage sterilization process completed
IMPA Code	232909
Grade	Economy – most economical for high‑volume use

Material

Recycled Cotton (dark‑colored T‑shirts)

Fabric Type

Knitted / Jersey knit

Color

Mixed dark colors (may vary)

Cotton Content

Approx. 80%

Size

30x50 cm irregular pieces; custom sizes available

Absorbency

2.5× faster vs. standard shop towels (internal test)

Linting Level

Moderate – acceptable for heavy‑duty cleaning

Metal Detection

100% metal‑detected

Contaminant‑Free

No buttons, zippers, or hard objects

Sanitization

Multi‑stage sterilization process completed

IMPA Code

232909

Grade

Economy – most economical for high‑volume use

Ordering & Packaging

Packaging, MOQ, production & shipment, and shipping destinations.

Packaging Options	Compressed bales (10/20/25kg) or boxes/bags (1/5kg); private label available
MOQ	1 metric ton (standard); contact for custom
Production & Shipment	Lead: 3–5 days. Ship departure: approx. 10 days after order (FOB China)
Shipping To	USA, UK, EU, Asia, Middle East & more

Packaging Options

Compressed bales (10/20/25kg) or boxes/bags (1/5kg); private label available

MOQ

1 metric ton (standard); contact for custom

Production & Shipment

Lead: 3–5 days. Ship departure: approx. 10 days after order (FOB China)

Shipping To

USA, UK, EU, Asia, Middle East & more

Why Choose Dark Color T‑Shirt Knit Rags?

Heavy duty, economical, and metal‑detected – built for oil, grease, and high‑volume use.

💰

Most Economical – Bulk Shop Rags

Lowest cost among all T‑shirt knit rags. Ideal for **bulk shop rags** orders – workshops, garages, and heavy industrial use. Maximize value without sacrificing performance.

🛢️

Hides Heavy Stains – Extends Rag Life

Dark color effectively conceals oil, grease, and grime. Less frequent replacement compared to light‑colored rags – perfect for messy environments like engine rooms and refineries.

💧

2.5× Faster Oil Absorption – Knit Structure

Knit construction delivers **2.5× faster** absorption vs. standard shop towels (internal test). Effective for heavy oil, diesel, and industrial fluids. **Heavy duty shop rags** you can rely on.

🛡️

100% Metal‑Detected – Safe for Equipment

Every batch is **100% metal‑detected**, contaminant‑free (no buttons, zippers, or hard objects). Sterilized and low lint – safe for sensitive machinery and **IMPA 232909** compliant for marine use.

Factory-Direct Industrial Wiping Solutions

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Ideal Applications

Where dark color T‑shirt knit rags deliver heavy‑duty, cost‑effective cleaning

Marine Ship Management – crew wiping ship engine room with sheeting rags.

Frequently Asked Questions

What are dark color T‑shirt knit rags best used for? +

Ideal for heavy oil, grease, and spill cleanup in marine engine rooms, oil rigs, metalworking shops, and automotive garages. The dark color hides stains, reducing rag changes. They offer 2.5× faster oil absorption vs. standard shop towels (internal test).

How do dark color rags compare to light color or white rags? +

Dark color rags are the most economical option. They hide heavy stains completely (unlike light color which shows some residue, and white which shows everything). Absorbency is similar (2.5× faster), but dark rags are best when cost per wipe and stain concealment matter more than visibility.

What IMPA code do these rags carry? +

Dark color T‑shirt knit rags are supplied with IMPA 232909. This code is used for mixed dark‑color cotton rags in marine procurement – suitable for engine room bilge cleaning, drip trays, and non‑critical areas where stain visibility is not required.

Are they low‑lint and metal‑detected? +

Yes. They have moderate lint – acceptable for heavy‑duty cleaning (not for cleanrooms). Every batch is 100% metal‑detected – no buttons, zippers, or hard objects. Sterilized and contaminant‑free.

Can I get bulk shop rags or free samples? +

Yes. We offer free samples (up to 2 kg). Standard MOQ is 1 metric ton for bulk shop rags; smaller trial orders can be arranged. Factory‑direct supply to USA, UK, Australia, Canada, Japan, Singapore, UAE, and Europe. Lead time approx. 10 days.