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Ever held a windbreaker that felt ultra-smooth but didn’t know what made it that way? Chances are, it was made from 350T Taffeta Fabric—a quiet powerhouse in the textile world. Let’s unravel this fabric layer by layer.

 

Category

Details

Also Known As

High-density Taffeta, 350 Thread Count Taffeta

Manufacturing Process

Plain weave on water-jet or air-jet loom; dyed or greige → coated/finished

Appearance

Smooth, slightly glossy or matte finish, crisp handle

GSM Range

60 – 90 GSM

Composition Range

100% Polyester / 100% Nylon

Construction Range

50D × 50D / 100D × 100D – 350T Thread Count

Functionality

TPU, PU, PVC, AC (Anti-static), W/R (Water Repellent), PV (Polyurethane Vapor)

Possible Yarn Count

20D, 30D, 50D, 70D, 100D (both FDY & DTY)

Full Width Options

57/58", 59/60", 71/73"

Fabric Breathability

Low to Medium (depends on coating)

Stretchability

Non-stretch (unless elastomeric blended or mechanical stretch added)

Prone to Pilling/Bubbling

No (if finished properly); PU-coated fabrics may bubble over time with heat/humidity

Country of First Production

France, approx. 1950s (commercial polyester taffeta)

Biggest Exporter Country

China (~72% global export share in 2023; ~880,000 tons)

Recommended Washing Temp.

30–40°C (cold to lukewarm); hand/machine gentle cycle

Finishing Uses to Increase Functionality

UV coating, Antimicrobial, Flame retardant (FR), Antistatic, Down-proof coating

Environmental Concerns

Microfiber shedding, Petrochemical-based; use RPET or bio-based versions to reduce impact

Color Fastness

4–5 (Good to Excellent, with correct dyeing & fixatives)

Tear Strength

12–18 N (ISO 13937-1) depending on denier and coating

Air Permeability

<5 mm/s (ASTM D737, coated) → Low airflow for wind-resistance

Water Resistance (PU coated)

1000–3000 mm Hâ‚‚O (Hydrostatic Head Rating)

UV Resistance (if treated)

Up to 95% UV blocking

Shrinkage Rate

<3% (if heat-set and pre-shrunk)

Applications

Tents, Raincoats, Jacket linings, Sleeping bags, Umbrellas, Banners, Medical PPE covers, Duffel bags, Parachutes

Lifecycle Expectancy

2–5 years (depends on exposure & coating quality)

Printing Compatibility

Suitable for sublimation (polyester), screen, and digital printing

Certifications (when eco-friendly)

OEKO-TEX®, GRS (for RPET), Bluesign®, REACH compliant

MOQ in Export Markets

Usually 1000–3000 meters per color/design

Avg. Price per Meter (Bulk)

$0.70 – $1.20 USD (depends on coating, yarn type, and origin)

 

What Does “350T” Really Mean in Fabrics?

Understanding Fabric Thread Count

"350T" stands for 350 threads per square inch. Higher thread counts mean a denser weave. For comparison:

  • 210T = more breathable, lighter, but less durable
  • 300T = good middle ground
  • 350T = tighter, smoother, more water-resistant

In simple terms, the higher the T, the silkier the touch and the stronger the shield.

350T vs 300T vs 210T – What’s the Difference?

Feature

210T

300T

350T

Feel

Light, papery

Medium smooth

Smooth, slick

Weight

Low GSM

Mid GSM

Higher GSM

Water Resistance

Moderate

Good

Very Good

Price Point

Low

Mid

Slightly higher

 

Manufacturing Process of 350T Taffeta

Weaving Method

350T Taffeta uses a plain weave structure. The warp and weft crisscross tightly, producing a crisp, firm fabric. This uniform weave keeps it lightweight but strong, ideal for both apparel and industrial use.

Finishing Options (PU, WR, AC, etc.)

Finishes matter—a lot. Here’s what 350T Taffeta can come with:

  • PU coating: For waterproofing
  • WR (Water Repellent): Light rain resistance
  • AC (Anti-static Coating): Keeps shocks away
  • PVC or TPU: Extra strength for tarps and covers

Key Characteristics of 350T Taffeta

Appearance and Texture

Think: matte or semi-glossy surface that feels slightly slippery. You can dye it into deep, rich shades that don’t fade easily.

GSM Range and Fabric Weight

Typically, 350T Taffeta lands around 60–90 GSM depending on the yarn and finish. Not heavy—but not featherlight either.

Durability and Usage

It doesn’t tear easily. Despite being lightweight, the high thread count gives it high tensile strength. That’s why it often ends up in camping gear or umbrellas.

Technical Specifications of 350T Taffeta Fabric

Possible Yarn Count

Usually spun from 20D–50D polyester or nylon fabric. Lower denier means smoother texture and lighter weight.

Construction Range

Examples include:

  • 100D x 100D, 350T
  • 50D x 50D, 350T

You’ll typically find plain weave in these specs.

Standard Width and Composition

  • Width: 57/58", 59/60", or sometimes up to 71/73"
  • Composition: 100% polyester or 100% nylon

Polyester versions resist wrinkles better, while nylon gives better softness.

Breathability and Stretchability

  • Breathability: Low to medium
  • Stretchability: Not stretchy unless blended with spandex

Great for windbreaking, not for yoga pants.

Common Uses of 350T Taffeta

Outdoor and Waterproof Applications

  • Tents
  • Backpacks
  • Sleeping bag liners
  • Umbrellas
  • Raincoats

Thanks to its finish compatibility, this fabric stands tall against water and wind.

Fashion and Functional Clothing

350T isn’t just brawn—it’s beauty too:

  • Lining material in jackets
  • Windbreakers
  • Formal dress linings
  • Costume fabrics

Final Thoughts

350T Taffeta is like that quiet student in class who ends up becoming CEO. It’s subtle, smooth, and seriously strong. Whether you’re designing rainwear or backpacking tents, this fabric ticks the right boxes.

FAQs

Q1: Is 350T Taffeta waterproof?
Not by itself. It becomes waterproof with PU or TPU coating.

Q2: Is 350T better than 300T Taffeta?
It depends on your use. For stronger, smoother output, yes—350T wins.

Q3: Can 350T Taffeta be used for clothing?
Absolutely. It's perfect for jacket linings and outerwear.

Q4: What’s the GSM of 350T Taffeta?
Typically ranges from 60 to 90 GSM, depending on yarn and coating.

Q5: Is 350T made of polyester or nylon?
Both versions exist. Polyester is more common; nylon is softer and pricier.

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Md Hasan Ahmed

Senior Marketing Executive at Phoenixtex

Md Hasan Ahmed is a seasoned marketing professional currently serving as a Senior Marketing Executive at Phoenixtex Bangladesh Limited since March 2025. In this role, he leverages his expertise to drive marketing strategies and initiatives within the textile industry. With a strong background in textile marketing, Md Hasan Ahmed has demonstrated a consistent ability to enhance brand visibility and foster client relationships. His career reflects a commitment to excellence and a deep understanding of the textile sector's dynamics.