DLT-5303
Duct Fabric

A PVC-faced fabric with polyester reinforcement for flexible air ducts.

Material Data
Weight
480g(±10g)/sqm
Width
1.02m-3.2m

TECHNICAL DATASHEET

Air duct material | DuraTarps DLT-5303
Structure:PVC film+Polyester base fabric+PVC film
Base fabric:1000D
Width:1.02m-3.2m
Weight:480g(±10g)/sqm
Colour:Black/Yellow/RAL1018 or customized
Flame retardant:Self-extinguishing
Tensile strength:1470/1100(N/5cm)
Tearing strength:200/160(N/5cm)
Peeling off strength:80(N/5cm)
Anti-static:<200 megohm or 1×10^8Ω
Suitable temperature:-20° to +70°
Package:Paper tube + Craft paper
Meter per roll:30m-506m

Product Features

  • AntistaticHelps manage electrostatic charge build-up in the fabric, giving manufacturers a material option for assemblies with specified static-control requirements.
  • Flame retardantA flame-retardant formulation for fabricators supplying projects with defined fire-behaviour requirements. Select the grade around the test method required for the finished application.

The Sheet Bond and the Duct Seam

The film-to-polyester bond in DLT-5303 and the seam introduced by a duct fabricator perform different roles. Evaluate them separately. The listed 480gsm mass and 1000D base identify the starting composite, while seam geometry, joining settings and reinforcement depend on the duct design. A sample assembled with the intended method gives more useful fabrication information than treating the material peeling value as a seam rating.

Defined Static and Fire Requirements

DLT-5303 lists self-extinguishing and antistatic characteristics, but their use in a project specification needs the relevant test method and acceptance value. The source’s static-resistance expressions are inconsistent, so a numerical claim should be confirmed before ordering. Select the colour and material configuration first, then obtain the evidence appropriate to that version. These entries do not by themselves approve a duct for a hazardous atmosphere.

Application requirements — Ventilation Ducts

Specify duct diameter and section length, positive or negative operating pressure, airflow conditions, connector design and suspension spacing. Review tensile and tear properties, coating adhesion, seam integrity and leakage in the assembled duct. Identify any required fire behaviour, static-control and temperature criteria for the installation; these must be checked against the selected configuration and applicable test evidence. Another application is dog play and agility tunnels. For these, specify the tunnel diameter, length, support hoops, anchoring and cleaning needs; assess the seams and the finished tunnel around the intended dogs and setting.

Common Finished Ventilation Duct Specifications

Finished Duct Configurations
SpecificationTypical Configuration
Duct ConstructionLayflat blowing duct; spiral-reinforced duct for extraction or bends
Layflat Diameter Examples300–3000 mm nominal diameter
Layflat Section Lengths5, 10, 20, 30 or 50 m sections
Reinforced Duct Examples250–1400 mm diameter; 5 or 10 m sections
Section ConnectionsZip, hook-and-loop, reinforced eyelet or end-ring connections
SuspensionWelded suspension fins or reinforced patches on layflat ducts; rings on reinforced ducts
Seams And Attachment AreasWelded body seams, sealed connection sleeves and reinforced suspension areas
Operating DutyDefine blowing or extraction, fan airflow, static pressure and installed length together

Duct Construction And Connections

Layflat Blowing Duct
DL

A welded top fin carries the suspension points. The end sleeve seals the connection between sections.

Spiral-Reinforced Extract Duct
DL

The reinforcement supports the duct wall during extraction. Wire specification and pitch follow the suction duty.

Discuss the application.

For duct fabric rolls, provide the duct dimensions, air conditions and required static or fire test criteria.

Duct Fabric: Reinforcement Within a Flexible Airway

DLT-5303 is duct fabric with a PVC film, polyester base and PVC film structure. It is listed at 480gsm with a ±10gsm tolerance and uses a 1000D base. The base yarn description identifies the reinforcing textile; the finished mass includes the entire composite. Neither figure alone determines the pressure capacity of an assembled ventilation duct.

The PVC faces and their bond to the textile are part of the sheet’s construction. A duct maker then adds longitudinal seams, circumferential joints and any reinforcing or suspension details. These are separate fabrication operations. The specified peeling strength concerns the material bond and should not be substituted for a duct seam test. The precise production route is not identified in the available data.

Black and yellow RAL 1018 are listed, with custom colours available across a stated width range of 1.02m to 3.2m. The specification also lists self-extinguishing and antistatic properties. Those entries need a defined test method and acceptance requirement for the supplied construction. In particular, the static-resistance figures in the source need clarification before a numerical limit is used for purchasing or safety decisions.

For flexible ventilation ducts, choose the sheet as part of an assembly review covering diameter, air conditions, joints and support. Check the selected material and representative seam using the planned production method. The roll fabric data does not establish suitability for explosive atmospheres or a finished system’s fire rating. Confirm the operating conditions and required supporting evidence before approving the duct construction.