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Blindsnöre

(7 produkter)

När man väljer snöre till persienner är material, tjocklek och färg viktiga faktorer. Polyester föredras ofta för persienner på grund av dess styrka och UV-beständighet, vilket gör den idealisk för områden med mycket ljus. Nylon är stark men känslig för UV-ljus, vilket kan orsaka snabbare slitage. Polypropylen är ett billigare alternativ, men det är mindre hållbart och UV-beständigt, vilket leder till snabbare slitage och mer frekventa byten. För elektriska persienner behövs en snöre för att rulla in och ut dem. För större persienner krävs tjockare snören, med 1,0 till 1,3 mm för mindre persienner och 2,5 mm för större träpersienner.
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Why polyester is the standard for sun-exposed windows

Excellent UV resistanceKeeps its color and strength under direct sunlight. Nylon yellows and weakens in sun-exposed spots — polyester doesn't.
High abrasion resistanceRated "excellent" for abrasion resistance. The cord runs continuously over guides and pins — abrasion resistance determines lifespan.
Resistant to flex fatigueEvery time the blind is operated, the cord bends sharply around the cord lock. Polyester is exceptionally resistant to repeated axial flexing.
Low stretch, smooth operationWith roughly 12–15% elongation at break, polyester stays dimensionally stable enough for accurate adjustment, yet flexible enough for smooth operation.
Colorfast and color-stableWhite stays white, black stays black — no fading in the sun, even after years of use.
Knot-free and low-frayThe braided construction prevents fraying and knotting during threading, so the cord glides smoothly through the system.

Own test machine · Otto Tromm

What Prorope measures in-house: blind cord from 0.8 to 2.5 mm

Diameter alone says little. On our own breaking strength test machine, Otto Tromm ran five tensile tests per cord in accordance with ISO 2307: 0.8 mm pleated polyester 21 kg, 0.8 mm Dyneema 52 kg, 0.9 mm Dyneema 58 kg, 1.7 mm polyester 102 kg and 2.5 mm polyester 131 kg. Measured values, not manufacturer specifications.

0.8 mm polyester pleated cord
21kg
Hollow braided · no Dyneema core

Average 0.20 kN ≈ 21 kg (5 measurements, ISO 2307). Plenty for pleated and Duette blinds.

Read the test →
0.8 mm Dyneema + polyester sheath
52kg
Black sheath · 32-carrier

Average 0.51 kN ≈ 52 kg. Ideal as a thin repair cord for (pleated) insect screen doors.

Read the test →
0.9 mm Dyneema + polyester sheath
58kg
White sheath · pleated & Duette

Average 0.57 kN ≈ 58 kg. The white sheath is less visible against light fabric.

Read the test →
1.7 mm polyester blind cord
102kg
Braided with core · aluminium blinds

Average 1.00 kN ≈ 102 kg (5 measurements, 0.94–1.07 kN, ISO 2307). Tested 15 Sep 2026 by Otto Tromm.

Read the test →
2.5 mm polyester blind cord
131kg
Core and sheath · wooden blinds

Average 1.29 kN ≈ 131 kg (5 measurements, 1.20–1.39 kN, ISO 2307). The strongest polyester in this collection.

Read the test →

Construction makes the difference, not just diameter. All five values were measured on our own test machine by Otto Tromm (ISO 2307, 5 measurements) — no manufacturer specifications.

Comparison

Polyester vs Dyneema vs nylon vs PP

Property Polyester Dyneema Nylon Polypropylene
UV resistance★★★★★★★★★★★★☆☆☆★★★☆☆
Strength (indicative)★★★☆☆★★★★★★★★★☆★★☆☆☆
Abrasion resistance★★★★★★★★★★★★★☆☆★★★☆☆
Colourfastness★★★★★★★★★★★★☆☆☆★★★☆☆
Flexibility★★★★☆★★★☆☆★★★★☆★★★★☆
Price€€€€€€€€
Best forstandard blindsmax. strength, min. diameternot recommended (UV)budget, short lifespan

Conclusion: choose polyester for standard blinds — the best balance of strength, UV resistance and price. Choose Dyneema cord with a polyester sheath for the highest strength in the thinnest possible diameter. We advise against nylon due to UV sensitivity; polypropylene only as a budget choice.

The range

Types of blind cord at Prorope

Pleated blind cord, polyesterPleated cord0.8 mm
Pleated blind cord, polyesterOur thinnest cord

For pleated and duette shades that run through narrow fold channels. Hollow-braided polyester, on 50-meter spools.

White · black · light grey
Polyester blind cordStandard1.3–2.5 mm
Polyester blind cordThe go-to choice

1.3 mm is the thinnest size with a core, 1.7 mm for aluminum blinds, 2.5 mm for wooden blinds. Braided with a core from 1.7 mm upward.

Measured 2.5 mm: 131 kg
Dyneema + polyester sheathMax strength0.8–0.9 mm
Dyneema + polyester sheathNearly 2× the strength

Dyneema core with a 32-strand braided polyester sheath. The sheath protects against UV and abrasion; the core delivers the strength. Available on reels up to 1,000 m.

0.8 mm 25 kg* · 0.9 mm 35 kg*
HMPE + polyester sheathHeavy duty2–5 mm
HMPE + polyester sheathFor heavier-duty applications

For patio covers and larger sun shading systems, where more tensile strength is needed than for regular interior blinds. Core-sheath construction.

White · black
VariantDiameterConstructionColourBreaking strengthIdeal for
Polyester pleated cord0.8 mmhollow braidedwhite / black / light grey21 kg (measured)pleated & Duette
Polyester blind cord1.3 mmbraided with corewhite / blackt.b.c.small blinds
Polyester blind cord1.7 mmbraided with corewhite / black102 kg (measured)aluminium blinds
Polyester blind cord2.5 mmcore and sheath, 2 strandswhite / black131 kg (measured)wooden blinds
Dyneema + polyester sheath0.8 mmcore and sheath, 32-carrierblack52 kg (measured)pleated / insect screen door
Dyneema + polyester sheath0.9 mmcore and sheath, 32-carrierwhite58 kg (measured)pleated & Duette
HMPE + polyester sheath2–5 mmcore and sheathwhite / blackt.b.c.sun shading, patio

t.b.c. = not yet individually tested on our test machine (incl. 1.0 / 1.3 mm polyester). Measured values: ISO 2307, 5 tensile tests, Otto Tromm / Prorope.

Applications

Where the right cord makes the difference

1.1–1.7 mmAluminum blinds

The standard for horizontal aluminum slats.

2.5 mmWooden blinds

Heavier slats with a wider headrail (50 mm or larger).

0.8–0.9 mmPleated blinds & duette shades

Thin cord that runs through the narrow channels of the folds — polyester or Dyneema.

1.1 mmFly screens & insect screens

For tensioning and operating the screen system.

2 cordsElectric blinds

One cord tilts the slats, one drives the winding tube. The winding cord is replaced most often.

misc.Decor & interior

Sleek, colorfast cord for visible applications where appearance matters.

Points to note

Store the cord without sharp kinks — a permanent kink can accelerate localized wear. When replacing, choose the same or nearly the same diameter as the original, so it moves smoothly through pins and guides.

Available diameters
0.8 mm,0.9 mm,1.3 mm,1.7 mm,2.5 mm,2–5 mm

Explore more

Explore more at Prorope

Looking for more than blind cord? Check out the related collections — from the polyester and Dyneema our cord is made from to colorfast cord for visible interior projects.

Polyester ropeRope
Polyester rope

The material behind our standard blind cord — strong, UV resistant and colorfast.

View collection →
Dyneema ropeRope
Dyneema rope

Maximum strength in the thinnest possible diameter, with a protective polyester sheath.

View collection →
Colored cordCord
Colored cord

Colorfast cord for visible interior and decor projects.

View collection →
Interior ropeInterior
Interior rope

Rope and cord for window treatments, furniture and visible interior applications.

View collection →

Buy blind cord at Prorope

Direct from our own stock

Polyester cord on 50 and 200 meter spools, Dyneema cord by the meter and on reels up to 1,000 meters. Order before 1:00 PM on a business day and your order ships the same day.

Ordered before 1:00 PM = shipped today
Polyester on 50 and 200 meter spools
Dyneema by the meter and on reels up to 1,000 meters
Our own tensile tester — honest breaking strengths, no marketing figures
Order blind cord

We supply consumers, interior fitters, sun shading specialists and installers.

Need advice or a quote?

Our rope specialists are happy to help with the right diameter, variant or color.
+31-77 208 6139 · info@prorope.com

Frequently asked questions

Blind cord FAQ

Blind cord is a thin, strong cord used to operate blinds — raising, lowering and tilting the slats. At Prorope you can choose from braided polyester (0.8 to 2.5 mm) and Dyneema cord with a polyester sheath (0.8 and 0.9 mm), so there's a suitable size for every type of blind.
Polyester is the best standard choice: strong, UV resistant and colorfast in the sun. Nylon is sensitive to UV light and fades and weakens — not suitable. Polypropylene is cheaper but wears out faster. If you want maximum strength in the thinnest possible cord, Dyneema with a polyester sheath is the best choice.
Look at the width of your headrail. For 25–35 mm, 1.0 to 1.3 mm is sufficient. For aluminum blinds use 1.1 to 1.7 mm; for wooden blinds with a headrail of 50 mm or larger use 2.5 mm. For insect screens use 1.1 mm, and for pleated blinds use 0.8 mm polyester or 0.9 mm Dyneema.
We tested our 2.5 mm polyester blind cord on our own tensile tester according to ISO 2307. Across five tests, the average breaking strength came out to 1.29 kN, or about 131 kg. That's a measured value, not a manufacturer's claim — the safe working load sits well below that.
Construction matters more than diameter. Our 2.5 mm polyester cord with a load-bearing core reached 131 kg, while a 3 mm braided cord without a core (polypropylene) only reached around 70 kg in the same test series. When choosing, pay attention to material and construction, not just diameter.
During our pull tests, the 2.5 mm cord began ticking lightly just before failure: individual fibers giving way before it broke completely. This early fiber failure didn't lower the eventual maximum — the final break consistently gave the highest reading. So the cord gives an audible warning before it actually fails.
Polyester blind cord is available in white and black. The 0.8 mm pleated cord is also available in light grey. The 0.8 mm Dyneema cord is black, the 0.9 mm Dyneema cord is white.
Yes. An electric blind has two cords: one that tilts the slats and one that drives the winding tube. The winding cord is knotted to the tube and is continuously wound in and out. Because the motor delivers constant force, there's less friction than with manual operation.
That depends heavily on material and position. Polyester wears significantly slower than nylon, because it's UV resistant and holds up well against daily flex fatigue. Cheaper nylon or polypropylene cord fades and weakens sooner, especially in sunny window positions.
The easiest method is to tie the new cord to the old one and simply pull it through — that way you don't need to take the blind apart. Choose a cord of the same or nearly the same thickness as the original, so it moves smoothly through the pins and guides.
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