10 mm Prorope HMPE manure scrape rope
Price per meter – always in one piece
The quantity you add to your cart = the number of meters.
10 mm Prorope HMPE manure scrape rope - Blue / Price per meter is backordered and will ship as soon as it is back in stock.
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10 mm Prorope HMPE manure scrape rope
Description
Description
The rope that keeps your manure alley running — and keeps claws intact.
A steel cable gives no warning. It wears from the inside out and sheds wire after wire into the manure alley — exactly where your cows walk all day. What lameness costs you, you know better than anyone: the treatment, the milk you don’t deliver, the cow that leaves the barn sooner than you planned. Set against that, the choice of scrape rope is a surprisingly cheap decision.
Why farmers switch to HMPE
-10,500 kg breaking strength — well more than a typical drum drive ever puts on your alley
No rust, no burrs, no loose steel wires in the manure
-Does not absorb water: the rope does not freeze and stays flexible in frost
-Light enough that you pull two hundred metres into the alley yourself — no second person, no gloves full of steel wire
-Unaffected by manure, urine and common cleaners
-Very low stretch (under 4%): the scraper starts moving as soon as the drum turns
Is 10 mm the right size for your installation?
10 mm is by far the most requested diameter for rope-driven manure scrapers and fits most drum drives. One rule still comes first: check your scraper’s manual or ask your installer. The manufacturer of your installation specifies which diameter and maximum alley length your drum, guides and corner rollers can handle. If you’re unsure, email or call us — we’ll think it through with you.
How many metres should you order?
The rope runs out and back, plus the wraps on the drum and the attachment to the pull sled. So allow a good twice your alley length. For a hundred-metre alley that comes to well over two hundred metres: exactly a full reel.
Dyneema SK75 or Prorope HMPE?
Both are solid choices, both available from stock. Dyneema SK75 is the well-known brand fibre; Prorope HMPE is our own line at a sharper price per metre.
Ordered today, shipped today. You order per metre or on a 100, 125 or 200 metre reel. Ordered before 13:00 on working days ships the same day.
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Why Prorope HMPE manure scrape rope goes on the drum
A steel cable in the manure alley has a use-by date: it corrodes from the inside, breaks strand by strand and leaves sharp ends where your cows walk. Prorope HMPE uses the same UHMWPE fibre type as branded Dyneema, in a blue finish, at a sharper price - and replaces that cable on every drum drive.
Roughly half the Dyneema price
Same UHMWPE fibre type as branded Dyneema SK75, without the brand premium. You replace the steel cable for less - or keep a spare reel on the shelf right away.
Blue, immediately recognisable
The blue PU coating makes clear at a glance what is in the alley. Handy for you, even handier for the technician who sees your installation for the first time.
10,500 kg (10 mm) or 13,500 kg (12 mm) breaking strength
Enough margin for the moment the scraper snags on a grate or flap. That is when a cable fails - not during normal scraping.
Low stretch, tight run
The scraper responds immediately and stays tight along the whole alley. Less slack means less shock load on the drive and a more even scrape pattern.
No burrs in the alley
An ageing steel cable leaves broken wires behind: sharp points that go through gloves and stay where cows walk. Rope leaves no steel wire fragments.
Manure and ammonia do nothing
UHMWPE is chemically almost inert: manure, urine, ammonia, cleaners and salts do not attack the fibre. Steel corrodes on the inside of the cable, where you do not see it coming.
Flexible in frost
The rope does not stiffen at low temperatures and no rust water freezes in the lay. If your installation makes small winter movements against freezing, the rope simply follows.
Barely absorbs water
No waterlogged rope that weighs a few kilos more by the end of winter, and nothing that can freeze in the alley.
Replace it alone
Pulling a new steel cable through is a two-person job. You pull this rope through the corner stations by hand, on your own, without a crane or tongs.
Does manure scrape rope fit your drive?
Whether rope can be used is not decided by the brand of your manure scraper, but by how your drive station moves the scraper.
Drum drive
The rope is wound onto a drum and runs through corner stations along the alley. This type of installation usually has two drive stations: one winds on while the other winds off, so the rope does not need to be kept under constant tension. This is the drive rope is designed for, and where Prorope HMPE replaces the steel cable directly.
Chain drive
The chain runs over a sprocket or pocket wheel. A sprocket engages the links; with rope there is nothing to engage.
Not sure which drive you have? Look at where the rope or cable enters the station: if it is wound onto a drum, you are fine. If it runs over a sprocket, you are not. Do you have another drive type, for example with a drive roller? Email the brand and model to info@prorope.com and we will check together whether this rope fits.
Five points to check before you order manure scrape rope
Rope places different demands on the alley than a steel cable. Check these five points so you know the installation will treat the rope properly.
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Groove width of corner pulleys and guide eyes
A groove made for 8 or 10 mm steel cable is too narrow for thicker rope. Measure the groove, or stick to the diameter already in use.
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Bend radius: at least ten times the diameter
Allow for 100 mm for 10 mm rope, 120 mm for 12 mm rope as the smallest radius. If the rope runs over a pulley or around a corner that is tighter, the braid is kinked on one side instead of being loaded evenly.
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Pulleys that turn, not sliding surfaces
A seized pulley or a worn slide guide always rubs in the same spot. Frictional heat is the real risk with this fibre, not tensile load: UHMWPE starts to soften from about 125 °C and melts at about 165 °C. Replace worn pulleys at the same time.
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A termination that does not crush the rope
Steel cable clamps squeeze the braid flat and create a weak point there. Use the rope fitting from your scraper manufacturer: there are fittings designed not to crush the rope and to release it easily for maintenance.
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Cut-off on position sensing, not on resistance
A control that knows where the scraper is in the alley stops on position. A control that only cuts out when resistance rises first puts the whole installation under tension. That difference matters for peak load on your rope.
Prorope HMPE manure scrape rope in 10 or 12 mm
10,500 kg breaking strength
Choose 10 mm when:
- an 8 or 10 mm cable is currently on the drum
- it is a regular freestall barn with a normal scraping frequency
- your alley length is within your scraper manufacturer's specification (for many drum installations that limit is around 100 metres)
- the grooves of your corner pulleys are no wider than 10 mm
13,500 kg breaking strength
Choose 12 mm when:
- the alley is long or the scraper pushes a lot of heavy manure ahead of it
- you scrape on a low-emission floor and the alley must be fully clean every 1.5 to 2 hours
- a lot of bedding, straw or sand ends up in the alley
- a thicker cable is already in place
- you want margin for when the scraper snags somewhere — that is when a cable breaks, not during normal scraping
Your scraper manufacturer specifies a maximum alley length per diameter for each drive station. Follow that specification: it is decisive, not the rope's breaking strength.
How many metres should you order?
The rope runs both out and back along the alley. The reserve is for the terminations and for the wraps that always stay on the drum. If you order on a reel, round up to the next reel size.
60-metre alley → 125 metres of rope| Alley length | Rope needed | Best order form |
|---|---|---|
| up to 45 m | ± 95 m | 100 m reel |
| 45 to 60 m | ± 125 m | 125 m reel |
| 60 to 95 m | ± 195 m | 200 m reel |
| longer than 95 m | more than 200 m | per metre or two reels — email for a quote |
Keep a spare length on the shelf right away. If the rope breaks on a Saturday evening, your cows walk through manure until the delivery arrives. A second reel in the workshop turns a breakdown into an hour's job.
Install manure scrape rope in four steps
Steel cable out, rope in. In practice this is a morning's work, and you can do it alone because the rope is light enough to pull through by hand.
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Measure and order
Twice the alley length plus 5 to 10 metres reserve. Roll the new rope out along the alley first so you can see the length is right before you disconnect the old cable.
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Use the old cable as a pull wire
Temporarily attach the new rope to the end of the old cable and pull that out. The rope then follows the same path through every corner station and guide eye.
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Terminate without crushing
Use the rope fitting from your scraper manufacturer or a clamp with rounded pressure faces. Standard steel cable clamps squeeze the braid flat and create the weak point right there.
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Run a few cycles and re-adjust
A new 12-strand rope settles in the first cycles: the braid tightens and the rope becomes a fraction longer. Then check the termination and the winding on the drum again.
Always follow your scraper manufacturer's installation instructions. If they differ from the above, those instructions take priority.
Maintaining manure scrape rope: what you check
Prorope HMPE does not need greasing, oiling or preserving. It does not rust and it does not rot. What remains is looking, and knowing what to look for.
Check these periodically
- The rope at the corner stations and guide eyes — that is where the movement is
- Where the rope is attached to the scraper and to the drum
- Whether all pulleys still turn freely
- Whether bedding, sand or dried manure has built up in the grooves
- Whether the rope winds neatly side by side on the drum and does not climb over itself
Reasons to replace
- Cut-through or cut strands in one spot, usually at a guide or pulley
- A locally flattened spot at the termination
- A hard, glassy or fused spot: that points to frictional heat — find the pulley that no longer turns
- A kink that will not come out
How long a rope lasts depends on your alley, your scraping frequency and above all on the condition of your pulleys. Judge the rope visually, not by a set number of years.
Specifications Prorope HMPE manure scrape rope
| Fibre | Prorope HMPE (UHMWPE) |
|---|---|
| Material | UHMWPE (ultra-high-molecular-weight polyethylene) |
| Construction | 12-strand braided, no jacket |
| Diameter | 10 mm or 12 mm |
| Breaking strength | 10,500 kg (10 mm) or 13,500 kg (12 mm) |
| Coating | Blue PU coating, for shape retention and water repellency |
| Elongation | Very low — the scraper keeps a tight run |
| Buoyancy | Floats on water |
| Temperature | Softens from about 125-130 °C, melting point about 165 °C |
| Minimum bend radius | 10 × the diameter |
| Supply | Per metre, or on 100, 125 and 200 metre reels |
| Diameter | Breaking strength |
|---|---|
| 6 mm | 3 |
| 900 kg mm | |
| 8 mm | 6 |
| 800 kg mm | |
| 10 mm | 10 |
| 500 kg mm | |
| 12 mm | 13 |
| 500 kg mm | |
| 14 mm | 19 |
| 000 kg mm | |
| 16 mm | 22 |
| 800 kg mm |
Breaking strengths are the fibre manufacturer's figures and apply to the unfinished rope. If an eye or hook is spliced in, allow for roughly 10 percent less.
Prorope HMPE or Dyneema SK75 on the manure scraper?
Both ropes use the same fibre type and both replace a steel cable on a drum drive. The difference is the fibre source and the price.
Prorope HMPE
The same UHMWPE fibre type in a blue finish, at roughly half the price of branded Dyneema. The choice if you want to replace a steel cable without the brand premium, or prefer to keep a second length on the shelf as a spare right away.
Dyneema SK75
The original Avient fibre, gold-yellow coated so it is immediately recognisable in the alley. In 12 mm the 14,000 kg breaking strength is the highest in our manure-scraper range. The choice if you want brand certainty and want to know exactly which fibre is on the drum.
Order Prorope HMPE manure scrape rope per metre or on a reel
Calculate your length as 2 × alley length plus reserve, choose per metre or a reel, and order straight away. In stock. Ordered on a working day before 13:00 ships the same working day. Free shipping above 100 euros. Business orders on invoice or purchase order are possible.
Unsure about the diameter, the fitting or your drive? Email the brand and model of your manure scraper to info@prorope.com and you will get a concrete answer back.
Frequently asked questions about Prorope HMPE manure scrape rope
What exactly is Prorope HMPE manure scrape rope?
HMPE is the same fibre family as UHMWPE: ultra-high-molecular-weight polyethylene. This rope is 12-strand braided from that fibre and given a blue PU coating. You get the same fibre type that branded Dyneema uses, in a recognisable blue finish, at a sharper price.
What is the difference with Dyneema SK75 manure scrape rope?
The same fibre type, a different source and price class. Dyneema SK75 is the original Avient brand fibre, gold-yellow and in 12 mm with the highest breaking strength in our manure-scraper range (14,000 kg). Prorope HMPE is blue, around half that price, with 10,500 kg (10 mm) or 13,500 kg (12 mm) depending on diameter. Both replace a steel cable on a drum drive; the choice is yours.
Does this rope fit my manure scraper?
What matters is your drive station, not the scraper brand. If the rope is wound onto a drum, Prorope HMPE replaces the steel cable directly. If your system runs over a sprocket with chain, rope is not a replacement. Do you have another drive type, for example with a drive roller? Email the brand and model to info@prorope.com and we will check together whether this rope fits.
How many metres of manure scrape rope do I need?
Twice the alley length plus 5 to 10 metres reserve, because the rope runs out and back along the alley and wraps always stay on the drum. A 60-metre alley therefore needs about 125 metres.
10 or 12 mm Prorope HMPE manure scrape rope?
10 mm (10,500 kg) is the standard on most cable scrapers. Choose 12 mm (13,500 kg) for long alleys, heavy slurry, lots of bedding or sand, a high scraping frequency such as on low-emission floors, or when a thicker cable is already in place. Always follow the maximum alley length per diameter specified by your scraper manufacturer.
How strong is Prorope HMPE manure scrape rope?
10,500 kg (10 mm) or 13,500 kg (12 mm) breaking strength according to the fibre manufacturer, measured on the unfinished rope.
How do I attach the rope to the scraper and the drum?
With the rope fitting from your scraper manufacturer or a clamp with rounded pressure faces that does not flatten the braid. There are fittings made specifically not to crush the rope and to release it easily for maintenance. Standard steel cable clamps are unsuitable.
Why do I need to watch the bend radius?
The smallest pulley or corner the rope runs around must be at least ten times the diameter: 100 mm for 10 mm rope and 120 mm for 12 mm rope. With a tighter radius the braid is kinked on one side instead of loaded evenly.
Does the rope get longer when it is new?
Yes, a little. In the first scrape cycles the 12-strand braid settles: it tightens and the rope becomes slightly longer. After a day or ten, check the termination and the winding on the drum.
Can manure, ammonia or frost damage the rope?
No. UHMWPE is chemically almost inert and does not react to manure, urine, ammonia or cleaners, and it does not stiffen in frost. What you do need to watch is heat: a pulley that no longer turns rubs in a fixed spot and the fibre softens from about 125 degrees Celsius.
Does Prorope supply the rope with a spliced eye?
No, we supply the rope cut to length without splicing. If you have an eye or hook spliced in yourself, allow for roughly 10 percent lower breaking strength.
Can I order per metre?
Yes, per metre or on 100, 125 or 200 metre reels. Ordered on a working day before 13:00 ships the same working day.
