Abrasion-resistant bimetallic barrel for 30–50% glass-filled PA, PP and PBT. Machined in our own Henan workshop — to your drawing, or reverse-engineered from your worn parts.
Glass fibre is the fastest barrel killer in common use. This barrel carries our hardest-wearing centrifugal lining, selected for 24/7 glass-filled duty — the direct replacement for nitrided barrels that oval within a year.
Specify resin, glass loading and annual tonnage; we match the lining alloy — over-specifying wastes money, under-specifying costs downtime.
Quote within one business day. We reply with a matching proposal, delivery date and price — no generic catalogue PDF.
Standard range shown. Every dimension below can be changed to your machine, resin and output — custom manufacturing is our daily business.
| Bore diameter | Ø20–300 mm |
|---|---|
| Lining | 2–5 mm high-abrasion alloy |
| Duty | 30–50% glass-filled PA / PP / PBT |
| Service life | 3–5× nitrided |
| Bore finish | Honed Ra 0.4 |
| Lead time | 30–45 days |
The honest answer depends on your resin, not on price. Here is how we advise customers.
| Gas Nitrided (38CrMoAlA) | Bimetallic Alloy Lining | |
|---|---|---|
| Best for | Unfilled PE, PP, PS, ABS, virgin PVC | Glass-filled, mineral-filled, recycled, corrosive |
| Surface hardness | HV 900–1020, depth 0.45–0.7 mm | Alloy layer 2–5 mm, metallurgically bonded |
| Typical service life | Baseline | 3–5× baseline on abrasive resin |
| Cost | Lower | Higher, recovered through fewer stoppages |
| Certification | MTC with heat number | MTC + hardness records, third-party on request |
Our high-abrasion alloy at 3–5 mm; the exact grade follows your duty hours — we quote from your tonnage figures.
Yes — hardened flight lands at minimum; we supply matched wear-protected screws.
Shot weight drift and recovery time are the early signs; we can supply a simple measurement routine with the barrel.
Alloy-lined barrel bore for recycled, filled and corrosive materials.
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Custom flanged barrel for extrusion and injection machines.
View Details →Send your machine model, drawing or worn sample — we reply with a matching proposal and quotation within one business day.
