Cartridge Caulking Guns
JS-8605 Professional 9 inch heavy duty cartridge silicone gun with alluminum alloy handle
The documented upgrade of the JS-8604 and the first model in the range with adjustable anti-drip.
Product Overview
The documented upgrade of the JS-8604 and the first model in the range with adjustable anti-drip. 520 g, 160 KG push force, 200 KG tolerance at 19:1. The three changes that matter are a thickened full aluminium alloy handle, a super hard alloy dispensing plate in place of iron, and a contoured front handle cast to fit the palm.
Key benefits
Why Buyers Choose This Model
Super Hard Alloy Dispensing Plate
Upgraded from iron to a thicker super hard alloy. The plate is what transmits force to the cartridge, so this is where the force-to-output ratio actually improves.
Thickened Full Aluminium Handle
A thickened full aluminium alloy handle rather than a pressed one, which is where the 200 KG tolerance comes from against a 160 KG working figure.
Adjustable Anti-Drip
The attachment at the rear sets how much the rod retracts at release, so sealant stops flowing when the trigger does. Tune it to the sealant rather than accepting a fixed setting.
Contoured Front Handle
Precision cast in aluminium alloy with a wave profile that fits the palm, which is what makes 160 KG usable for a full shift rather than for ten joints.
Application scenarios
Where It Is Used
- Professional sealing work across varied sealant viscosities
- Crews where sealant waste is measured
- Overhead and awkward-position work needing a secure grip
- The professional tier of an own-brand cartridge range
Who it is for
The Buyers This Model Suits
Professional Sealing Contractors
Uses a gun all day and feels the difference between a cast contoured handle and a flat one.
Buyers Tracking Material Waste
Adjustable anti-drip is the only feature on a manual gun that directly reduces sealant consumption.
Own-Brand Programmes
Needs a top tier for the cartridge range that is mechanically, not cosmetically, better than the middle.
Problems it solves
What It Fixes
Iron Plates That Dish Under Load
At 160 KG an iron dispensing plate deforms and the force stops reaching the cartridge evenly. Super hard alloy is the fix.
Fixed Anti-Drip That Suits One Sealant
Drip behaviour depends on the product. An adjustable rear attachment lets the same gun be right for thin and stiff sealant.
Hand Fatigue At Higher Force
More push force means more grip force unless the handle is shaped for it. The cast wave profile is there for that reason.
Technical features
How It Is Built
User Experience Upgraded Design
JS8605 is the upgraded version of JS8604, introducing several design enhancements to provide users with a more effortless and efficient user experience.
Full Aluminum Alloy Handle
The handle of JS8605 features a thickened full aluminum alloy construction, offering increased stability and durability during operation.
Hard Alloy Dispensing Plate
The dispensing plate has been upgraded from iron to a thicker super hard alloy, further enhancing dispensing force and force-to-output ratio to accommodate high-intensity construction tasks.
Optimized Front Handle Design
The front handle is precision-cast from aluminum alloy and features a contoured wave-like design that comfortably fits the user’s palm, delivering exceptional grip and control.
Customizable Handle Sleeve
JS8605 offers customers the option to customize the handle sleeve, elevating the grip and overall tactile experience, resulting in a substantial improvement in user comfort.
Anti-Drip Functionality
JS8605 has anti-drip function. Use the attachment at the rear to adjust the firing ratio to prevent the silicone glue from continuing to flow out after the glue gun stops. This innovation helps save material.
Specifications
Published Figures For This Model
Every value below comes from our own product specification. Where a figure is not published we leave it out rather than estimating it.
| Net Weight | 520g |
|---|---|
| Packing | 1PC/ poly bag, 20pcs/ CTN |
| Color | orange, or customized |
| Carton Size | 47*25*25 |
| Push Force | 160KG |
| Maximum Tolerance | 200KG |
| Drive Ratio | 19:1 |
| Colour options | orange, or customized |
| Packing | 1PC/ poly bag, 20pcs/ CTN |
| Minimum order | 2000pcs for a customised version |
| Customisation | Colour, packing method, carton appearance and logo |
Materials and manufacturing
How This Model Is Made
Parts for the JS-8605 are produced in our own workshops in Jinli Town, Zhaoqing. This model is predominantly a metal product, made on our fifteen automatic punching machines, nine automatic lathes and three welding machines. Tooling is designed and cut in our own mould room, which is why a change to this model does not queue behind another factory's schedule.
Quality Control
- Every model is weighed against its declared net weight during production, so the carton weight on your packing list matches what arrives.
- Stamped parts are produced in house on 15 automatic punching machines and 9 automatic lathes, so dimensional consistency is controlled at source rather than inspected on arrival.
- Moulded parts come off 5 horizontal and 3 vertical injection moulding machines running up to 10,000 mould open-and-close cycles per day, with tooling maintained in our own mould room.
- The quality management system was certified to ISO 9001:2015 in August 2023, with a certificate valid to 31 July 2026.
- Cartons are counted against the packing list as they are loaded into the container at our own factory door.
Certifications
The quality management system was certified to ISO 9001:2015 in August 2023, under standard GB/T19001-2016, for the manufacture and sale of glass caulking guns and sealant guns. The certificate on file runs to 31 July 2026; ask us for the current renewal status before relying on it. A TUV Rheinland assessment was obtained in 2016.
Customisation Options
- Aluminium Tube Anodizing And Colouring: More than 10 colours available; the surface can be given a frosted texture.
- Aluminium Tube Painting: Up to 10 colours with customisable patterns.
- Aluminium Tube Laser Engraving: Engraved logos, text and patterns on stamped fittings and aluminium tubes.
- Self-Adhesive Logo Labels: Applied to the product in the position the buyer specifies.
- Multi-Colour Logo Printing: Paint screen printing in any colour, with several colours printed at once.
- Tag And Product Screen Printing: Screen printed tags and product markings, multi-colour capable.
Use guide
Getting The Best Out Of It
Step 1
Set the rear attachment first: more retraction for thin sealant, less for stiff.
Step 2
Load with the rod fully back and the alloy plate flat on the cartridge base.
Step 3
Grip the cast front handle with the palm in the wave profile rather than at the tip.
Step 4
Pull the gun along the joint at a steady speed at 45 degrees to the surface.
Step 5
Check the alloy plate for sealant build-up at each cartridge change; a clean plate keeps the force even.
Comparison
How It Compares In Our Range
This model and JS-8606 are consecutive upgrades; the difference between them is small and specific.
| JS-8604 | The model this upgrades: 120 KG, 150 KG tolerance, iron dispensing plate, no anti-drip. |
|---|---|
| JS-8606 | The next step: same 160 KG but 220 KG tolerance and an added plastic glove on the handle. 538 g. |
| JS8611 | Adjustable 18:1 to 28:1 ratio with automatic rather than manual anti-drip, at 557 g. |
FAQ
JS-8605 Questions
What exactly was upgraded from the JS-8604?
Four things: the handle to thickened full aluminium alloy, the dispensing plate from iron to thicker super hard alloy, the front handle to a precision-cast wave profile, and the addition of an adjustable anti-drip function. Push force goes from 120 KG to 160 KG.
How does the anti-drip adjustment work?
An attachment at the rear sets the firing ratio, which controls how far the rod retracts on release. More retraction stops thin sealant flowing on; less suits stiff product.
Can the handle sleeve be customised?
Yes, the handle sleeve is a documented customisation option on this model, which changes grip and feel noticeably.
What are the force figures?
160 KG push force, 200 KG maximum tolerance, 19:1 drive ratio, 520 g net weight.
How is it packed?
One piece per poly bag, 20 pieces per master carton at 47 x 25 x 25 cm. Minimum order 2,000 pieces for a customised version.
Related products
Other Models In Cartridge Caulking Guns
Industries
Trades That Use This Model
Glass And Curtain Wall
Sealant guns and vacuum lifters for crews who handle and seal glass all day
Window And Door Manufacturing
Glazing, perimeter foaming and gap filling for window and door plants and installers
Construction Sealing And Waterproofing
Cartridge, sausage and powered guns for joint sealing and waterproofing trades
Further reading
Guides That Cover This Model
How To Read Caulking Gun Force Ratings
Push force, maximum tolerance and drive ratio describe three different things. Confusing them is the most common reason a gun fails in the field.
Cartridge Or Sausage Which Sealant Gun To Stock
Sausage packs cut cost per litre and packaging waste; cartridges are simpler and universally stocked. The right answer depends on who your customer is.
A Private Label Caulking Gun Specification Checklist
Everything a factory needs from you before an own-brand run, in the order it gets asked, so the quotation comes back once rather than four times.
Quote The JS-8605
Send the quantity and your colour and packing requirements, and we will confirm the minimum and a production date.