JS8611 high quality 9 inch silicone sealant gun caulking gun (adjustable handle)
The only cartridge gun in the range with an adjustable dispensing ratio: 18:1 to 28:1, set from the included accessory.
Product Overview
The only cartridge gun in the range with an adjustable dispensing ratio: 18:1 to 28:1, set from the included accessory. 557 g, 160 KG push force, 200 KG tolerance. It exists for contractors who cannot standardise on one sealant, and for distributors who would rather stock one model than two.
Why Buyers Choose This Model
Adjustable 18:1 To 28:1 Ratio
The included accessory sets the dispensing ratio, so one gun covers stiff sealant at 18:1 and flowing sealant at 28:1. No other cartridge model here does both.
Automatic Anti-Drip
Automatic rather than manual, so the operator does not need to control it continuously. Sealant stops when the trigger is released, every time.
Twelve-Point Welded Body
A single-piece welded structure with twelve welding points, which is what carries the 200 KG tolerance.
Thick Alloy Dispensing Plate
A thick alloy plate rather than iron, so the force reaching the cartridge stays even as the load rises.
Where It Is Used
- Contractors working with several sealant types on one site
- Distributors consolidating two models into one
- Mixed sealant work where the operator cannot pick the product
- The top of an own-brand cartridge range
The Buyers This Model Suits
General Sealing Contractors
Uses whatever sealant the specification calls for and needs a gun that suits all of it.
Distributors Simplifying Stock
Would rather hold one adjustable model at depth than two fixed ones thinly.
Sealant Brands With A Broad Range
Sells acrylic, silicone and polyurethane and wants one applicator that works across all of them.
What It Fixes
One Gun, Many Sealants
A fixed-ratio gun is a compromise on every product except the one it was chosen for. An adjustable ratio removes the compromise.
Remembering To Manage Drip
Manual anti-drip only works when the operator uses it. Automatic works regardless.
Stocking Depth Against Range Width
Two fixed models held thinly serve customers worse than one adjustable model held deep.
How It Is Built
Manual Adjustable Dispensing Ratio
The JS8611 is designed to offer manual control over the dispensing ratio. With the included accessory, you can adjust the adhesive output to suit different applications, providing enhanced versatility.
Full Aluminum Alloy Handle
Crafted from high-quality full aluminum alloy, the handle provides durability and a lightweight yet robust feel, ensuring ease of use and comfortable operation.
Thick Alloy Dispensing Plate
The gun features a thick alloy dispensing plate, contributing to its sturdiness and consistent performance during adhesive application.
Monolithic Welded Gun Body
The gun body is presented with a robust monolithic welded structure, featuring a total of 12 welding points, imparting JS8606 with an sturdy and durable appearance and performance.
Automatic Drip Prevention
The JS8611 incorporates an automatic drip prevention function, eliminating the need for continuous control and reducing adhesive wastage, while maintaining a clean workspace.
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 | 557g |
|---|---|
| Packing | 1PC/ poly bag, 20pcs/ CTN |
| Color | orange, or customized |
| Carton Size | 47*25*27 |
| Push Force | 160KG |
| Maximum Tolerance | 200KG |
| Drive Ratio | 18:1 – 28:1 |
| 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 |
How This Model Is Made
Parts for the JS8611 are produced in our own workshops in Jinli Town, Zhaoqing. This model uses both routes: its moulded components come off our five horizontal and three vertical injection moulding machines, and its metal parts come off 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.
Getting The Best Out Of It
Step 1
Fit the accessory and set the ratio before loading: low for stiff sealant, high for flowing.
Step 2
Load the cartridge with the rod retracted and the alloy plate flat on its base.
Step 3
Test the bead on scrap before starting a visible joint, since changing the ratio changes the feel.
Step 4
Let the automatic anti-drip do its work; there is no rod to twist at each pause.
Step 5
Re-check the ratio setting whenever the sealant type changes, not just at the start of the job.
How It Compares In Our Range
Compare on whether the adjustment is worth the price over a fixed-ratio gun.
| JS-8606 | Same 160 KG force but fixed 19:1 and a higher 220 KG tolerance. Cheaper if you only need one ratio. |
|---|---|
| JS8613 | The sausage equivalent with the same manual ratio adjustment concept, at 150 KG and 18:1. |
| JS8604-S | Fixed 22:1 at 80 KG, the cheap way to get high-ratio behaviour if force is not needed. |
JS8611 Questions
How do I change the dispensing ratio?
With the accessory supplied with the gun, which sets the adhesive output. The range is 18:1 to 28:1, and the setting should be changed whenever the sealant changes.
Is the anti-drip automatic or manual?
Automatic. It does not need continuous control from the operator, which is the main practical difference from the JS-8605.
What are the force ratings?
160 KG push force with a 200 KG maximum tolerance, at 557 g net weight.
What colours are available?
Orange in stock, plus custom colours. Minimum order is 2,000 pieces per colour for a customised version.
How is it packed?
One piece per poly bag, 20 pieces per master carton at 47 x 25 x 27 cm.
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
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 JS8611
Send the quantity and your colour and packing requirements, and we will confirm the minimum and a production date.

