---
product_id: 511411081
title: "Weld-On 4 Acrylic Adhesive - Pint and Weld-On Applicator Bottle with Needle"
brand: "weldon"
price: "₨66794"
currency: LKR
in_stock: false
reviews_count: 5
category: "Weldon"
url: https://www.desertcart.lk/products/511411081-weld-on-4-acrylic-adhesive-pint-and-weld-on-applicator
store_origin: LK
region: Sri Lanka
---

# Moderately fast-setting Water-thin, low viscosity High strength bond (2000 PSI) Weld-On 4 Acrylic Adhesive - Pint and Weld-On Applicator Bottle with Needle

**Brand:** weldon
**Price:** ₨66794
**Availability:** ❌ Out of Stock

## Summary

> 🔗 Bond like a pro—clear, strong, and precise every time!

## Quick Answers

- **What is this?** Weld-On 4 Acrylic Adhesive - Pint and Weld-On Applicator Bottle with Needle by weldon
- **How much does it cost?** ₨66794 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/511411081-weld-on-4-acrylic-adhesive-pint-and-weld-on-applicator)

## Best For

- weldon enthusiasts

## Why This Product

- Trusted weldon brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Application:** Needle applicator bottle ensures exact, mess-free bonding every time.
- • **Adjustable Setting Time:** Moderate cure speed gives you time to reposition before the bond sets.
- • **Trusted Industrial Strength:** 2000 PSI tensile strength trusted by sign fabricators and medical equipment pros.
- • **Clear, Blush-Resistant Finish:** Achieve crystal-clear joints without unsightly white marks—perfect for professional displays.
- • **Versatile Thermoplastic Bonding:** Bonds acrylic, polystyrene, CAB, and polycarbonate with superior strength.

## Overview

Weld-On 4 Acrylic Adhesive is a moderately fast-setting, water-thin solvent cement designed for high-strength, clear bonding of acrylic and other thermoplastics. Featuring a precision needle applicator, it minimizes blush marks and offers a strong 2000 PSI bond, ideal for professional sign fabrication, display cases, and medical equipment assembly.

## Description

Moderately Fast-Setting Solvent Cement for Bonding Acrylic. WELD-ON 4 is a water-thin, somewhat flammable cement formulated to quickly develop very clear and high strength bonds for many thermoplastic substrates. The bond is achieved by first softening the surfaces to be joined and then fusing them together with the dissipation of the solvent. The initial bond forms within a matter of minutes and is followed by a significant and continual increase in bond strength over the next several hours. WELD-ON 4 may be preferred by some plastic fabricators because it is less likely to leave white marks (commonly called blushing). For similar applications but faster setting cement, WELD-ON 3 is recommended. Weld-On 4 Acrylic Adhesive water thin, somewhat flammable, moderately fast-setting, blush-resistant solvent cement for bonding acrylic. It will also bond with other thermoplastics such as polystyrene, CAB (cellulose acetate butyrate), and polycarbonate to themselves. Does not bond to cross-linked acrylics. SUBSTRATE RECOMMENDATIONS : WELD-ON 4 is formulated as a blush-resistant cement for bonding acrylic (poly-methyl methacrylate) to itself. It will also form strong bonds with other thermoplastics such as polystyrene, CAB (cellulose acetate butyrate), and polycarbonate to themselves. It is not recommended for cross-linked acrylic. SUGGESTED BONDING APPLICATIONS: WELD-ON 4 is used extensively in sign fabrication for cementing acrylic letters to fat acrylic presentation panels and trim-capping of cut out acrylic letters. Strong butt joints are made with fat sheets by using the soak method. WELD-ON 4 is also widely used in many applications e.g. fabrication of display and presentation cases, medical equipment assembly, the bonding of plastic containers and pre-forms, and in the manufacture of numerous solvent welded structures and subassemblies using the capillary method. Color: Clear Contents of

Review: I have been using adhesive sheets to assemble my acrylic creations but needed something that would ensure a permanent bond in hot humid situations. I apply using a syringe and love the way it seems to be sucked in-between the layers and creates a bond within minutes. Sometimes just long enough to maneuver the pieces of I realize they aren't quite positioned right. A great alternative to adhesive sheets in some situations just be careful not to get it onto the finished surface
Review: I’m new at repairing acrylics so got the slower setting one. It still sets pretty quickly, but gives you some time to adjust placements. Great hold. Bottle also comes very well sealed, I almost gave up opening it until I finally got it open. Only issue is this size was much larger than I need!

## Features

- Moderately Fast-Setting Solvent Cement for Bonding Acrylic
- Color: Clear
- Contents of Can: 1 pint (16 fl oz )
- Applicator Bottle with Needle
- package include : 1 pcs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0096T6P1Y |
| Are batteries included? | No |
| Best Sellers Rank | #120,680 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #11 in Structural Adhesives |
| Brand | Weldon |
| Country of Origin | USA |
| Customer Reviews | 4.1 4.1 out of 5 stars (256) |
| Date First Available | 9 August 2016 |
| Included Components | 1 |
| Item Dimensions LxWxH | 7.6 x 12.7 x 7.6 Centimeters |
| Item Form | Liquid |
| Item Height | 3 Inches |
| Item Package Quantity | 1 |
| Item Volume | 1 Pints |
| Item Weight | 454 g |
| Item Width | 5 Inches |
| Item model number | AD254PA214 |
| Manufacturer | Weldon |
| Model number | AD254PA214 |
| Number of Memory Sticks | 1 |
| Package Information | Bottle |
| Product Dimensions | 7.62 x 12.7 x 7.62 cm; 453.59 g |
| Special Feature | Strong |
| Specific Uses For Product | Sign fabrication, Display cases, Medical equipment, Plastic containers, Solvent-welded structures |
| Tensile Strength | 2000 Pounds Per Square Inch |
| Viscosity | Low |
| Viscosity Level | Low |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Weldon
- **Item Form:** Liquid
- **Item Package Quantity:** 1
- **Special Feature:** Strong
- **Specific Uses For Product:** Sign fabrication, Display cases, Medical equipment, Plastic containers, Solvent-welded structures

## Images

![Weld-On 4 Acrylic Adhesive - Pint and Weld-On Applicator Bottle with Needle - Image 1](https://m.media-amazon.com/images/I/61xp22nPQRL.jpg)

## Questions & Answers

**Q: I am wanting to bond .25 inch sheets together to make one inch sheet of plexiglass. Is this what I need.**
A: This product works quite well to plastic weld acrylic (plexiglass) together.
Are you hoping to bond the .25" sheets together in order to make a thicker overall sheet? If so, I believe the final product could come out cloudy. This is due to my experience of using too much adhesive it running onto the face of the plastic I am bonding.

**Q: Is this a methacrylate adhesive ?**
A: Weld-on #4 is designed specifically for thermoplastics (one being poly-methyl methacrylate). I would advise reading over the data sheet before purchasing. - Acrylic Habitats         https://www.gogsg.com/ASSETS/DOCUMENTS/ITEMS/EN/ips4-04_spec.pdf

**Q: Will this work bonding Polycarbonate to Acrylic?**
A: Probably, but I;m not sure. If you have any of the produce, try on a sample.

**Q: Will this bond Corian sheets face to face?**
A: I don't think so, weld on 16 maybe but there has to be better adhesive for the job

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***S on 2 February 2026*

I have been using adhesive sheets to assemble my acrylic creations but needed something that would ensure a permanent bond in hot humid situations. I apply using a syringe and love the way it seems to be sucked in-between the layers and creates a bond within minutes. Sometimes just long enough to maneuver the pieces of I realize they aren't quite positioned right. A great alternative to adhesive sheets in some situations just be careful not to get it onto the finished surface

### ⭐⭐⭐⭐⭐ Review
*by A***R on 1 February 2026*

I’m new at repairing acrylics so got the slower setting one. It still sets pretty quickly, but gives you some time to adjust placements. Great hold. Bottle also comes very well sealed, I almost gave up opening it until I finally got it open. Only issue is this size was much larger than I need!

### ⭐⭐⭐⭐⭐ Review
*by A***R on 9 February 2026*

This is the best glue I have tried for some of the 3D printer projects I have made. It is forgiving just a little when putting the smaller parts together (a little wiggle room before setting up). It dries quickly too. It came with a little squeeze bottle that makes applying the glue very easy and not messy. Because it is a pint can, it will be quite a while before running out, making it a very good deal.

## Frequently Bought Together

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-16*