Weld-On
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Weld-On Hard Acrylic Wather-thin Hardware Adhesive 16 oz. Water Resistant
Weld-On Hard Acrylic Wather-thin Hardware Adhesive 16 oz. Water Resistant
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Weld-On Hard Acrylic Wather-thin Hardware Adhesive 16 oz. Water Resistant
Weld-On Hard Acrylic Wather-thin Hardware Adhesive 16 oz. Water Resistant
SCIGRIP Weld-On #4 is a water-thin, high strength adhesive for thermoplastic substrates.
Weld-On Hard Acrylic Wather-thin Hardware Adhesive 16 oz. Water Resistant
Item #: 77673911

Weld-On Hard Acrylic Wather-thin Hardware Adhesive 16 oz. Water Resistant

Item #: 77673911
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SCIGRIP Weld-On #4 is a water-thin, high strength adhesive for thermoplastic substrates.
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What Stands Out

Water Resistant
Designed for durability, this adhesive provides excellent water resistance, making it ideal for both indoor and outdoor applications where moisture exposure is a concern.
Precision Application
The 16 oz. size offers precise and controlled application suitable for detailed projects, ensuring minimal waste and maximum efficiency for effective bonding.
Versatile Compatibility
Compatible with hard acrylics and a variety of other materials, this adhesive addresses multiple user needs, making it perfect for crafts, repairs, and construction work.

Product Details

Shop for SCIGRIP Weld-On #4 Adhesive and Weld-On Applicator Bottle with Needle. Get the best deal on Ubuy Ghana for quality products.
  • This product is for INDUSTRIAL USE ONLY and not for use at homes, schools or in recreation. This is an industrial product intended for use by industry. Plastic-Craft Products reserves the right to substitute similar quantity of Weld-On 4SC for Weld-On 3 or Weld-On 4 when ordered by an individual consumer. This product must ship via ground transport. This product may not be shipped into Los Angeles, San Bernardino, Orange, or Riverside Counties. Plastic-Craft Products reserves the right to substitute Weld-On 4SC for Weld-On 3 or Weld-On 4 when ordered for delivery to zip codes in those counties. 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. SCIGRIP 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, SCIGRIP Weld-On #3 is recommended. This product is not for general consumer use. It is an industrial product intended for use by industry. Plastic-Craft Products reserves the right to substitute similar quantity of Weld-On 4SC for Weld-On 3 or Weld-On 4 when ordered by an individual consumer. This product must ship via ground transport. This product may not be shipped into Los Angeles, San Bernardino, Orange, or Riverside Counties. Plastic-Craft Products reserves the right to substitute Weld-On 4SC for Weld-On 3 or Weld-On 4 when ordered for delivery to zip codes in those counties.
Hardware adhesive typeIndustrial
BrandWeld-On
Adhesive formEpoxy
Cure timeminutes
Volume capacity1 pt
FeaturesWater-Resistant
Container typeBottle
ColorClear
Dry time72 h
SizePint
Product net content uomFluid Ounce
AccessoriesWeld-On Applicator Bottle with Needle
Pieces1
Item Weight1 lbs (450 grams)

Who Should Buy?

Suitable For
  • Acrylic Fabricators

    Ideal for professionals creating acrylic displays, offering strong adhesion and clarity for seamless finishes.

  • DIY Enthusiasts

    Great for hobbyists working on craft projects needing strong, water-resistant bonds for acrylic materials.

  • Aquarium Installers

    Perfect for assembling aquariums where water resistance is crucial to ensure long-lasting and secure fittings.

Not Suitable For
  • Non-Acrylic Materials

    Not suitable for bonding materials other than acrylic, which may lead to ineffective adhesion.

  • External Use

    Limited effectiveness in extreme weather conditions, making it unsuitable for outdoor applications without proper protection.

  • Heavy Loads

    Not designed for structural applications where heavy loads or stress might compromise the adhesive integrity.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: Is this product suitable for home or recreational use?

    Answer: No, this product is for industrial use only.
  • Question: Does this product ship via ground transport?

    Answer: Yes, this product must ship via ground transport.
  • Question: Can this product be shipped into Los Angeles, San Bernardino, Orange, or Riverside Counties?

    Answer: No, this product cannot be shipped into those counties.

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12 June 2026 · via Trustpilot
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Features & Benefits

  • Industrial-grade adhesive for thermoplastic substrates
  • Forms clear and high strength bonds
  • Softens surfaces and fuses them together
  • Initial bond forms within minutes
  • Continual increase in bond strength over several hours
  • Less likely to leave white marks (blushing)

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