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300ml Waterproof Plastic Cartridge for Construction

Crafted for professional construction environments, our 300ml Waterproof Plastic Cartridge delivers leak-free dispensing performance for sealants, adhesives, and grouts in wet or humid conditions.

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  • NEWCA


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  • Our 300ml plastic cartridge is specifically designed for professional silicone sealant applications in the construction industry

  • Made from high-quality HDPE material, this empty cartridge features excellent chemical resistance and durability to handle various silicone formulations

  • With its 300ml optimal capacity, this lightweight yet sturdy plastic cartridge fits standard caulking guns perfectly while providing enough material for medium-sized projects

  • Ideal for window installations, bathroom sealing, expansion joints and other construction applications requiring reliable silicone sealant packaging

  • The smooth inner walls enable complete product evacuation with minimal waste


Product Overview


Constructed from impact-resistant polypropylene (PP), this cartridge features a threaded nozzle adapter and airtight plunger assembly that prevent moisture ingress, ensuring material freshness and consistent application. Its design accommodates both manual and pneumatic dispensing tools, making it a versatile choice for contractors and DIY enthusiasts alike.


Product Specifications


Parameter

Value

Material

Polypropylene (PP)

Capacity

300 ml

Dimensions

Height: 230 mm, Diameter: 48 mm

Wall Thickness

1.5 mm ± 0.1 mm

Water Resistance

IPX7-rated (submersible at 1m for 30 minutes)

Recyclability

100% recyclable PP (#5 resin)


Features


Triple-Seal Protection: Integrated threaded nozzle seal, O-ring plunger gasket, and barrier film create a moisture-resistant barrier, tested to maintain seal integrity in 95% humidity environments.

Optimized Dispensing Channel: Smooth interior walls with precision-molded ribbing reduce friction, enabling 98% material evacuation to minimize waste and maximize cost efficiency.

Environmental Durability: UV-stabilized material resists degradation from sunlight exposure, while chemical compatibility spans silicones, acrylics, epoxies, and water-based adhesives.

Tamper-Evident Security: Breakable neck seal provides visual confirmation of product integrity, ensuring unused cartridges remain contamination-free until first use.

Customizable Dispensing Tips: Compatible with 3mm, 5mm, or 8mm orifice nozzles (sold separately), allowing precise control over bead size for different application needs.


Applications


Construction: Sealing window frames, door jambs, and roofing penetrations during rainy weather or high-moisture conditions.

Marine Repair: Waterproofing boat hull seams, deck fittings, and below-deck compartments exposed to saltwater.

Plumbing Maintenance: Sealing pipe connections, valve fittings, and water tank joints in humid mechanical rooms.

Home Improvement: DIY projects like bathroom tile grouting, basement waterproofing, and outdoor furniture repairs.


FAQ


Q: Will low-viscosity materials like acrylic sealants leak from the cartridge?

A: No, the precision plunger seal creates a tight barrier that prevents leakage, even with materials as thin as 500 cP viscosity.


Q: How does storage temperature affect cartridge performance?

A: For optimal results, store filled cartridges between 5°C–25°C; exposure to temperatures above 40°C may accelerate material curing.


Q: Is the cartridge compatible with standard caulking guns?

A: Yes, it fits all 10:1 ratio manual caulking guns and pneumatic dispensing tools with standard 48mm cartridge holders.


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New Chang-an Plastic Enterprise Co.,Ltd. Was founded in 1987 , located at Shunde District, Foshan City of Guangdong Province in China with a total floor .......

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