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3M EPX black and grey plastic dual-cartridge manual applicator with two plungers

3M

3M EPX Multiple Ratio Two-Part Applicator 1:1 2:1 10:1

SKU CH-6QVA-EQCBH

Manual dual-cartridge applicator handles 43 mL, 45 mL, 48.5 mL and 50 mL containers at 1:1, 2:1 or 10:1 mixing ratios without air hoses or cords

  • Handles three mix ratios with one tool
  • Works with 43 mL to 50 mL dual cartridges
  • Manual drive needs no air hose or cord
  • Includes two plungers for immediate use
  • Durable plastic housing in black and grey

3M EPX Dual-Cartridge Manual Applicator

The 3M EPX applicator handles dual-cartridge adhesives in 43 mL, 45 mL, 48.5 mL and 50 mL sizes. It supports mixing ratios of 1:1, 2:1 and 10:1 for structural bonding and sealing tasks. Two plungers are included to match the required ratio. The tool suits technicians who need portable, cordless dispensing on site.

Manual hand-driven pistons eliminate hoses and cords

Direct piston drive advances both cartridges with each trigger pull for consistent flow. The plastic housing in black and grey keeps weight low for extended use. No compressor or electrical supply is needed, so the tool works in confined or remote areas. Operation stays quiet because there is no motor or pump.

Replaces fixed-ratio guns and pneumatic dispensers

A single EPX unit covers three common ratios, reducing the number of tools a crew must carry. The upgrade is worth it when jobs switch between 1:1, 2:1 and 10:1 cartridges on the same shift. It does not suit buyers who need higher-volume bulk dispensing or automated meter-mix equipment.

How it compares

Measured against everything we stock in Caulking & Sealing Supplies, at today’s prices. Recalculated every night.

Price $111.99
Pricier than about 90% of the 631 comparable items (median $16.99).

Specifications

Product
Brand name3M

Questions about this item

How do I load the 43 mL or 50 mL dual-cartridge and install the correct plunger for the 2:1 ratio?

Insert the duo-pak cartridge into the black and grey plastic housing, select the plunger marked for 2:1 from the two included plungers, seat it firmly so both pistons engage the cartridge outlets, then squeeze the handle to drive the pistons directly — no air hose or power cord required.

Which wearable parts will need replacement after repeated use with 45 mL and 48.5 mL cartridges?

The two included plungers are the primary wear items; they contact the cartridge outlets on every stroke and should be replaced when material bypass or uneven dispensing appears, while the plastic housing and manual drive mechanism typically remain serviceable.

At what point does the manual hand motion become the limiting factor during continuous dispensing of 10:1 ratio adhesive?

Sustained use is limited by operator fatigue — the handle requires direct hand force to drive both pistons through the high-ratio cartridge, so output drops when the user can no longer maintain consistent pressure.

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