Yama Glass 2 Cup French Press - 8oz | Borosilicate Glass Single-Serve Immersion Brewer | Barsonist

Single-serving French press constructed from borosilicate glass for thermal shock resistance and portable brewing applications. This 8oz immersion brewer delivers full extraction in a compact profile suitable for travel, office use, or solo brewing sessions requiring durability beyond standard soda-lime glass construction.

Borosilicate Glass Thermal Performance Borosilicate glass contains boron trioxide that alters the material's thermal expansion coefficient, allowing it to withstand rapid temperature changes without fracturing. This composition prevents the thermal shock cracking common in standard soda-lime glass when exposed to boiling water or sudden cooling. The same material used in laboratory glassware and commercial café equipment provides durability for daily brewing cycles and dishwasher cleaning without degradation.

Immersion Brewing System The plunger mechanism creates positive seal pressure against the beaker walls, pressing grounds to the bottom while the mesh filter traps particles above 100 microns. This immersion method allows complete saturation of all grounds throughout the steep time, producing fuller body extraction compared to percolation methods where water passes through coffee once. The 8oz capacity concentrates this immersion advantage for single servings without the weak results from under-dosing larger presses.

Disassembling Filter Design The mesh filter assembly separates into individual components for thorough cleaning that removes trapped oils and fine particles. This disassembly access prevents the rancid oil buildup common in French presses with permanently assembled filters that can only be rinsed. Weekly deep cleaning with dedicated coffee equipment cleaner like Puro Caff maintains filter performance and prevents flavor contamination between brews.

Replaceable Glass Construction The beaker separates from the plunger assembly, allowing glass replacement if damaged without requiring complete press replacement. This replaceable architecture reduces ownership cost over time and extends functional life beyond the typical discard-after-breakage cycle of integrated presses. Custom branding options are available for the glass body when ordering in volume.

Compact Footprint Portability At 5 inches wide by 7 inches tall, this press occupies minimal counter space and packs efficiently for travel brewing. The petite dimensions suit office desk use, hotel room coffee preparation, or camping applications where carrying volume matters. The comfortable pour handle provides controlled dispensing despite the small scale.

Yama Glass Manufacturing Partnered with a Taiwanese glass studio specializing in hand-blown, tempered borosilicate glass, Yama brings laboratory-grade material craftsmanship to coffee equipment. Their production includes cold brew towers, siphon brewers, and teapots that prioritize thermal performance and visual clarity.

Selected for solo brewing applications requiring genuine borosilicate durability in a travel-ready format, and for café or office environments where individual press service benefits from replaceable glass components.

Specifications:

• Capacity: 8oz (2 cups)
• Dimensions: 5" × 3.5" × 7" (W × D × H)
• Construction: Borosilicate glass body, disassembling mesh filter
• Filter: Removable for cleaning and replacement
• Customization: Branding available on glass body