The tapered rocks glass combines a weighted shisha base with an ergonomically tapered bowl, engineered specifically for neat spirits, large-format ice cubes, and shaken cocktails across high-turnover bar environments. Precision mold-pressed soda-lime glass construction delivers uniform wall distribution, optical clarity, and thermal resilience necessary to withstand industrial glasswashers and heavy commercial handling.
Key Technical Specifications
|
Parameter |
Specification Details |
|
Capacity Options |
9 oz (266 ml), 11 oz (325 ml), 13 oz (384 ml) rim-full |
|
Height Tolerance |
Controlled within +/- 0.8 mm |
|
Rim Diameter |
Machined to +/- 0.5 mm precision |
|
Unit Weight Range |
310 g to 410 g |
|
Base Thickness |
12 mm solid glass shiv |
|
Material Formulation |
Low iron oxide clear soda-lime glass |
Functional Design & Performance
Ergonomic Taper: The engineered 5-degree angle directs delicate spirit aromas straight toward the nose while ensuring a secure, slip-resistant grip for bartenders handling condensation-heavy glassware during peak service hours.
Impact-Resistant Rim: Diamond-wheel ground and fire-polished top edge eliminates microscopic surface fractures, significantly increasing structural resistance to chipping from stainless steel ice scoops and cocktail shakers.
Stacking Geometry: Integrated internal shoulder step prevents glassware jamming during retrieval, protecting the rim from impact friction and reducing overall storage breakage rates in busy back-bar setups.
Commercial Applications
Craft Cocktail Bars: Optimized base surface area accommodates standard 2-inch spherical ice matrices and large square cubes without restricting muddling motion or liquid displacement.
Hospitality Dining: Engineered to endure aggressive thermal shock cycles between commercial dishwashers operating at 85 deg C and sub-zero ice-chilled environments without micro-cracking.
Retail Gift Sets: Consistent wall thickness distribution supports uniform pad-printing, silk-screening, and laser-etching applications for retail distribution channels and corporate gifting.
Glass Shape & Dimensional Profile
Profile Geometry: Hexagonal, square-base transition, and round conical taper options available to match distinct brand aesthetics and tactile grip preferences.
Optical Clarity: Zero ripple sidewall distortion meeting international food-contact visual inspection standards, showcasing spirit color purity without visual distortion.
Weight Distribution: Low center of gravity engineering prevents accidental tipping when filled with dense cocktail ingredients, heavy ice, and metal bar accessories.
Drink Compatibility
Neat Spirits: Concentrates grain, oak, and peat aromatics at the narrowed upper rim while leaving ample interior space for standard whiskey stones.
Muddled Cocktails: Wide inner bottom diameter accommodates standard wooden muddlers without restricting wrist movement or scratching internal walls.
Build-in-Glass: Direct mixing capability allows rapid preparation of short mixed drinks requiring quick stirring with a standard bar spoon.
Quality Control & Inspection
|
Inspection Stage |
Testing Method & Standard |
|
Dimensional Sorting |
100% automated optical sensor measurement (+/- 0.5 mm) |
|
Thermal Shock |
Hourly sample testing at 60 deg C temperature differentials |
|
Stress Analysis |
Polariscopic inspection verifying annealing lehr cooling |
OEM Customization Capabilities
Private Tooling: Custom bottom embossing and geometric tapers developed within 25 days from final drawing sign-off to support exclusive brand identities.
Surface Decoration: High-temperature ceramic decals, organic spray colors, and acid etching capable of withstanding over 500 commercial dishwashing cycles.
Prototyping: 3D SLA computer-aided modeling and physical sample generation provided for client evaluation prior to mass production authorization.
Packaging & Export Logistics
Master Carton Configuration: 5-layer corrugated export cartons with individual 3-layer internal partition dividers to eliminate glass-to-glass contact during transit.
Palletization: Fumigation-free wooden or plastic pallets shrink-wrapped with corner protectors, stacked to a maximum height of 1.8 meters for container optimization.
Drop Test Compliance: Packaging configurations pass ISTA 1A drop test standards to ensure zero breakage rates across international ocean and land freight routes.
Frequently Asked Questions

