5ml UV Resistant Round Bottom Jar with Child Resistant Black Lids
5% off 5+ units. 10% off 10+. 15% off 25+. No code needed at checkout.
Volume: 5ml (approximately 0.17 oz) per jar.
Glass Type: UV-resistant (blocks light, protects light-sensitive contents).
Shape: Round bottom design for complete product recovery without waste.
Child-Resistant Certification: Push-and-turn black lid meets ASTM D3475 standards.
Lid: Black plastic child-resistant lid with food-safe silicone or foam gasket liner.
Best For: Light-sensitive concentrates, UV-degradable ingredients, potent extracts, specialty food products requiring dark storage.
UV-resistant glass blocks ambient light to protect contents from degradation. The round bottom eliminates dead space, and the ASTM D3475-certified push-and-turn lid keeps contents secure from children while remaining functional for adults.
What's Included
- One 5ml UV-resistant borosilicate glass jar with round bottom
- One black child-resistant lid with gasket liner
- Ready to use - no assembly
Key Features
- UV-resistant glass: Blocks light wavelengths that degrade light-sensitive ingredients, resins, and extracts.
- Round bottom design: Curved walls let users recover every last bit through simple scraping or natural flow.
- ASTM D3475 child-resistant: Two-motion push-and-turn lid certified for child safety compliance.
- 5ml (0.17oz) capacity: Perfect for light-sensitive samples, specialty extracts, or premium ingredients.
- Borosilicate glass: Chemically inert, won't degrade contents, thermally stable.
- Airtight gasket seal: Keeps contents fresh and odor-sealed for extended storage.
Applications and Use Cases
Resin makers store UV-sensitive epoxy and hardener in these jars, protecting formulations from degradation. Concentrate producers rely on UV-resistant glass to extend shelf life of volatile extracts. Specialty food producers package light-sensitive oils, extracts, and infusions. Craft enthusiasts store UV-reactive pigments and dyes away from light. Storage and botanical processors use UV-blocking jars to maintain potency during storage and retail display.
How to Use
- Rinse and dry the jar and lid thoroughly before first use.
- Fill the jar to just below the rim, leaving minimal headspace.
- Wipe the jar's rim clean with a lint-free cloth to ensure a tight seal.
- Press the lid down firmly, then twist clockwise until you feel slight resistance.
- To recover product, tilt and gently scrape the curved bottom or allow thicker contents to flow naturally to the opening.
- Store the jar in a dark location, in a cabinet, or wrapped to further minimize light exposure.
Specifications
| Specification | Details |
|---|---|
| Volume | 5ml (0.17 oz) |
| Shape | Round bottom |
| Dimensions | Approximately 1.25" diameter x 1.5" height |
| Glass Type | UV-resistant borosilicate (light-blocking, chemical-resistant) |
| Wall Thickness | 2-3mm borosilicate glass |
| Lid Type | Black plastic, ASTM D3475 child-resistant |
| Liner Material | Food-safe silicone or foam gasket |
| Weight (empty) | Approximately 22g |
| Dishwasher Safe | Yes (glass only; hand-wash lid) |
| Heat Rating | Glass rated to 400°F (204°C); lid not for oven |
| Certifications | ASTM D3475 child-resistant, food-safe borosilicate glass |
The 5ml UV Resistant Round Bottom Jar measures approximately 1.25" diameter by 1.5" height, is made from UV-resistant borosilicate glass with 2-3mm walls, and includes a black ASTM D3475-certified child-resistant lid with a food-safe gasket. The round bottom design minimizes product waste, and UV-resistant glass protects light-sensitive contents.
Compared to Alternatives
Clear glass jars let UV light degrade contents over time, reducing potency and shelf life. Plastic containers are cheaper but absorb and discolor with UV exposure. Standard borosilicate jars cost less but offer no light protection. The UV-resistant glass combined with round-bottom design makes these ideal for high-value, light-sensitive products where every gram and every week of freshness matters.
Frequently Asked Questions
Does UV-resistant glass completely block all light?
UV-resistant glass blocks the ultraviolet wavelengths that damage light-sensitive ingredients. It blocks UV-A and UV-B but isn't opaque. Contents are somewhat visible, and some ambient light does penetrate.
Is this jar truly child-resistant?
Yes. The lid includes an ASTM D3475-certified child-resistant mechanism. It requires two distinct motions to open and is tested to resist opening by children under 45kg.
Can I store UV-sensitive oils and resins in these?
Absolutely. UV-resistant glass extends shelf life of light-sensitive epoxy, hardener, and botanical extracts. Pair with dark storage (cabinet, wrapped, or box) for maximum protection.
Why choose UV-resistant glass over regular borosilicate?
UV-resistant glass protects ingredients that degrade under light. Such as UV-reactive dyes, sensitive extracts, and resin components. Regular glass offers no light protection.
Will the gasket seal fail with frequent opening?
The gasket is durable for 100+ cycles. Most users report effective sealing for 6-12 months of regular use. Replacement lids are inexpensive and easy to swap.
Can I autoclave or boil UV-resistant glass jars?
Yes. The glass can be boiled or autoclaved. The plastic lid should be hand-washed, not sterilized at high heat. Allow both to cool completely before resealing.
Care and Storage
It's simple: we'd suggest a quick rinse with warm water and mild soap. You're set for years if you don't let residue build up.
Rinse the jar with warm water before first use and air-dry completely. After filling, ensure the rim is clean and dry before capping. Hand-wash the lid and gasket with mild soap, then air-dry. Store jars in a dark location (cabinet, drawer, or wrapped) to maximize the UV-protection benefit. Avoid storing near windows or under bright lights.
Shipping and Returns
Orders ship within 1-2 business days from our Wisconsin warehouse. 30-day returns on unopened items. If a jar arrives chipped or with a defective lid, contact us for replacement.
Related Collections
Explore other UV-resistant and light-blocking jar options in our Glass Jars by Size collection. For resin crafts and epoxy storage, see our Resin and Epoxy Craft Supplies. Browse Craft Supplies for additional storage and organization solutions.
