Best Fused Silica Lense

QWORK Centrifugal Casting Crucible, 2 Pack Zirconia Casting Cup Machine Crucible Hooded for Dental Lab, Over 200 Times of Use

• High quality: QWORK Casting Cup made of fused silica and high-quality zirconia..
• High efficiency: Can be used more than 200 times by centrifugal casting machine, can be used about 20 times by high-frequency casting machine..
• Note: It is recommended that the melting temperature is not higher than 1371 degrees Celsius or 2500 degrees Fahrenheit..
• Widely used: Suitable for replacing the ceramic crucible of the centrifugal casting machine..
• Package include: 2 Pack Centrifugal Casting Crucible..

#80 Grit Aluminum Oxide Blast Media (8 LBS/3.6kg) - Premium Long-Lasting Sand Blasting Media, High Abrasive Force Sand Blaster Sand for Metal, Sandblasters, Blasting Cabinet, Blasting Guns - by TITGGI

• 【HIGH HARDNESS】Brown fused aluminum oxide is a mineral with a hardness of 9 on the Mohs scale (just below diamond), our aluminum oxide blast media will clean & etch on all types of surfaces including glass, granite, marble, ceramic and steel for fast, effective rust removal..
• 【LONG-LASTING】Aluminum oxide blast media won't break down as fast as glass blasting media and has a longer cycle life than most blast media. Lasts 10 times longer than silica and save your money..
• 【ECO-FRIENDLY】We provide you sand blasting media with strict quality standards, no free silica, 100% recycled of the sand blaster sand for metal, can be used wet or dry..
• 【PERFECT PACKAGING】We use a high quality white bucket for 8 LBS aluminum oxide blast media, you can easily carry and use it, without worry about damaged and leaked like carton..
• 【100% SATISFACTION GUARANTEE】If you are not satisfied with our aluminum oxide blast media, we will provide you a full refund or free replacement!.

Xcoser Daft Punk Mask Helmet 1:1 Cosplay Props Replica Thomas Bangalter Helmet

• You can see clearly through the optical lense on the front part.
• Head size: about 60CM.There is a layer of soft sponge pad inside the helmet, wearing comfortably.
• Including: A helmet+Xcoser logo Keychain.
• Material: the black part is PVC optical lense, the golden part is soft resin.
• XCOSER is World Top Brand for Cosplay Costumes and Accessories.

JOYGETIN Kinetic Desk Toys for Office,Office Decor,1.77” Spinner Ball Fidget Toys,Office Gift for Adults, Metal Kinetic Art Full Body Optical Illusion Spinner Ball Relieves Fatigue Stress

• Experience a motionless effect with a perfectly balanced and centred spin.
• Engineered with a hardened tempered fused silica glass with custom-designed concave shape engineered for the ForeverSpin collection. Optimal shape to reduce friction and help with stable spins.
• Precision-machined on a state-of-the-art CNC-lathe in a single operation using only the purest metals and alloys.
• High-grade stainless steel and tempered glass result in a strong and very durable spinning base.
• Can be flipped around to display a single spinning top for beautiful presentation and creative decoration.

Gelible 5 Graphite Crucible Kits, Graphite Crucible Silver Ingot Mold, Jewelry Melting Ingot Set, For Gold, Silver, Platinum, Crucible + Pliers + Bowl + Combined Ingot Torch Tube + Graphite Stirring R

• ⭐Made of modern ceramic processing technology, using high-quality fused silica as the main raw material, high purity, high strength, high density graphite material.
• ⭐High heat resistance, high shock resistance, corrosion resistance, long-term use.
• ⭐Manufactured by high-precision CNC machining, twice the durability of ordinary materials.
• ⭐It has wide range of applications and can be used for experiments and smelting of nonferrous metals. Such as gold, silver, copper, aluminum, lead and so on. Considering the size of the product, it is more suitable for small volume metal melting.
• ⭐Comes with: 1 x graphite rod, 1 x quartz crucible, 1 x clamp, 1 x square graphite, 1 x cylindrical graphite.

SeaDive Oceanways Superview-HD w/Anti-UV/Glare Optical Multicoating w/Anti-Fog Scuba/Spearfishing Dive Mask OM940BKSFF

Lightweight Reading Glasses,Flexible(Memory Plastic) Readers, Men and Women by Mcoorn

• Light: Frame and lense together weight is 14.2g.
• Size: Total Width:130mm/5.11inches Lense Width:49mm/1.9inches Bridge Distance:20mm/0.8inches.
• Elasticity: The flexible frame and temples make them even more comfortable.
• Portable:These are small, so they're perfect to keep in your purse, they take up less room.
• Anti-slipping: There is a silicon tips on the temple,when you lower your head, the glasses do not slip easily.

Lightweight Reading Glasses,Flexible(Memory Plastic) Readers for Men and Women by Mcoorn

• Light: Frame and lense together weight is 14.2g.
• Size: Total Width:130mm/5.11inches Lense Width:49mm/1.9inches Bridge Distance:20mm/0.8inches.
• Elasticity: The flexible frame and temples make them even more comfortable.
• Portable:These are small, so they're perfect to keep in your purse, they take up less room.
• Anti-slipping: There is a silicon tips on the temple,when you lower your head, the glasses do not slip easily.

Graphite Crucible Set,Geevorks 6 Pcs Ingot Mold Set High Purity Graphite Torch Melting Casting Tool for Scrap Jewelry Metal Gold Melting Refining Forge

• 【You Will Get】This 6 pieces graphite torch melting casting kit, including crucible bowl, tongs, trough, graphite stirring rod, rectangle graphite crucible and cylinder graphite crucible.【Please refer to the specific product size in the picture for the size.】.
• 【High Quality】Using modern ceramic processing technology and fused silica as main r-aw material, the graphite crucible has nice thermostability, high purity, high strength, corrosion and shock resistance..
• 【Multipurpose】These graphite ingot moulds are widely and commonly applied for experiments and smelting of non-ferrous metals, such as gold, silver, copper, aluminum, and much more..
• 【Graphite Crucible】Designed for melting applications.Stirring rods help you evenly mix and stir precious metals during melting.
• tongs are used to clamp metal casting mold under high temperature conditions..
• 【Casting DIY】Ideal for satisfying lab, test analysis and other purposes.
• Taking the product size into account, small-capacity metal melting projects will be more suitable..

Bruce Charles Designs Spinning Top Base 3.93” 100 mm Diameter - Double Concave Fused Silica Glass Optical Lens - 30cm/300 mm Focal Length Thickness 0.4” 10mm - Spin Top Glass Base Surface

• MAXIMUM SPIN TIMES. Made with fused silica. Harder, more smooth and durable than regular glass spinning top glass. Your spin top spins faster for....
• UNMATCHED QUALITY. Precision machined, solid double concave lens. Center of lens is 2.8mm thinner than the edges on either side. Heavier than most so....
• LOOKS EXCEPTIONAL. Frosted reducing glass lens edges. For that added clean look. Because every great looking precision spinning top can use a great....
• SUITS ALL SPIN TOPS. From our own line of spinning tops to the others in your collection. This elegant spin station surface can extend your spin time....
• NEW SPIN ON GIFTS. From serious EDC spin top enthusiasts, casual players or anyone looking to up their spinning top game. Click ADD TO CART to get the....

UUC X-Ring RDS Tactical Gear Shooting Range Accessories Shooting Range Card

• 【6-24X adjustable magnification】 Clearly observe hunting targets at different distances. Suitable for rapid shooting of moving and normal targets.
• 【50mm objective diameter】Wide Riflescope apeture provide wide field of view for you..
• 【Flip cover protect lens】 Updated hunting scope equipped two flip covers, which keep lens away from dust and increase long time.
• 【Multi-coated lense】Fully multi-coated lense with low light reflection which increases light transmmision to ofer bright and clearer images.
• 【Waterproof, shockproof】Our 6-24x50 Hunting rifle scope is made of high grade aluminum alloy. High quality material avoide water fog and dust, offer you a best experience for hunting.

SIPHEW Womens Mirrored Sunglasses Polarized-Fashion Oversized Eyewear with UV400 Protection for Outdoor

• UV400 PROTECTION & POLARIZED LENS: SIPHEW polarized sunglasses provide 100% protection against harmful UVA / UVB rays. Polarized sunglasses are....
• FASHION MIRRORED SUNGLASSES: Stylish mirrored lens with exquisite frame, SIPHEW womens’ mirrored sunglasses have unique style of patterns and....
• PRODUCT DIMENTION: Frame width--148mm/5.8inches.
• COMFORTABLE WEARING: Made of high quality PC and fine metal material, you don't have to worry about how long these sunglasses can be used, they are....
• NO WORRIES SHOPPING ONLINE: No longer have to worry about shopping online any more with SIPHEW sunglasses. With equal focus on fit, function &....

FEISEDY Night Driving Glasses Night Vision Aviator Anti Glare Eyewear for Men Women B2294

• A simple test to see if they are polarized and if you turn them on a 90 degree angle against a computer screen or strong sunlight they should turn....
• Light weight Frame with Spring Hinge is Durable and Ergonomics, more comfortable and user-friendly.Professional DESIGN for Night Driving, improve the....
• POLARIZED YELLOW LENSE-The yellow lenses reduce glare and enhances clarity just like high definition tv’s. Moreover, polarized lense will diminish....
• Product Measurements - Frame Width:65mm, Frame Height:49mm,[Manual measurement, there may be 1-3 mm deviation].
• 30 Days -- Satisfaction Ensuring. That is our promise. So, if you are not completely happy with your purchase within the first 30 days, just let us....