Pop up Bathtub Drain, Spring Bath Waste Valve

SPEC.

1, Material: Plastic and stainless steel
2, Function: Pop up /spring drainer
3, Center distance: 60cm
4, With the tube
5, OEM is available.

Packing: by standard exporting carton. 
50 pieces / carton.


 

Bk7 Meniscus Lenses, Meniscus Lenses ,positive meniscus lenses, negative meniscus lenses ,Meniscus Concave Lens

Our company can produce many kinds of flat convex Spherical Mirrors with different sizes, radii and base materials, flat convex spherical Mirrors , flat concave spherical mirrors, double convex spherical mirrors, double concave spherical mirrors, meniscus spherical mirrors and other ordinary spherical mirrors. Special spherical mirror can also be processed, such as: achromatic spherical mirror, aspheric surface and spherical mirror group.
Materials: optical glasses such as flint glass, ultraviolet fused quartz and infrared fused quartz, as well as optical crystal materials such as calcium fluoride (CaF2), germanium (Ge), Zinc selenide (ZnSe) and silicon (Si)
Focal length: ±5mm -- ±1000mm±1%
(Germany TIROPTICS OPTOMATIC2000 test)
Outer circle: 4mm -- 200mm±0.1mm
Center thickness tolerance: ±0.1mm
Center deviation: 3-5 points
Surface accuracy: /2@
Surface quality: 40/20
Effective diameter: 90%
Plating film: according to customer requirements can be coated
In addition, we have more than a thousand kinds of standard products, and some of the standard products in stock to meet your needs

BK7 Meniscus Lenses

Bk7 Meniscus Lenses,Meniscus Concave Lens,Meniscus Correction Lens,Meniscus Cylindrical Lens

Gold Dragon Optics Electronic Technology CO.,Ltd , https://www.golddragon-optics.com