Customized Material Rubber Bottle Plug Custom Colored Round Rubber Stopper

Products Description

Rubber stoppers are not only manufactured from natural rubber but also from different types of synthetic rubber. Some of the rubber used for making rubber stoppers are as follows:

Natural Rubber

Styrene Butadiene Rubber (SBR)

EPDM Rubber (Ethylene Propylene Diene Monomer)

Neoprene

Nitrile Rubber (NBR)

Silicone Rubber (SiR)

Solid Rubber Stoppers- Solid rubber stoppers are generally used for beer and wine equipment. These types of rubber stopper are also handy for other projects around the house. Solid rubber stopper sizes vary from size 000 through size 15

One-hole Rubber Stoppers- One hole rubber stops are generally used as laboratory stoppers. They are available with the rubber stopper manufacturers, generally in standard and custom sizes.

Two-hole Rubber Stoppers- These sturdy rubber stoppers are also lab-grade corks that are used for test tubes and flasks that contain liquids. They fit tightly to and prevent any kind of chemical leaks.

Certificate

Name	Photo	Authority
NSF		NSF is specialized in standard setting, product testing and certification services in the fields of public health, safety and environmental protection, and is an authoritative body in the field of public health and safety
KTW		The supplier is required to comply with DVGW (German Gas and Water Association) Regulation W 270 "Propagation of microorganisms on Non-metallic materials". This standard mainly protects drinking water from contamination with biological impurities. All drinking water systems and excipients exported to Europe must be KTW certified. Therefore, if Chinese drinking water systems and excipients are to be exported to European countries, they must pass KTW certification. KTW has been authorized by the World Health Organization (WHO) for the certification of safe drinking water.
WRAS		WRAS(Water Regulations Advisory Scheme) certification refers to the Water Regulation Advisory Scheme. WRAS is the certification of the safety of drinking Water in the UK.
UL		Founded in 1894, UL has become one of the world's leading testing and certification organizations with a complete set of management systems, standard development and product certification procedures.
SGS		SGS certification refers to the service that SGS performs compliance certification on targets according to standards, regulations, customer requirements and other conditions. To carry out relevant certification, we must pass inspection, testing, authentication, certification and other means (SGS certification itself is not a certification, but refers to the certification service of SGS).