Nano Silver antibacterial agent RHA-3 used in coating

broad antibacterial ability extra security heat resistant ultra-fine powder with even size chemical performance is stable

Nano Silver Antibacterial Agent RHA-3

 

Introduction of product

 

Nano Silver Antibacterial Agent is a kind of broad antibacterial agent which is made by silver

and carrier. Carrier is phosphate and silver is put into the carrier. The antibacterial agent is

effective, safe, and heat resistant. The appearance is white ultra-fine powder with even size. The

product can be mixed evenly in fiber, film, plastic and colophony, and dissolved well in coating

and porcelain. The physical and chemical performance is extremely stable.

 

Technical index

 

The following are typical performance RHZL-3, but they can not as detailed parameters of the final products.

Type	Appearance	White intensity	Content of silver	Average size(μm)	Content of water
RHA-1	White powder	≥90	9.0%	≤1.5	<1.0%

 

Antibacterial Effect

 

RHA-3 have super broad antibacterial capability to sterilize and restrain all kind of hurtful microbes. The following table indicates the maximum restrain growth concentration (MIC) mg/kg.

Microbes	Escherichia coli	Staphylococcus	Candida albicans
Properties	Index microbes causing food and water pollution	Microbes causes suppuration, septicemia	Pathogenic yeast causing candidiasis
MIC	50	50	80

 

Permanence of Antibacterial Effect

 

RHA-3 have extra lasting and effective antibacterial capability, keeping excellent antibacterial effect after water and light resistance experiments.

		Without antibacterial treatment	72hr after water resistance	300hr after light resistance
Microbes number before experiment(cfu/ml)	3.5×105
Microbes number after 24hr (cfu/ml)	PP not adding RHA-3	1.2×107	1.0×107	2.3×107
	Adding RHA-3 1.0%	<10	<10	<10

 

Security

 

RHA-1 have passed all kinds of examinations which are affirmed have extra security.

 

Esam item	Acute toxicity after mouth LD50 (mg/Kg)	Skin irritant exam	Heat resistance capacity (maximum temperature )
	>5000	Not irritant	1300°C

 

Advised scope Application

 

According to the request of end users for antibacterial effect and properties of different

materials, the advised dosage is 0.5%-1.0%.

 

Scope of application

 

Fiber, rubber, coating, textile etc.

 

Note:

Packaging and storage:

Adopt three in one packaging. 20 kg / bag.

Store in a cool and ventilated place, the shelf life is 12 months.

Description: Nafur ™ logo is registered by Shanghai Higoal New Material Technology Development Co., Ltd. Manufacturers who buy goods from Nafur ™   enjoy the technical service support of Shanghai Higoal New Material Technology Development Co., Ltd. We provide professional and technical service support. Please feel free to call the company's business or technical services for technical support, contact information is 86-21-64109022.

Nano Silver antibacterial agent RHA-3 used in coating