Rubber to Metal Bonding Adhesive 815GB

(Equivalent to Chemlok 205, Chemosil 211, Cilbond 10E/12E, Thixon P11, Megum 3276)

Rubber to metal bonding adhesive 815GB is designed for use under cover coat adhesives to bond a wide variety of vulcanized and unvulcanized rubber compounds to metals and other rigid substrates. It is composed of a mixture of polymers, organic compounds and mineral fillers dissolved or dispersed in an organic solvent system.

Technical Specifications

Item	Key Characteristics
Appearance	Grey Liquid
Viscosity, cps @ 25°C (77°F)	Brookfield LVT Spindle 2, 60 rpm 200-1000
Solids Content by Weight, %	27-30
Flash Point (Seta), °C	20.5

Applicable Range

Used as a primer adhesive and combined with a cover coat adhesive, it can firmly bond elastomers to various types of substrates. Suitable for the following substrates:
Metals: carbon steel, stainless steel, aluminum, copper, zinc, titanium, magnesium, lead, and various alloys.
Non-metals: nylon, fiberglass, polytetrafluoroethylene, rubber, plastic, fabric fibers, glass, ceramics, etc.
Can be used as a one-coat adhesive to bond some nitrile rubber compounds to rigid substrates during vulcanization.

Frequently Asked Questions (FAQ)

Q: What international products is 815GB equivalent to?
A: 815GB is a direct equivalent to Chemlok 205, Chemosil 211, Cilbond 10E/12E, Thixon P11, and Megum 3276. It delivers comparable primer performance for rubber-to-metal bonding applications while offering a cost-effective alternative with full compliance to GB 33372-2020 environmental standards.
Q: Can 815GB be used as a standalone one-coat adhesive?
A: Yes, 815GB can be used as a one-coat adhesive to bond certain nitrile rubber (NBR) compounds to rigid substrates during vulcanization. However, for most rubber types and demanding applications, it is recommended as a primer used in combination with a cover coat adhesive (such as 829GB) to achieve maximum bond strength and durability.
Q: What is the recommended dry film thickness when applying 815GB?
A: The recommended dry film thickness for standard applications is 5-15 μm. For harsh environments requiring enhanced protection, a thickness of 10-15 μm is recommended. Apply a uniform layer using brush, dip, roller, or spray methods to avoid excessive overflow and ensure consistent bonding performance.
Q: What safety precautions should be taken when handling 815GB?
A: 815GB contains organic solvents (MIBK/Xylene) and is volatile. Always use in a well-ventilated area with proper fire prevention measures. Avoid prolonged inhalation of solvent vapors and direct skin contact. Keep containers tightly sealed when not in use, and store below 37℃ away from heat, sparks, and open flames. Refer to the SDS for detailed safety information.