Rubber to Metal Bonding Adhesive 823GB

(Equivalent to Chemlok 220LF/6125, Chemosil 222/225, Thixon 520/526)

Rubber to metal bonding adhesive 823GB is a secondary adhesive designed for use over 815 primer. This adhesive system will bond uncured elastomers to metals and other rigid substrates during vulcanization of the elastomer. It is formulated without heavy metals and 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	Black Liquid
Viscosity @25℃, 77 ℉(Brookfield LVT Spindle 2, 30 rpm )	70-300 cps
Density	975.0-1000.0kg/m³
Solids Content by Weight	23-27%
Flash Point (Seta)	25-28°C
Solvent	Xylene
Shelf life	12 months in unopened containers (21-27°C (70-80°F))

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.

Primary Applications

Flexible Foams: Furniture cushioning, bedding, and automotive seating.
Rigid Foams: Energy-efficient insulation boards and cold chain panels.
Elastomers & Coatings: High-durability coatings, synthetic leather, and industrial seals.

Shelf Life/Storage

Shelf life is 12 months from date of shipment when stored at ＜ 37℃ in original, unopened container. Do not store or use near heat, sparks or open flame.

Precautions

This product is volatile, please close the container after use.
Solvent steam is harmful, pay attention to fire prevention in the workplace, pay attention to low ventilation, prevent long-term inhalation or long-term skin contact.
Please refer to SDS for more safety information.

Frequently Asked Questions (FAQ)

Q1: Do you have technical guidence for the application?

A: Yes, we have the official technical guidence for the application.And we can provide you fully technical support as well.

Q2: Do you provide COA and MSDS for every shipment?

A: Yes, every batch is delivered with its specific Certificate of Analysis (COA) and the latest Material Safety Data Sheet (MSDS) to ensure local regulatory compliance.

Q3: What is the minimum order quantity (MOQ)?

A:The MOQ depends on the specific type of packing. Normally one pallet is the MOQ.