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What is the OCA optical glue
作者: 发布于:2014-12-15 15:21:27 点击量:

 OCA Optical glue: OCA (Optical ClearAdhhesive) used for cementing transparent Optical element (such as lens, etc.) of the special adhesive. With colourless transparent, light through

Rate is above 90%, cementing strength is good, can at room temperature or under medium temperature curing, and there is a cure to narrow, etc.

OCA is, in short, with a layer of special optical transparent tape!

 

OCA optical glue is one of the important touch screen raw materials. Made no optical acrylic adhesive backing material, then at the bottom, then the laminating layer from type membrane, is a kind of base

Joint tape material. It is the best adhesive of touch screen.

Its advantage is clarity, high transmission of light (the light penetrating rate > 99%), high adhesion force, high weather resistance, water resistance, high temperature resistant, anti-ultraviolet, controlled thickness, to provide uniform

Spacing, use for a long time will not produce yellow (yellowing), stripping and modification.

OCA optical glue is divided into two categories, one kind is resistive, one kind is capacitive, resistive optical glue according to the thickness and different can be divided into 25 and 50 um um, capacitance type optical

Is divided into 100 um, um, 100 200 um.

Optical cement according to the different thickness can be applied to different fields, its main purpose is: the electronic paper, transparent device bonding, projection screen assembly, aerospace and military optics group

Outfit, display assembly, lens assembly, resistive touch screens G + + F, F + F, F, capacitive touch screen panel, ICON and glass and polycarbonate plastic material such as joint is used to glue

"Transparent optical element (such as lens, etc.) of the special adhesive. Requirement is colorless, transparent, light transmittance over 90%, cementation strength is good, can at room temperature or under medium temperature curing, and

There is a cure to narrow, etc. Organic silicone rubber, acrylic resin and unsaturated polyester, polyurethane, epoxy resin adhesive can bond optical element, etc. Usually in the preparation

Add some treatment to improve its optical performance or reduce the curing shrinkage rate. Suitable for fixed around move the machine according to various kinds of thin film, the screen (acrylic, glass screen, touch

Screen, etc.).




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