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GLR-20
Overview

GLR-20 resin is a modified resorcinol formaldehyde resin. As methylene acceptor adhesive, it contains no free formaldehyde, and features low vapor tension.

Technical Data

Appearance                                  brownish red granular or brownish black powder 
Heating loss %                                                                 ≤0.7 
Softening point ℃                                                           99 ~ 109 
PH(50% aqueous solution)                                              4 ~ 6 
Solubility : water                                                      completely insolulbe 
                   alcohols                                                 completely solulbe 
                   ketones                                                  completely solulbe 
                   aromatic hydrocarbon solvents         partly soluble

Application

1. GLR-20 resin can be used as methylene acceptor adhesive to completely take the place of resorcinol monomer. Application range: manufacture of abrasive paper, abrasive wheel, adhesion of plywood etc. 
2. Suggested ratio: 100 poses sizing material : 2-5 poses GLR-20 resin : 2-5 poses Rubber adhesive RA, RA-65, GLR806 or other methylene donors.

Packing & Storage

1. In paper bag lined with PE bag, net wt. per drum is 25Kg. 
2.  Check if the packing is perfect without any damage. Stored in dry, clean and cool warehouse; dampness and heating is strictly prohibited. 
3. Shelf life is one year.

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