- Vennok Technologies Co., Ltd.
- China Manufacturer with main products:rubber chemicals ,rubber adhesive ,insoluble sulfur ,insoluble sulphur ,rubber vulcanizing agnt ,rubber additive ,rubber auxiliary agent ,rubber accelerator ,rubber antioxidant ,Phenolic Resin ,Rubber Auxiliary Agent ,white carbon black
Home > Products > Phenolic Resin > Resorcinol formaldehyde resin PN-20
Resorcinol formaldehyde resin PN-20
- 30000 Metric Ton / Metric Tons per Month
- Shanghai port / Qingdao port
- T/T L/C
- 10 days
Product Details
Brand Name: | Vennok | Place of Origin: | China | Model Number: | PN-20 |
Type: | Other, Brown granule | Other Names: | A250, GLR-20 | CAS No.: | 24969-11-7 |
Usage: | Rubber Auxiliary Agents |
Product Description
Resorcinol formaldehyde resin PN-20 / Resorcinol formaldehyde resin GLR-20 / Resorcinol formaldehyde resin A250
Introduction:
Other Name: Resorcinol-Formaldehyde Resin, Bonding Resin
PENORL® PN-20 is modified resorcinol formaldehyde resin.
PENORL® PN-20 is same as B-20-S, A250
CAS No.: 24969-11-7
Technical Specification:
Items | Unit | Specification |
---|---|---|
Appearance | – | Brown granule |
Heating loss | % max. | 0.7 |
Softening point | ℃ | 99-109 |
Free Phenol | % max. | 5.0 |
Ash Content | % max. | 0.5 |
pH Value (50% water solution) | – | 4-6 |
Solubility: | – | Water: completely insoluble Alcohols: completely soluble Ketones: completely soluble aromatic hydrocarbon solvents: partly soluble |
Performance:
As methylene acceptor adhesive, PENORL® PN-20 contains no free formaldehyde, and has low vapor pressure to reduce the volatile smog and loss of resorcinol when the processing temperature above 150℃.
When PENORL® PN-20 react with methylene donor (such as rubber adhesive MF510, MF520, RA-65, HMMM), then generate thermosetting resin, which effectively promote the adhesion between rubber and steel cord or fabric cord.
Application:
PENORL® PN-20 resin can be used as methylene acceptor adhesive to replace the resorcinol monomer.
Suggested ratio: 2-5 phr PENORL® PN-20 resin can be used with 2-5 phr methylene donor (such as rubber adhesive MF510, MF520, HMMM, RA-65).
* Please be noted that PENORL® PN-20 resin doesn’t work without methylene donor.
Packing and Storage:
1. It is packed in Kraft paper bags lined with plastic film, net weight is 25kg/bag.
2. It should be stored in a cool, dry warehouse.
3. The shelf life is 12 months.
Contact Us
- Vennok Technologies Co., Ltd.
- Contact nameGreg
- Phone86-21-54009031
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