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High Water Stability Urea Formaldehyde Powder Glue for Pelletized Feeds
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Meorient Import & Export Co.LTD
China - Hangzhou
Trading Company
Trade Capacity
Export Percentage
Nearest Port
Hangzhou,Shanghai
Accepted Delivery Terms
Employees
5-10人
Accepted Payment Currency
USD,CNY
Average Lead Time
45 Day(s)
Certifications
Product Specifications
--Product Description
High Water Stability Urea Formaldehyde Powder Glue
for Pelletized Feeds
Product Overview
What is Urea Formaldehyde resin
Urea formaldehyde (UF) is a cost-effective thermosetting resin that is widely used in the wood product industry. In the laboratory, urea formaldehyde resins are prepared by treating urea with formaldehyde in an alkaline or neutral medium to produce dimethylol urea, which then undergoes polycondensation, a chemical process that results in a polymer, when heated in an acidic medium.
Application
These resins cure easily and are scratch resistant. They are mainly used in adhesives, finishes, particle board, MDF, and molded objects. UF and related amino resins are considered a class of thermosetting resins of which urea-formaldehyde resins make up 80% produced globally.
Main Technical Specification:
Commodity: Urea formaldehyde resin powder | ||||
Appearance | White powder | |||
Item | Specification | Result | ||
Viscosity 25℃ | 3000——4500CPS | 4000CPS | ||
Solid Content | ≥95％ | 98% | ||
Formaldehyde emission | ≤1.5 | 1 | ||
Volatile substance | ＜2 | 1.9 | ||
Moisture content | ≤2 | 1.8 | ||
PH | 6-8 | 6.6 | ||
Specific gravity 25℃ | 1.220g/cm3 | 1.1 | ||
Mesh size | 80mesh | 90% min pass | ||
Usage and Dosage Method:
1. Pretreatment for gluing wood material:
A) Moisture content reach to 10 + 2%
B) Remove Knots, Cracks, oil stain and resin etc.
C) Wood surface must be flat and smooth. (Thickness Tolerance<0.1mm)
2. Mixture:
A) Mixture Ratio (weight): UF Powder: Water=1: 1(Kg)
B) Dissolution Method:
Put 2/3 of the total needed water into mixer, and then add UF powder in. Switch on the mixer with speed of 50~150 rotations /minute, after glue powder being completely dissolved in water, put the remained 1/3 water in mixer and stir for 3~5minutes till glue to being completely dissolved.
C) Workable period of dissolved liquid glue is 4~8 hours under room temperature.
D) The user could add hardener into the mixed liquid glue according to actual requirement and control the active period of dissolved (if add hardener, the period of validity will be short, and if use under a heat temperature, no need to add hardener)
A) Moisture content reach to 10 + 2%
B) Remove Knots, Cracks, oil stain and resin etc.
C) Wood surface must be flat and smooth. (Thickness Tolerance<0.1mm)
2. Mixture:
A) Mixture Ratio (weight): UF Powder: Water=1: 1(Kg)
B) Dissolution Method:
Put 2/3 of the total needed water into mixer, and then add UF powder in. Switch on the mixer with speed of 50~150 rotations /minute, after glue powder being completely dissolved in water, put the remained 1/3 water in mixer and stir for 3~5minutes till glue to being completely dissolved.
C) Workable period of dissolved liquid glue is 4~8 hours under room temperature.
D) The user could add hardener into the mixed liquid glue according to actual requirement and control the active period of dissolved (if add hardener, the period of validity will be short, and if use under a heat temperature, no need to add hardener)
Storage
1. Powder urea formaldehyde resin should be kept under seal to avoid direct sunlight and to prevent contact with moisture
2. Powder urea formaldehyde resin accidentally splashed into the eyes, use plenty of water washing, if necessary, seek medical advice
2. Powder urea formaldehyde resin accidentally splashed into the eyes, use plenty of water washing, if necessary, seek medical advice
Packing & Delivery
Contact us
Contact | Sandy Shan |
Whatsapp /Wechat | +86 17662566736 |
Tel | +86 17662566736 |
Email | sandy@chemcola.com |
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