China best price of polyurethane resin,polyurethane casting resin

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$7.20 - $8.20 / Kilograms | 200 Kilogram/Kilograms (Min. Order)
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Overview
Quick Details
CAS No.:
-
Other Names:
-
MF:
-
EINECS No.:
-
Place of Origin:
Guangdong, China
Classification:
Double Components Adhesives
Main Raw Material:
Polyurethane
Usage:
Construction, Fiber & Garment, Footwear & Leather, Packing, Transportation, Woodworking
Brand Name:
Rongxingda Silicone
Model Number:
PU-12
Type:
polyurethane resin
Product name:
polyurethane resin
Item:
PU-12
Appearance:
Off-White
Mixing ratio:
1:1
Hardness:
75D
Application:
making mold for toys,crafts,machinecase and so on
Features:
fast curing
Shelf life:
12 Months
Certificate:
ISO, SGS, REACH, ROHS, FDA
Sample:
Available
Supply Ability
Supply Ability:
8000 Kilogram/Kilograms per Month polyurethane casting resin
Packaging & Delivery
Packaging Details
1kg/ drum; 5kg/drum; 25kg/drum;
Port
Shenzhen, China
Product Description

 1.Feature:

Pu rubber is two-part compounds that vulcanizes at room temperature.With 100% polyurethane resin properties. Containing no contain solvent,after curing, it will be forming a is light yellow clear also glittering layer.it's used extensively in industry, voltage transformer potting. A/B after curing

,it has excellent weatherability and resistance to UV - irradiation.Environmentally product,when in the sunshine,it can't change the color within short time.

2.Product characteristic description

PArt A is multi isocyanate compound,part B is polybasic alcohol compound,we can adjust

the hardness,working time ,curing time and viscosity with your references,meet the different needs whatever produced by machine or manul

Composition:

Part A 1. isocyanate R-N=C=O 2.polybasic alcohol R-[O-CH2-CH]nOH

part B 1.polybasic alcohol R-[O-CH2-CH]nOH 2: Isocyanate R-N=C=O

3.Catalytic agent C8H8HgO2;CH3COOC6H5Hg

 

Color

part A :Colorless Transparent Liquid, PartB: Pale yellow viscous liquid

Viscosity(25℃)

partA:curing agent:4000±50Mpa.s Part B : Bases:1900±50mpa.s

After mixing the viscosity: 2900±50 mPa·s

Density(25℃)

Part A: 1.01±0.05 g/cm3

Part B: 1.00±0.05g/cm3

Mix ratio

‘1:1

’10:9

‘10:8

Working time

19mins

22mins

25mins

Curing time

1hrs

2hrs

4hrs

Characteriatical after curing :

Unit or test condition (eye- measurement )

Hardness(shoreA

70±5

63±5

55±5

Apperance

Light yellow transparent surface, smooth without ripple

Density After curing

1.10±0.05g/cm3

Elongation

200%

ISO 527

Water absorption

≤0.2%

After 30 days of immersion

Temperature range

’-30℃~80℃

 

 

Weatherability

Aging and weather test in short time,coll

oIrradiation(340nm):0.5w/m2;

color doesn't change to yellow.no oil on the surface,no pulverization

Relative humidity:(60~80)%

Curing time: constant temperature 25 ºC,Mix ratio 1:1,working time :19mins,Curing time: 1hr . Mix ratio 10:9,working time:22mins, Curing time:2hrs. Mix ratio:10:8 working time:25mins, Curing time 4hrs.when temperature reduced,curing time will be increased;Recommended to use heating cure,temperature : 60~70℃

Storage life:12month( Store at room temperature 15℃ to 25℃ in sealed drum).Once opened

the storage life is 3 month (Recommended to use after open it as quickly as possible)

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