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{"title":"B2 Grade Fire Retardant Polyurethane Foam Insulation","imgUrl":"https:\/\/img.chinax.com\/nimg\/87\/b6\/a948fa4221e600c6623d315c7ba8-200x200-1\/b2_grade_fire_retardant_polyurethane_foam_insulation.jpg","attrs":{"Brand Name":"EXCEEDCHEM","Model Number":"pu rigid foam","Certification":"ISO9001:2018","Place of Origin":"China"}}
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{"title":"PU High Resilience Material For Automotive Seats","imgUrl":"https:\/\/img.chinax.com\/nimg\/da\/e0\/7d0aa4c0041b655c0df43997ebe6-200x200-1\/pu_high_resilience_material_for_automotive_seats.jpg","attrs":{"Application":"Automotive Seats","Mixing Ratio":"Polyol-A\/ISO-B=100:(70-85)","Appearance (A)":"Milky viscous liquid","Appearance (B)":"Brown Liquid"}}
{"title":"Air Filter PU System Polyurethane Rigid Foam","imgUrl":"https:\/\/img.chinax.com\/nimg\/79\/1d\/b37e87c0a64c0331e359018a619f-200x200-1\/air_filter_pu_system_polyurethane_rigid_foam.jpg","attrs":{"Brand Name":"EXCEEDCHEM","Model Number":"PU system for air filter","Certification":"ISO9001:2008","Place of Origin":"China"}}
MDI Based PTMEG PU System For Microcellular Polyurethane (MC-PU) For Manufacturing Automotive Suspension Jounce Bumper
This MDI-based PTMEG system is specifically designed for manufacturing microcellular polyurethane automotive suspension jounce bumpers, offering excellent hydrolysis resistance and high strength characteristics.
Key Characteristics
Good hydrolysis resistance
High strength performance
Applications
Marine fender
Shock absorption mat
Typical Properties of PU Matrix
Product Name
Appearance
Viscosity (mPa*s/40℃)
Density (g*cm⁻³/40℃)
Package Specification (kg)
A-1170
Liquid
600~1000
1.01~1.02
190
B-6003
Yellowish transparent liquid
500~700
1.08~1.2
225
Materials Preheating Requirements
A-1170: Preheat at 60~70℃ for 8~12 hours
B-6003: Preheat at 60~70℃ for 8~12 hours
Typical Processing & Reaction Parameters
Test Item
Parameter Value
A/B Raw Material Temperature (℃)
30~35 / 35~40
Mix Ratio (by weight)
A + 40g XC-2 + H₂O : B = 100 : 103~105
Cream Time (s)
8~10
Foam Peak Temperature (℃)
60~70
Free Rise Density (g/cm³)
0.30~0.35
Mold Temperature (℃)
35~45
Demold Time (min)
7~9
Auxiliary Material Addition Dosage
XC-2: 2.85Kg ± 0.5Kg per 190kg A-1170
Deionized Water: 0.3Kg ± 0.1Kg per 190kg A-1170 (adjust according to actual production)
Overall Molded Physical Properties Range
Item
Index Range
Molded Density (g/cm³)
0.50~0.70
Hardness (Shore A)
70~90
Tear strength (kN/m)
29.5~44.5
Tensile strength (MPa)
8.0~11.0
Elongation (%)
335~450
Physical Properties Before Hydrolysis Test
Test Specimen: 6mm thick sheet
Item
Test Result
Density (g/cm³)
0.6
Hardness (Shore A)
80
Elongation (%)
350
Tear strength (kN/m)
37.8
Tensile strength (MPa)
8.3
Physical Properties After 7 Days Hydrolysis Aging
Test Specimen: 6mm thick sheet Hydrolysis Test Condition: 80℃, 95% relative humidity
Item
Test Result
Density (g/cm³)
0.6
Hardness (Shore A)
75
Elongation (%)
396
Tear strength (kN/m)
37.0
Tensile strength (MPa)
8.2
Physical Properties After 14 Days Hydrolysis Aging
Test Specimen: 6mm thick sheet
Item
Test Result
Density (g/cm³)
0.6
Hardness (Shore A)
70
Elongation (%)
412
Tear strength (kN/m)
35.9
Tensile strength (MPa)
8.0
Shelf Life
Material Model
Shelf Life
A-1170
6 Months
B-6003
6 Months
XC-2
6 Months
XC-100
6 Months
Important Notes
All data listed in this document are for reference only
Final technical indicators shall be subject to actual production test results
Please contact our technical team if customized physical performance requirements are needed
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
2013
Total Annual:
10000000-20000000
Employee Number:
50~100
Ecer Certification:
Verified Supplier
Qingdao Exceed Fine Chemicals Co., Ltd is a high-tech enterprise that integrates manufacturing and trading. We specialize in the production of polyurethane-based products.
Our company is dedicated to investing in research and development of cutting-edge products, collaborating with leading Chines...
Qingdao Exceed Fine Chemicals Co., Ltd is a high-tech enterprise that integrates manufacturing and trading. We specialize in the production of polyurethane-based products.
Our company is dedicated to investing in research and development of cutting-edge products, collaborating with leading Chines...