Vibrathane® B821

About
VIBRATHANE B821 is an MDI-Polyether prepolymer designed to maximize resilience and dynamic performance. VIBRATHANE B821 processes easily with 1,4 Butanediol and with HQEE curatives. Vibrathane B821 is characterized by: Excellent low temperature properties High abrasion resistance Outstanding hydrolytic stability High Resilience&&

Product Description
Supplier	Chemtura
Generic	PUR-脂肪族+MDI
Material Status	Commercial: Active
Features	Hydrolysis stability,Elastic,Good wear resistance
Availabilitys	North America,Latin America,Asia Pacific

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	1.09	g/cm³	ASTM D792

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shaw’s A	90		ASTM D2240

elastic body	Nominal value	Unit	Test method
tensile strength			ASTM D412
100% strain	7.31	MPa
300% strain	17.2	MPa
tensile strength	33.1	MPa	ASTM D412
Tensile strain
fracture	410	%	ASTM D412
tear strength
—	96.3	kN/m	ASTM D624
cracking	15	kN/m	ASTM D470
Compression deformation
70℃，22 hr	20	%	ASTM D395B
Basho’s elasticity	62	%	ASTM D2632

THERMAL	Nominal value	Unit
Thermosetting components
resin	按重量计算的混合比: 100
Hardening method	按重量计算的混合比: 7.5
storage stability	6.0 to 7.0	min
stripping time	45 to 60	min

Notes
【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials.

Notes

【 Disclaimer 】
Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials.