Chinese wholesale Block Foam& Pouring - Quasi MDI-terminated system – INOV

Product Detail

Quasi MDI-terminated PTMG system

DESCRIPTION Component: DY2513 is consist by Components ABC. Component A is polyol, B is polyurethane prepolymer which ended up with isocynate, C is chain extender. Characteristic: The final product enjoys good anti resistance ability, good rebound. And the hardness can be adjusted by the different ratio. The color can be adjusted by pigment. Application: This material was used to produce Polyurethane sieves, PU rollers, cleaning pigs (discs) and other elastomer. SPECIFICATION

Type	DY2513-B		DY2513-A			DY2513-C
NCO/%	13.1
Operation temperature /℃	45		50			45
Viscosity mPa·s/	800		1200			30
Prepolymer	DY2513-B
Chain extender	DY2513-A﹢DY2513-C
Hardness /shore A	60	65	70	75	80	85	90	95
DY2513-B（ratio, by weight ）	100	100	100	100	100	100	100	100
DY2513-A（ratio, by weight ）	180	150	120	100	80	60	40	20
DY2513-C（ratio, by wight）	5.7	7	8.4	9.3	10.2	11.1	12	12.9
Catalyst/total amount A+B+C %	0.6	0.6	0.6	0.45	0.3	0.3	0.24	0.24
Mold temperature/℃	100
Gel time/min	2^，30	2^，30	2^，20	2^，20	2^，30	2^，30	2^，10	2^，10
Open Mold Time/ min	60	50	40	40	40	40	40	40

Quasi MDI-terminated Polyester system

DESCRIPTION

It is used to produce Polyurethane sieves, PU rollers and other elastomer. It should be processed by mid-temperature casting machine.

The final product enjoys good anti resistance ability, good rebound. And the hardness can be adjusted by the different ratio. The color can be adjusted by pigment. Application: automotive kits, pipe cleaners, etc., polyurethane large or small product components. SPECIFICATION

Type	DY3516-B			DY3516-A				DY3516-C
NCO/%	16.5±0.2
Operation temperature /℃	45			70				45
Viscosity mPa·s/	700			730				30
Prepolymer	DY3516-B
Chain extender	DY3516-A+DY3516-C
Hardness /shore A	55	60	65		70	75	80		85	90
DY3516-B(ratio, by weight）	100	100	100		100	100	100		100	100
DY3516-A(ratio, by weight）	380	180	160		130	110	100		80	60
DY3516-C(ratio, by weight)	0	9.1	10		11.4	12.3	12.7		13.6	14.5
Catalyst/total amount A+B+C %	0.4	0.4	0.4		0.4	0.3	0.3		0.3	0.3
Mold temperature/℃	100
Gel time/min	5	5	5		5	5	4		4	4
Open Mold Time/ min	50	35	35		30	30	30		30	30
Post cure time(90℃)/h	16