Liquid Silicone Rubber Mateials for O-Ring Gasket

Payment Terms: L/C, T/T
Liquid Silicone Rubber Mateials for O-Ring Gasket

Product Description

Liquid silicone rubber mateials for O-ring gasket
Basic modle: LIM1939-20AH/BH, LIM1939-23AM/BM, LIM1939-40AF4/BF4, LIM1939-46AD/BD, LIM1939-56AE/BE, LIM1939-60AEX/BEX, LIM1939-70ASX/BSX, LIM1919-50A/B, LIM1919-60A/B
Product Description
LIM1939-XXA/B and LIM1919-XXA/B are 2-part liquid silicone rubber catalyzed by platinum with long usable life and excellent performance, suitable for injection molding processes.

Key Features
Outstanding oil or water - proof performance.
Outstanding weather resistance.
High tear strength.
Outstanding resistance to aging.
Low yellowing.
The safe operating period is 5 days under airproof condition and 20ºCafter mixing component A and B, the safe operating period will decrease with the increasing of the temperature.

Applications
O-ring gasket for industrial sealed parts
Packaging
LIM1939-XX A/B and LIM1919-XXA/B serial products are available in 20 kgs pails or 200 kgs drums.
Typical Properties

Remarks
The product should be closed tightly, protected from light and moisture, the shelf life is 12 months.
These figures are for reference only, please contact us for detail.
Properties            Test method          Unit LIM1939-20  AH/BH LIM1939-23AM/BM LIM1939-40AF4/BF4 LIM1939-46AD/BD LIM1939-56AE/BE LIM1939-60AEX/BEX
Appearance       transparent transparent transparent transparent red transparent
Mixing Ratio(A:B)     1:1 1:1 1:1 1:1 1:1 1:1
Viscosty            DIN53019 mPa.s A:1250000  B:1300000 A:990000  B:1000000 A:1150000  B:1140000 A:1300000  B:1200000 A:1200000  B:1100000 A:1500000  B:1400000
Shore A hardness           D2204 °A 28(29.5) 21(22) 41(45) 44 49 61
Tear strength    D624B KN/M 20.0(38.0) 12.4(16.0) 27.6(31.7) 27.9 30.9 48
Tensile strength D412 Mpa 10.3(9.98) 6.93(7.28) 10.02(10.04) 9.28 9.91 7.99
Elongation at break     D412 % 930(960) 960(997) 792(784) 603 673 453
Tensile set D412DIEC % 3.86(4.12) 4.44(3.8) 2.9(3.68) 5.32 4.32 1.47
Linear shrinkage rate JISK6301 % 1.74(2.41) 2.22(2.66) 2.32(2.57) 2.02 2.17 2.06
Rebound   % 50(46) 48(45) 60(58) 60 62 71
TC90   SEC 33S:145ºC 33S:145ºC 42S:145ºC 41S:145ºC 42S:145ºC 37S:145ºC
  SEC 38S:155ºC 28S:155ºC 32S:165ºC 31S:165ºC 31S:165ºC 39s:165ºC
The values in parenthesis for post cure results
Properties            Test method          Unit LIM1939-70ASX/BSX LIM1919-50A/B LIM1919-60A/B      
Appearance       transparent lvory-white lvory-white      
Mixing Ratio(A:B)     1:1 1:1 1:1      
Viscosty            DIN53019 mPa.s 180000 1200000 1400000      
Shore A hardness           D2204 °A 65.5 52.5 56      
Tear strength    D624B KN/M 33.6 22.6 24.5      
Tensile strength D412 Mpa 9.13 8.37 6.26      
     
Elongation at break     D412 % 400 575 427      
Tensile set D412DIEC % 1.84 5.48 7.34      
Linear shrinkage rate JISK6301 % 2.02 2.28 72.05      
Rebound   % 71 63 67      
TC90   SEC 34S:145ºC 31S:165ºC 34S:135ºC      
  SEC 32S:165ºC      

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