Silicone foam materials te water absorption rate hi critical performance parameter a ni a, a nghawng thui tak a awm a, product rintlakna, service life, leh application scenario te chu direct-in a nghawng a ni. Water absorption rate 5% hnuai lam a nih avangin he characteristic hian high-End sealing, insulation, leh vibration damping application te tana silicone foam materials te thatna bulpui ber pakhat a ni. Quality indicator awlsam tak angin a thawk mai ni lovin, thil siamin khawvel boruak buaithlak tak tak, a bik takin humidity leh temperature inthlak danglamna nena inzawmte chu a takin a thawk thei em tih sawi lawkna atan key longevity metric angin a thawk bawk. Material thlan hunah chuan a hmangtute chuan application mamawh bikte atanga thlirin water absorption rate parameter chu an dah pawimawh ber tur a ni.
Tui absorption hian thil pakhat chu dinhmun thenkhata tui a lakluh theih leh a vawn theihna a teh a ni.
Tunah chuan a awmzia chu dimension hrang hrang a\\angin chipchiar takin i sawifiah ang:
1. Electrical performance-a nghawng (a awmzia pawimawh ber pakhat) .
Insulation Performance Degradation: Tui hi conductor tha tak a ni. Silicone foam material hian tui a lakluh chuan a electrical insulation performance tha tak chu nasa takin a tlahniam ang. Volume resistivity leh surface resistivity a tlahniam ang a, dielectric constant leh dielectric loss angle pawh a sang ang.
Short Circuit Risk: Electronic packaging emaw high voltage application-ah chuan moisture-absorbed sealing materials chuan duh loh conductive path a siam thei a, chu chuan component short circuit, leakage emaw breakdown emaw pawh a thlen thei a, chu chuan chhiatna nghet tak a thlen thei a ni.
Signal Integrity: High-frequency circuit-ah chuan material-te dielectric property hi a pawimawh hle. Tui lakluh hnua dielectric constant inthlak danglamna hian signal transmission speed leh quality a nghawng thei a, chu chuan signal distortion a thlen thei a ni.
A awmzia: Cable insulation, electronic product sealing, high frequency communication equipment gasket leh thil dang hmanna atan chuan, tui lakluhna rate hniam hi hun rei tak chhunga electrical reliability awm theihna tur life line a ni.
2. Mechanical property-a nghawng a neih dan .
Performance softening leh strength reduction: Tui hian plasticizer angin hna a thawk a, chu chuan material chu a ti nem a, a ti hring thei a, chu chuan a mechanical strength, hardness leh elastic modulus te a ti tlem thei a ni.
Dimensional stability a tlahniam: Tui a hip luh chuan material chu a zau a, tui a hloh chuan a inzawm khawm thin. Hetianga a lian leh te inthlak danglam nawn fo hian precision parts sealed emaw protected emaw te chu stress a thlen ang a, chu chuan assembly dik leh function a nghawng ang.
Long-Term aging: Temperature sang takah chuan tui inhal chuan polymer chain leh chemical reaction dangte hydrolysis a ti chak ang a, chu chuan permanent brittleness a thlen ang a, material a crack ang a, mechanical property a ti chhe zual ang.
A awmzia: Shock absorption pads, structural filling materials leh a dangte chu precision machinery atana hman a nih chuan, tui absorption rate hniam hi dimensional stability leh mechanical property vawng reng turin a pawimawh ber a ni.
3. Thermal performance a nghawng dan .
Thermal Conductivity Variation: Tui thermal conductivity (0.6 w/m·k vel) chu boruak still (0.026 w/m·k vel) leh silica gel (0.2 w/m·k vel) te nen a danglam a ni. Material te hian tui an lakluh chuan an thermal conductivity zawng zawng a danglam thin.
Heat dissipation-a nghawng tha lo: Foamed material chu heat-conducting gasket atan hman a nih chuan, a chhunga pores te chu tuiin a khat a, chu chuan original thermal management design chu a tichhia thei a, chu chuan heat dissipation efficiency a tihhniam bakah hmanrua hnathawhna temperature a nghawng thei a ni.
A awmzia: Thermal management hmannaah chuan stable leh controllable thermal performance hi a pawimawh hle a, tui lakluh tlem hian thermal emaw thermal insulation performance-a hun rei tak chhung a nghet thei a ni.
4. Chemical leh biological stability a nghawng dan .
Corrosion Promoters: Electronic hmanrua emaw, metal joint emaw-a moisture sealed hi internal metal components leh lines-te corrosion bulpui ber a ni thei.
Fungal growth: boruak lum, lum takah chuan thil porous tak takte chu moisture absorb hnuah mold leh microorganisms te tan a lo piang thei a, chu chuan faina a nghawng mai ni lovin, an metabolites hmangin material dangte pawh a tichhe thei bawk.
A awmzia: Automobile, lawng, pawn lama inbiakpawhna emaw damdawi hmanrua emaw ang chi boruak khirh tak takah chuan tui tlemte lakluh hi a corrosion resistance leh hriselna himna nen a inzawm tlat a ni.
Water absorption rate parameter hian field hrang hrangah value hrang hrang a nei a:
electronics leh electrical engineering lamah te, .Tui absorption rate hniam hi thil pawimawh tak pakhat a ni a, chu chuan materials te insulation rintlakna a siam a, short circuit, leakage leh breakdown te a veng thei a, signal integrity a vawng reng thei bawk. Electronics leh electrical engineering lamah chuan tui lakluhna rate hniam hi thil pawimawh tak pakhat a ni a, chu chu thil siamte insulation rintlakna tur a ni a, short circuit, leakage leh breakdown te a veng thei a, signal integrity a vawng reng bawk.
Automotive industry-ah chuan, .Low water absorption hi electronic control unit, sensor, etc. sealing leh venhimna hun rei tak chhunga a thatna tur atana thil pawimawh tak a ni a, chu chu water vapor erosion atanga venhim a ni.
Aerospace field ah chuan ., Special property te hian extreme temperature cycle hnuaia performance stability chu an vawng reng thei a, tui freezing leh thawing emaw vaporization avanga hlawhchhamna an veng thei bawk.
Building sealing field-ah chuan, .He thil neih hian khaw lum leh khaw vawt a do thei a, sealing failure emaw aesthetic problems avanga tui lakluhna tihpun/contraction emaw a veng thei bawk.
damdawi hmanruaah chuan, .He property hian biological stability mamawh a phuhruk thei a, bacteria te a lo than loh nan a veng thei a, hmanrua fai leh himna a tichiang thei bawk.