He thuziak hian missile engine atana thermal insulation cladding-a PTFE hnathawh dan a huam a ni. Mechanism pali: Endothermic decomposition — PTFE hian ~400°C ah tetrafluoroethylene (highly endothermic, ~3,000°C combustion gas exposure) ah a depolymerize a, heat nasa tak a absorb a, wall surface atanga thermal energy a la chhuak thin. Transpiration cooling leh gas film insulation — decomposition gas (tetrafluoroethylene) te chu micro-pores hmangin pawn lamah an lut a, lei chung lumna chu a paih chhuak a flowing gas film hian wall atanga high-temperature combustion gas a isolate a, near-wall heat flux chu >50% in a tihtlem a; gas film hian boundary layer velocity/temperature a siam danglam a, particle erosion a tiziaawm a ni.

He thuziak hian aerospace field-a Teflon high-temperature cloth (PTFE-coated fiberglass fabric) hman dan a huam a ni. A hmanna hmun pawimawh: Composite material siam — autoclave molding-a puan/film chhuah, isolation layer, prepreg siamna atana high-temperature conveyor belt Engine leh temperature sang tak atanga thermal protection — thermal insulation blanket, firewall cladding, temperature sang connection flexible tak tak te Electrical insulation leh wire harness venhimna — engine compartment leh landing gear bay-a cable wrapping; Vanlawng chhung leh kangmei laka invenna — FST standard zawmtu kangmei puan/meikhu laka invenna, thermal/acoustic insulation blanket cladding; Space leh aerospace hmanna — multi-layer insulation (MLI) assembly, solar panel deployment mechanism leh antenna hinge atana anti-cold-weld lubrication liners, thermal control puan.

He article hian sandblasting emaw matt finishing treatment hian PTFE high-temperature cloth surface structure a nghawng dan a zirchiang a ni. Hrilhfiahna hi dimension pathum-ah a awm a: Microscopic morphology chu smooth mirror-like atanga rough gully texture-ah a inthlak a, Ra/Rz value nasa takin a sang a, a hnu lama bonding atan 3D mechanical anchoring structures a siam a ni. Coating integrity hian hlauhawm a hmachhawn a: PTFE layer thinning, fiberglass substrate exposure theihna (non-stick property hloh, moisture penetration, leh mechanical strength tihtlem), microcracks leh debris generation te pawh a awm bawk.

He article hian fiberglass fabric PTFE emulsion hmanga impregnate dan tur basic process kimchang tak a rawn tarlang a ni. Step pawimawh pasarih: 1 Textile sizing agents paih chhuah nan 350-400°C-ah pretreatment (dewaxing/desizing); 2 Emulsion formulation, 40-55% solid content leh surfactants hmanga wetting tihchangtlun nan; 3 Dip-squeeze method emaw doctor blade coating hmanga impregnation; 4 Tui zawi zawiin a vawt a, dry PTFE film siam turin 100-150°C-ah vawt; 5 PTFE particle te chu continuous film-ah a hmin theih nan 360-390°C (400°C thleng)-ah sintering; 6 Multi-cycle impregnation-drying-sintering vawi 2-4 vel tih nawn lehin target thickness leh resin content (45-65%) a thleng a; 7 Post-treatment-ah hian corona treatment, edge trimming, winding leh quality inspection te pawh a tel. Core control points: dewaxing kimchang, emulsion wetting kimchang, a vawt zauh zauh, sintering temperature dik tak, leh coating density inmil. Products te hian high-frequency copper-clad laminates, high-temperature conveyor belt leh architectural membrane materials te an rawn pe a ni.

Jiangsu Aokai atanga he technical brief hian sintering temperature hniam lutuk emaw sang lutuk emaw hian PTFE high-temperature cloth a tihchhiat dan a zirchiang a ni. Sintering hniam chuan particle te chu a hmin lo a, micro-pores, coating-substrate bonding chak lo, rough surface, mechanical strength tha lo, leh milky opaque appearance te a siam thin. Overheating hian PTFE thermal degradation a thlen a, pinholes, bubbles, brittleness, yellow-to-black discoloration, leh toxic fumes a siam chhuak thin. Extreme pahnih hian compactness, non-stick performance, flexibility, insulation, leh dimensional stability te a tichhia a ni.

Calendering – PTFE-coated fabric chu heated mirror rollers inkara 360-380°C-a press hian surface morphology, release property, impermeability, leh mechanical performance te nasa takin a tidanglam a ni. Ra 0.5-1.0 μm atanga <0.05 μm ah roughness a tihhniam a, pinholes a seal a, wear resistance a ti tha a, mahse tear strength leh flexibility a ti tlem thung. Release liners leh electrical insulation atan a pawimawh hle.

PTFE high-temperature fabrics siamtu professional a nih angin Jiangsu Aokai New Materials hian professional insights a pe che a ni. Fiberglass surface treatment tum ber chu inorganic fiberglass leh organic PTFE inkara molecular bridge siam a ni a, chutiang chuan an inherent inc