Detailed Paper physical property lian 11 11 .

1.Quantitative 1000 a ni.

Quantitative weight hriat lar tak, unit area khata paper rit zawng, square meter khata gram-a tarlan a ni. A tlangpuiin basis weight chu 250 g / m2 hnuai lam a ni a, chu chu paper an ti a; Basis weight chu 250 g / m2 aia sang a ni a, chu chu cardboard emaw paperboard emaw an ti a. Quantitative hi paper physical indicator bulpui ber a ni a, a level leh a uniformity a ni a, physical leh printing paper performance zawng zawng a nghawng vek a ni.

2. Thickness leh tightness .

Thickness hian paper thickness℃a tarlang a, chu chuan paper emaw cardboard emaw thickness chu measuring plate pahnih inkar pressure tehna direct-a tehin, mm emaw μm emaw-in a kawk a ni. A tlangpuiin, paper-a opacity-a direct impact thickness chuan opacity thickness a sang zawk a, a tha zawk. Thickness uniformity hi paper atan a pawimawh hle a, unevenness in thickness hian gloss leh whiteness tihtlem a nghawng a, tone leh color reproduction instability a nghawng bawk.

Tightness tih hian paper unit volume rit zawng, density tia hriat bawk chu thickness chhut chhuah chu then atanga chhut a ni.

Tightness chu paper structure density℃physical measure a ni a, paper fiber paper ang chiah a ni a, tightness a sang zawk a, paper chu a dense zawk a, a lehlamah chuan paper loose zawk a ni. Paper tightness chu tensile strength nen a inzat a ni.

3. Tensile chakna leh elongation .

Tensile strength chu standard test methods-in a tarlan condition hnuaia unit width paper emaw cardboard emaw a tihchhiat hmaa operator-in a sustain theih tur maximum pull a ni. Paper chu tension hmanga tihzauh a nih chuan paper chu force lam hawiin a inzawm ang. Pulling force tihpun a nih chuan spline chu a chhuah theih nan, elongation chu a tawp thlengin a thleng a ni. Hetih lai hian elongation sei zawng leh a bul tanna a sei zawng ratio chu elongation an ti a, percentage anga tarlan a ni.

Web printing atan chuan tensile strength leh paper elongation hi a pawimawh hle. Rotary press-a paper roll a nih avangin paper chu tension nasa tak hnuaiah a awm dawn a ni. Tensile strength a tlem lutuk chuan paper chhe tak a siam ang; Tin, elongation a lian lutuk chuan overlay error tihpun nan paper size a thlak ang. Chuvangin, tensile strength sang leh elongation hniam tak nei paper hman hian print laiin paper breakage lo awm tur chu a tikhawlo thei a, a ti tlem thei a, overprint error a ti tlem thei bawk.

4. Endurance folding .

Paper folding endurance tih hian test condition tarlan te a kawk a, specialized equipment-ah chuan sample chu a vawi tam tak a tihchhiat hmain fold theih a ni a, double folding-a tarlan a ni.

Friction resistance hi paper leh paperboard-a mechanical strength awm dan tilangtu pawimawh ber pakhat a ni. Paper chakna leh flexibility tehna kimchang tak a ni. He index hi paper leh board hrang hrang atan a tul a, mahse chanchinbu, bank note, maps paper, book cover paper tan chuan a pawimawh hle a, a chhan chu a dam chhung tihzauh nan folding neih nawn fo a nih avangin, chutiang folding tam tak an neih a ngai a ni.

5. Paper Surface chakna .

Paper-a surface strength tih hian paper fibers, fillers, pigments, etc. te chu paper nen a inzawm a, connection firm solid℃a kawk a, chu chuan paper surface material chakna chu a inzawm khawm a ni.

A tlangpuiin newsprint surface strength a hniam hle a, coated paper surface strength erawh a sang zawk thung. Sam tlakchhamna phenomenon atanga chhuak printing powder-ah a lang fo thin a, paper chunglam chu intensity nen a inzawm tlat bawk. Newspaper printing-ah chuan paper chunglam chu ink film atanga lak chhuah a, ink roller-a dah a ni fo va, chu chuan tum loh taka print product a siam a, spot dum a lang a, falling filler material-a fiber tha tak takte chuan printing plate-a graphic part chu a block ang a, chutiang chuan thlalak print chu a chiang lo zual sauh ang.

6.Smoothness .

SO-smoothness, vacuum℃engemaw zat hnuaiah, boruak volume, pressure engemaw chen, glass chunglam leh hun mamawh inkar a surface area hnuaia sample, second-a tarlan ang chi, a hmunhma sample.

Paper chunglam a smoothness hian printing-ah direct-in nghawng a nei a ni. Smoothness sang tak nei paper chu ink film-in a khuh awlsam chuan, coated paper-a printing effect chu offset paper aiin a tha zawk. Paper smoothness a san chuan, printing dot hman thiam zawk nan, quality sang zawk print siam chhuah a ni. Smoothness nei paper kan dil a, chu chu high-smoothness paper-in a zui a ni. Unit of smoothness chu boruak kal hun a ni. Test principle chu paper chunglamah air pressure fixed air pressure hmangin paper chunglam square inch khat vel hmangin hun chhung zawnga boruak kal dan tur chu chhut a ni. Hun a rei poh leh a smoothness a sang zawk.

7. Hrilhfiahna .

Paper-a absorbency tih hian paper-in tui emaw, solvent emaw a lakluh theihna a kawk a ni. Ink chu ink absorption capacity-ah a awm a, paper-in a luh theihna tur ink chu a sawi theih a ni. Paper-a looseness leh capillary state nen chauh a inzawm lo va, paper fiber-a surface property, filler awm zat, pigment leh rubber compound, ink-a composition leh characteristics te nen pawh a inzawm a, printing method leh printing pressure nen pawh a inzawm bawk.

Paper hi ink transfer tichak turin absorbent a ngai a ni. Mahse, absorbency a sang lutuk chuan ink binders chu paper chhungah a lut nasa lutuk ang a, pigment material chu paper chunglamah a pung khawm ang a, chu chuan film siam a harsa ang a, chu chuan printed product-ah gloss a awm loh bakah ink layer a pulver pawh a ti lo thei ang. A tlangpuiin, absorbency a tam poh leh network expansion a langsar zawk a, absorptivity a chak lutuk a, mahse offset printing ink a thlen bawk a, printed materials quality nasa takin a nghawng a ni.

8. Mihring varna .

Paper whiteness tih hian paper-a whiteness℃a kawk a, wavelength range zawng zawnga hmuh theih êng (visible light)-a a lan chhuah zawng zawng (total reflection) chu uniform reflection a ni. Mihring varte nghawngtu ber chu lignin content leh paper pulp-a bleaching℃te hi a ni. Lignin yellow process avang hian paper chhunga lignin awm zat chu a varna sang tak neia hmuh theih nan a tlem thei ang bera tih a ngai a ni.

Paper a varna hian a print hnuhnung ber colour range-ah nghawng a nei lian zawk a ni. Paper-a a varna a san chuan ink rawng chu a tak tak a ni. Printed product rawng a eng zawk chuan gamut rawng chu a zau zawk a ni. Newsprint paper-a varna chu a tlangpuiin a hniam a, a sen a, offset paper leh coated paper-a varna pawh a sang hle.

9. Opacity .

He feature hian paper sir khata thumal leh thlalak print te a kawk a, a sir lehlamah pawh text emaw thlalak emaw hmanga print a nih laiin, transparent phenomenon angin an lang lo ang. Paper-a opacity ṭha tak chu a sang hle a, chuvângin, lehkhabu aṭanga siam chu chhiartute’n phek chhûnga thu awmte chhiar tûra an rilru an pek theih nân, mit a chau theih nân, dim-in a nghawng laiah chuan a sir lehlamah stamp a ni lo vang. Opacity nghawngtu thilte chu: i. lehkhabu thickness ngei pawh; ii) Glue hman a nih leh nih loh; iii a ni. paper chunglam a smoothness leh roughness te; iv. Test method chu light engzat nge paper chhunga lut tih tehna a ni a, unit chu percentage rate a ni.

10. Glossiness .

Gloss chu reverse incident light capacity-a paper surface leh paper hnaih taka full mirror reverse ability chu mirror reverse rate angle khata paper leh mirror reverse ratio angle khata standard black glass a ni.

Paper mills hian white paper chunglam atanga light reflected zat leh reflectance percentage an teh tlangpui thin. Industry chuan he rate hi hmangin paper chu grade atan an hmang dawn a, hei hi quality sang zawk finished product atana paper rate sang tak a ni. Paper luster, print color chu a lang chiang zawkin a lang. Poster leh magazine thenkhat chuan high- gloss paper hmangin an thuziak leh thlalakte ngaihven hlawh turin an hmang thin a, mahse lehkhabu chu lower-Brightness paper hmanga siam a ni a, chu chuan mit chunga light reflected lutuk a nghawng a tihziaawm theih nan a siam a ni.

A chunga kan sawi atang hian paper property te hi paper print theihna nen a inzawm tih a hriat theih a, chu chu printer zawng zawngin an hre vek a ni. Mahse, printing leh reproduction-a nghawng lian ber zat, print leh reproduction inzawmna a tam zia leh a lian zia chu mi zawng zawngin an hre vek lo. Printing performance-a nghawng a neih zat chu a lian leh te sawina atana hlutna engemaw tak a nih theih chuan, chu thil siam chhuahna kaihruaitu tur printing industry chuan rinhlelh rual lohvin a pui hle ang.

11. Lei chung lama a tangkai dan .

Surface efficiency hi non-optical characteristic a ni a, paper tone reproduction a nghawng a ni.

- Paper lei chunglam a thawk tha (surface efficiency) .

Ink absorption capacity of paper .

- Paper-a thu awmzia (glossiness) a awm.